From 17026ece22afcf33f2a522f83de6c599b6184c67 Mon Sep 17 00:00:00 2001
From: abobrov <abobrov@localhost>
Date: Sun, 02 Sep 2007 13:05:17 +0000
Subject: [PATCH] - [Issue 1481] Ability to set any JE property in config.ldif - [Issue 2031] provide core JE configurable attributes for FileSystemEntryCache - fixes to entry cache config manager for proper configuration, re-configuration, error reporting.

---
 opendj-sdk/opends/src/messages/messages/extension.properties                                       |   29 +-
 opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/FileSystemEntryCacheConfiguration.xml |   35 ++
 opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/JEBackendConfiguration.xml            |   30 ++
 opendj-sdk/opends/src/server/org/opends/server/extensions/FIFOEntryCache.java                      |   40 ++
 opendj-sdk/opends/src/server/org/opends/server/extensions/FileSystemEntryCache.java                |  294 +++++++++++++-------
 opendj-sdk/opends/src/messages/messages/config.properties                                          |   15 +
 opendj-sdk/opends/src/server/org/opends/server/extensions/EntryCacheCommon.java                    |   70 ++++
 opendj-sdk/opends/src/server/org/opends/server/core/EntryCacheConfigManager.java                   |  116 ++++---
 opendj-sdk/opends/src/server/org/opends/server/extensions/SoftReferenceEntryCache.java             |   43 ++
 opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/RootConfiguration.xml                 |    2 
 opendj-sdk/opends/src/server/org/opends/server/backends/jeb/RootContainer.java                     |   46 ++
 opendj-sdk/opends/resource/schema/02-config.ldif                                                   |    8 
 opendj-sdk/opends/src/server/org/opends/server/backends/jeb/ConfigurableEnvironment.java           |  101 +++++++
 13 files changed, 627 insertions(+), 202 deletions(-)

diff --git a/opendj-sdk/opends/resource/schema/02-config.ldif b/opendj-sdk/opends/resource/schema/02-config.ldif
index 9c9b6b9..1f0cb54 100644
--- a/opendj-sdk/opends/resource/schema/02-config.ldif
+++ b/opendj-sdk/opends/resource/schema/02-config.ldif
@@ -1519,6 +1519,9 @@
   NAME 'ds-task-import-clear-backend'
   SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 SINGLE-VALUE
   X-ORIGIN 'OpenDS Directory Server' )
+attributeTypes: ( 1.3.6.1.4.1.26027.1.1.452
+  NAME 'ds-cfg-je-property' SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
+  X-ORIGIN 'OpenDS Directory Server' )
 attributeTypes: ( 1.3.6.1.4.1.26027.1.1.453
   NAME 'ds-task-disconnect-connection-id'
   SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE
@@ -1662,7 +1665,7 @@
   ds-cfg-database-checkpointer-bytes-interval $
   ds-cfg-database-checkpointer-wakeup-interval $
   ds-cfg-database-lock-num-lock-tables $ ds-cfg-database-cleaner-num-threads $
-  ds-cfg-backend-compact-encoding )
+  ds-cfg-backend-compact-encoding $ ds-cfg-je-property )
   X-ORIGIN 'OpenDS Directory Server' )
 objectClasses: ( 1.3.6.1.4.1.26027.1.2.7 NAME 'ds-cfg-je-database'
   SUP top STRUCTURAL MAY ( cn $ ds-cfg-database-cache-percent $
@@ -2180,7 +2183,8 @@
   ds-cfg-max-memory-size $ ds-cfg-lock-timeout $ ds-cfg-exclude-filter $
   ds-cfg-include-filter $ ds-cfg-cache-directory $ ds-cfg-cache-type $
   ds-cfg-persistent-cache $ ds-cfg-backend-compact-encoding $
-  ds-cfg-database-cache-percent $ ds-cfg-database-cache-size )
+  ds-cfg-database-cache-percent $ ds-cfg-database-cache-size $
+  ds-cfg-je-property )
   X-ORIGIN 'OpenDS Directory Server' )
 objectClasses: ( 1.3.6.1.4.1.26027.1.2.114 NAME 'ds-cfg-plugin-root'
   SUP top AUXILIARY MAY ( ds-cfg-plugin-order-startup $
diff --git a/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/FileSystemEntryCacheConfiguration.xml b/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/FileSystemEntryCacheConfiguration.xml
index 8b9e534..6abafcb 100644
--- a/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/FileSystemEntryCacheConfiguration.xml
+++ b/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/FileSystemEntryCacheConfiguration.xml
@@ -290,6 +290,41 @@
     </adm:profile>
   </adm:property>
 
+  <adm:property name="je-property"
+    multi-valued="true">
+    <adm:synopsis>
+      Specifies the environment properties for the Berkeley DB Java
+      Edition database providing the backend for this entry cache.
+    </adm:synopsis>
+    <adm:description>
+      Any Berkeley DB Java Edition property can be specified using the
+      following form: property-name=property-value
+      Refer to OpenDS documentation for further information on related
+      properties, their implications and range values. The definitive
+      identification of all the property parameters available in the
+      example.properties file of Berkeley DB Java Edition distribution.
+    </adm:description>
+    <adm:default-behavior>
+      <adm:defined>
+        <adm:value>je.log.fileMax=10485760</adm:value>
+        <adm:value>je.cleaner.minUtilization=90</adm:value>
+        <adm:value>je.cleaner.maxBatchFiles=1</adm:value>
+        <adm:value>je.cleaner.minAge=1</adm:value>
+        <adm:value>je.cleaner.minFileUtilization=50</adm:value>
+        <adm:value>je.checkpointer.bytesInterval=10485760</adm:value>
+      </adm:defined>
+    </adm:default-behavior>
+    <adm:syntax>
+      <adm:string />
+    </adm:syntax>
+    <adm:profile name="ldap">
+      <ldap:attribute>
+        <ldap:oid>1.3.6.1.4.1.26027.1.1.452</ldap:oid>
+        <ldap:name>ds-cfg-je-property</ldap:name>
+      </ldap:attribute>
+    </adm:profile>
+  </adm:property>
+
   <adm:property-reference name="include-filter"/>
   <adm:property-reference name="exclude-filter"/>
 
diff --git a/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/JEBackendConfiguration.xml b/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/JEBackendConfiguration.xml
index a1922f6..3d0b031 100644
--- a/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/JEBackendConfiguration.xml
+++ b/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/JEBackendConfiguration.xml
@@ -991,4 +991,32 @@
       </ldap:attribute>
     </adm:profile>
   </adm:property>
-</adm:managed-object>
\ No newline at end of file
+  <adm:property name="je-property"
+    mandatory="false"
+    multi-valued="true">
+    <adm:synopsis>
+      Specifies the database and environment properties for the Berkeley DB
+      Java Edition database serving the data for this backend.
+    </adm:synopsis>
+    <adm:description>
+      Any Berkeley DB Java Edition property can be specified using the
+      following form: property-name=property-value
+      Refer to OpenDS documentation for further information on related
+      properties, their implications and range values. The definitive
+      identification of all the property parameters available in the
+      example.properties file of Berkeley DB Java Edition distribution.
+    </adm:description>
+    <adm:default-behavior>
+      <adm:undefined />
+    </adm:default-behavior>
+    <adm:syntax>
+      <adm:string />
+    </adm:syntax>
+    <adm:profile name="ldap">
+      <ldap:attribute>
+        <ldap:oid>1.3.6.1.4.1.26027.1.1.452</ldap:oid>
+        <ldap:name>ds-cfg-je-property</ldap:name>
+      </ldap:attribute>
+    </adm:profile>
+  </adm:property>
+</adm:managed-object>
diff --git a/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/RootConfiguration.xml b/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/RootConfiguration.xml
index c7fcc5e..fb079ae 100644
--- a/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/RootConfiguration.xml
+++ b/opendj-sdk/opends/src/admin/defn/org/opends/server/admin/std/RootConfiguration.xml
@@ -206,7 +206,7 @@
     </adm:profile>
   </adm:relation>
   <adm:relation name="entry-cache">
-    <adm:one-to-one />
+    <adm:one-to-zero-or-one />
     <adm:profile name="ldap">
       <ldap:rdn-sequence>cn=Entry Cache,cn=config</ldap:rdn-sequence>
     </adm:profile>
diff --git a/opendj-sdk/opends/src/messages/messages/config.properties b/opendj-sdk/opends/src/messages/messages/config.properties
index cc0b3ab..ad45acc 100644
--- a/opendj-sdk/opends/src/messages/messages/config.properties
+++ b/opendj-sdk/opends/src/messages/messages/config.properties
@@ -698,7 +698,7 @@
 SEVERE_ERR_CONFIG_ENTRYCACHE_CANNOT_GET_CONFIG_ENTRY_201=An unexpected error \
  occurred while attempting to get the "cn=Entry Cache,cn=config" entry, which \
  holds the entry cache configuration:  %s.  No entry cache will be available
-SEVERE_ERR_CONFIG_ENTRYCACHE_NO_CONFIG_ENTRY_202=The entry cache \
+SEVERE_WARN_CONFIG_ENTRYCACHE_NO_CONFIG_ENTRY_202=The entry cache \
  configuration entry "cn=Entry Cache,cn=config" does not exist in the \
  Directory Server configuration.  No entry cache will be available until this \
  entry is created with a valid entry cache configuration
@@ -2148,3 +2148,16 @@
 SEVERE_WARN_CONFIG_FILE_NO_STARTOK_FILE_703=No last known good configuration \
  file %s exists.  The server will attempt to start using the active \
  configuration file %s
+SEVERE_ERR_CONFIG_JE_PROPERTY_INVALID_704=An error occurred while \
+ trying to parse and validate Berkeley DB JE property %s:  %s
+SEVERE_ERR_CONFIG_JE_PROPERTY_INVALID_FORM_705=An error occurred while \
+ trying to parse and validate Berkeley DB JE property %s: the property \
+ does not follow a singular property=value form
+SEVERE_ERR_CONFIG_JE_PROPERTY_SHADOWS_CONFIG_706=An error occurred while \
+ trying to parse and validate Berkeley DB JE property %s: the property \
+ shadows configuration attribute %s
+SEVERE_ERR_CONFIG_JE_DUPLICATE_PROPERTY_707=An error occurred while \
+ trying to parse and validate Berkeley DB JE property %s: the property \
+ is already defined for this component
+INFO_CONFIG_JE_PROPERTY_REQUIRES_RESTART_708=Setting Berkeley DB JE property \
+ %s will not take effect until the component for which it is set is restarted
diff --git a/opendj-sdk/opends/src/messages/messages/extension.properties b/opendj-sdk/opends/src/messages/messages/extension.properties
index a66515c..e31c424 100644
--- a/opendj-sdk/opends/src/messages/messages/extension.properties
+++ b/opendj-sdk/opends/src/messages/messages/extension.properties
@@ -124,10 +124,8 @@
  while attempting to determine the value of the ds-cfg-exclude-filter \
  attribute in configuration entry %s:  %s.  All entries will be considered \
  eligible for inclusion in the cache
-SEVERE_ERR_FIFOCACHE_INVALID_MAX_MEMORY_PCT_20=The ds-cfg-max-memory-percent \
- attribute of entry %s, which holds the maximum percentage of JVM memory \
- available for use in the entry cache, has an invalid value:  %s.  Its value \
- must be an integer between 1 and 100
+FATAL_ERR_FIFOCACHE_CANNOT_INITIALIZE_20=A fatal error occurred while trying \
+ to initialize fifo entry cache:  %s
 SEVERE_ERR_FIFOCACHE_INVALID_MAX_ENTRIES_21=The ds-cfg-max-entries attribute \
  of entry %s, which specifies the maximum number of entries that may be held \
  in the entry cache, has an invalid value:  %s.  Its value must be a positive \
@@ -973,9 +971,8 @@
  of time in milliseconds that the entry cache should block while attempting to \
  acquire a lock for an entry.  Changes to this configuration attribute will \
  take effect immediately
-SEVERE_ERR_SOFTREFCACHE_CANNOT_DETERMINE_LOCK_TIMEOUT_279=An error occurred \
- while attempting to determine the value of the ds-cfg-lock-timeout attribute \
- in configuration entry %s:  %s.  The default of %d will be used
+FATAL_ERR_SOFTREFCACHE_CANNOT_INITIALIZE_279=A fatal error occurred while \
+ trying to initialize soft reference entry cache:  %s
 INFO_SOFTREFCACHE_DESCRIPTION_INCLUDE_FILTERS_280=Specifies a set of search \
  filters that may be used to indicate which entries should be included in the \
  entry cache.  Entries that do not match at least one of these filters will \
@@ -1581,7 +1578,7 @@
 SEVERE_ERR_FSCACHE_CANNOT_STORE_PERSISTENT_DATA_487=An error occurred while \
  trying to store persistent cache. Persistent cache will be flushed now
 FATAL_ERR_FSCACHE_CANNOT_INITIALIZE_488=A fatal error occurred while trying \
- to initialize file system entry cache. This cache will be disabled now
+ to initialize file system entry cache:  %s
 SEVERE_ERR_FSCACHE_CANNOT_STORE_ENTRY_489=Unable to store new cache entry in \
  the file system entry cache
 SEVERE_ERR_FSCACHE_CANNOT_RETRIEVE_ENTRY_490=Unable to retrieve an existing \
@@ -1592,21 +1589,23 @@
 SEVERE_ERR_FSCACHE_CANNOT_SET_JE_MEMORY_SIZE_492=Internal error occurred \
  while trying to set the entry cache backend internal cache size in bytes. The \
  previous or default value will be used instead
-FATAL_ERR_FSCACHE_HOMELESS_493=A fatal error occurred while trying to setup \
+SEVERE_ERR_FSCACHE_CANNOT_SET_JE_PROPERTIES_493=Internal error occurred \
+ while trying to set the entry cache backend Berkeley DB JE properties:  %s
+FATAL_ERR_FSCACHE_HOMELESS_494=A fatal error occurred while trying to setup \
  file system entry cache home. No suitable path can be found to host the cache \
  home
-SEVERE_WARN_FSCACHE_SET_PERMISSIONS_FAILED_494=Unable to set file permissions \
+SEVERE_WARN_FSCACHE_SET_PERMISSIONS_FAILED_495=Unable to set file permissions \
  for the file system entry cache backend database directory %s
-SEVERE_WARN_FSCACHE_OFFLINE_STATE_FAIL_495=%s backend current offline state \
+SEVERE_WARN_FSCACHE_OFFLINE_STATE_FAIL_496=%s backend current offline state \
  does not match persistent cache last recorded offline state. All cached data \
  for this backend is now discarded
-NOTICE_FSCACHE_RESTORE_PROGRESS_REPORT_496=Restored %d cache entries of %d \
+NOTICE_FSCACHE_RESTORE_PROGRESS_REPORT_497=Restored %d cache entries of %d \
  total persistent cache entries found
-NOTICE_FSCACHE_SAVE_PROGRESS_REPORT_497=Made persistent %d cache entries of %d \
+NOTICE_FSCACHE_SAVE_PROGRESS_REPORT_498=Made persistent %d cache entries of %d \
  total cache entries found
-NOTICE_FSCACHE_INDEX_NOT_FOUND_498=No previous persistent cache state can be \
+NOTICE_FSCACHE_INDEX_NOT_FOUND_499=No previous persistent cache state can be \
  found. Starting with an empty cache
-SEVERE_ERR_FSCACHE_INDEX_IMPAIRED_499=The persistent cache index is \
+SEVERE_ERR_FSCACHE_INDEX_IMPAIRED_500=The persistent cache index is \
  inconsistent or damaged. Persistent cache will be flushed now
 MILD_ERR_ENTRYUUID_VATTR_NOT_SEARCHABLE_501=The %s attribute is not \
  searchable and should not be included in otherwise unindexed search filters
diff --git a/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/ConfigurableEnvironment.java b/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/ConfigurableEnvironment.java
index 68ffafb..caebba9 100644
--- a/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/ConfigurableEnvironment.java
+++ b/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/ConfigurableEnvironment.java
@@ -35,8 +35,11 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.lang.reflect.Method;
+import java.util.HashSet;
+import java.util.SortedSet;
+import java.util.StringTokenizer;
+import org.opends.messages.Message;
 
-import static org.opends.server.loggers.debug.DebugLogger.*;
 import org.opends.server.loggers.debug.DebugTracer;
 import org.opends.server.admin.std.server.JEBackendCfg;
 import org.opends.server.admin.std.meta.JEBackendCfgDefn;
@@ -44,6 +47,9 @@
 import org.opends.server.admin.BooleanPropertyDefinition;
 import org.opends.server.admin.PropertyDefinition;
 
+import static org.opends.server.loggers.debug.DebugLogger.*;
+import static org.opends.messages.ConfigMessages.*;
+
 /**
  * This class maps JE properties to configuration attributes.
  */
@@ -166,6 +172,13 @@
 
 
   /**
+   * The name of the attribute which may specify any native JE properties.
+   */
+  public static final String ATTR_JE_PROPERTY =
+       ConfigConstants.NAME_PREFIX_CFG + "je-property";
+
+
+  /**
    * A map of JE property names to the corresponding configuration attribute.
    */
   private static HashMap<String, String> attrMap =
@@ -391,6 +404,92 @@
       envConfig.setConfigParam(jeProperty, value);
     }
 
+    // See if there are any native JE properties specified in the config
+    // and if so try to parse, evaluate and set them.
+    SortedSet<String> jeProperties = cfg.getJEProperty();
+    try {
+      envConfig = setJEProperties(envConfig, jeProperties, attrMap);
+    } catch (ConfigException e) {
+      throw e;
+    }
+
+    return envConfig;
+  }
+
+
+
+  /**
+   * Parse, validate and set native JE environment properties for
+   * a given environment config.
+   *
+   * @param  envConfig The JE environment config for which to set
+   *                   the properties.
+   * @param  jeProperties The JE environment properties to parse,
+   *                      validate and set.
+   * @param  configAttrMap Component supported JE properties to
+   *                       their configuration attributes map.
+   * @return An environment config instance with given properties
+   *         set.
+   * @throws ConfigException If there is an error while parsing,
+   *         validating and setting any of the properties provided.
+   */
+  public static EnvironmentConfig setJEProperties(EnvironmentConfig envConfig,
+    SortedSet<String> jeProperties, HashMap<String, String> configAttrMap)
+    throws ConfigException
+  {
+    if (jeProperties.isEmpty()) {
+      // return default config.
+      return envConfig;
+    }
+
+    // Set to catch duplicate properties.
+    HashSet<String> uniqueJEProperties = new HashSet<String>();
+
+    // Iterate through the config values associated with a JE property.
+    for (String jeEntry : jeProperties)
+    {
+      StringTokenizer st = new StringTokenizer(jeEntry, "=");
+      if (st.countTokens() == 2) {
+        String jePropertyName = st.nextToken();
+        String jePropertyValue = st.nextToken();
+        // Check if it is a duplicate.
+        if (uniqueJEProperties.contains(jePropertyName)) {
+          Message message = ERR_CONFIG_JE_DUPLICATE_PROPERTY.get(
+              jePropertyName);
+            throw new ConfigException(message);
+        }
+        // Set JE property.
+        try {
+          envConfig.setConfigParam(jePropertyName, jePropertyValue);
+          // This is a special case that JE cannot validate before
+          // actually setting it. Validate it before it gets to JE.
+          if (jePropertyName.equals("java.util.logging.level")) {
+            java.util.logging.Level.parse(jePropertyValue);
+          }
+          // If this property shadows an existing config attribute.
+          if (configAttrMap.containsKey(jePropertyName)) {
+            Message message = ERR_CONFIG_JE_PROPERTY_SHADOWS_CONFIG.get(
+              jePropertyName, attrMap.get(jePropertyName));
+            throw new ConfigException(message);
+          }
+          // Add this property to unique set.
+          uniqueJEProperties.add(jePropertyName);
+        } catch(IllegalArgumentException e) {
+          if (debugEnabled()) {
+            TRACER.debugCaught(DebugLogLevel.ERROR, e);
+          }
+          Message message =
+            ERR_CONFIG_JE_PROPERTY_INVALID.get(
+            jeEntry, e.getMessage());
+          throw new ConfigException(message, e.getCause());
+        }
+      } else {
+        Message message =
+          ERR_CONFIG_JE_PROPERTY_INVALID_FORM.get(jeEntry);
+        throw new ConfigException(message);
+      }
+    }
+
     return envConfig;
   }
 
diff --git a/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/RootContainer.java b/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/RootContainer.java
index 0d17c79..b26a3fc 100644
--- a/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/RootContainer.java
+++ b/opendj-sdk/opends/src/server/org/opends/server/backends/jeb/RootContainer.java
@@ -43,6 +43,12 @@
 import org.opends.server.types.FilePermission;
 import org.opends.server.types.ConfigChangeResult;
 import org.opends.server.types.ResultCode;
+import org.opends.server.api.Backend;
+import org.opends.server.admin.std.server.JEBackendCfg;
+import org.opends.server.admin.server.ConfigurationChangeListener;
+import org.opends.server.core.DirectoryServer;
+import org.opends.server.config.ConfigException;
+
 import static org.opends.server.loggers.ErrorLogger.logError;
 import static org.opends.server.loggers.debug.DebugLogger.*;
 import org.opends.server.loggers.debug.DebugTracer;
@@ -51,14 +57,8 @@
     ERR_CONFIG_BACKEND_MODE_INVALID;
 import static org.opends.messages.ConfigMessages.
     WARN_CONFIG_BACKEND_INSANE_MODE;
-
-import org.opends.server.api.Backend;
-import org.opends.server.admin.std.server.JEBackendCfg;
-import org.opends.server.admin.server.ConfigurationChangeListener;
-import org.opends.server.core.DirectoryServer;
-import org.opends.server.config.ConfigException;
-import static org.opends.server.util.StaticUtils.getFileForPath;
-import org.opends.server.util.StaticUtils;
+import static org.opends.server.util.StaticUtils.*;
+import static org.opends.messages.ConfigMessages.*;
 
 /**
  * Wrapper class for the JE environment. Root container holds all the entry
@@ -780,6 +780,34 @@
         EnvironmentConfig newEnvConfig =
             ConfigurableEnvironment.parseConfigEntry(cfg);
         Map paramsMap = EnvironmentParams.SUPPORTED_PARAMS;
+
+        // Iterate through native JE properties.
+        SortedSet<String> jeProperties = cfg.getJEProperty();
+        for (String jeEntry : jeProperties) {
+          // There is no need to validate properties yet again.
+          StringTokenizer st = new StringTokenizer(jeEntry, "=");
+          if (st.countTokens() == 2) {
+            String jePropertyName = st.nextToken();
+            String jePropertyValue = st.nextToken();
+            ConfigParam param = (ConfigParam) paramsMap.get(jePropertyName);
+            if (!param.isMutable()) {
+              String oldValue = oldEnvConfig.getConfigParam(param.getName());
+              String newValue = jePropertyValue;
+              if (!oldValue.equalsIgnoreCase(newValue)) {
+                adminActionRequired = true;
+                messages.add(INFO_CONFIG_JE_PROPERTY_REQUIRES_RESTART.get(
+                        jePropertyName));
+                if(debugEnabled()) {
+                  TRACER.debugInfo("The change to the following property " +
+                    "will take effect when the component is restarted: " +
+                    jePropertyName);
+                }
+              }
+            }
+          }
+        }
+
+        // Iterate through JE configuration attributes.
         for (Object o : paramsMap.values())
         {
           ConfigParam param = (ConfigParam) o;
@@ -820,7 +848,7 @@
     }
     catch (Exception e)
     {
-      messages.add(Message.raw(StaticUtils.stackTraceToSingleLineString(e)));
+      messages.add(Message.raw(stackTraceToSingleLineString(e)));
       ccr = new ConfigChangeResult(DirectoryServer.getServerErrorResultCode(),
                                    adminActionRequired,
                                    messages);
diff --git a/opendj-sdk/opends/src/server/org/opends/server/core/EntryCacheConfigManager.java b/opendj-sdk/opends/src/server/org/opends/server/core/EntryCacheConfigManager.java
index 24a05d1..da3d563 100644
--- a/opendj-sdk/opends/src/server/org/opends/server/core/EntryCacheConfigManager.java
+++ b/opendj-sdk/opends/src/server/org/opends/server/core/EntryCacheConfigManager.java
@@ -50,18 +50,15 @@
 import org.opends.server.types.DebugLogLevel;
 import org.opends.server.types.InitializationException;
 import org.opends.server.types.ResultCode;
+import org.opends.messages.MessageBuilder;
 
 import static org.opends.server.loggers.debug.DebugLogger.*;
 import static org.opends.server.loggers.ErrorLogger.*;
 import static org.opends.messages.ConfigMessages.*;
-
-import org.opends.messages.MessageBuilder;
 import static org.opends.server.util.StaticUtils.*;
 
 
 
-
-
 /**
  * This class defines a utility that will be used to manage the configuration
  * for the Directory Server entry cache.  Only a single entry cache may be
@@ -152,28 +149,16 @@
 
     // Register as an add and delete listener with the root configuration so we
     // can be notified if any entry cache entry is added or removed.
-    // If entry cache configuration is using a one-to-zero-or-one relation
-    // then uncomment the lines below (see issue #1558).
-    /*
-    // rootConfiguration.addEntryCacheAddListener(this);
-    // rootConfiguration.addEntryCacheDeleteListener(this);
-    */
+    rootConfiguration.addEntryCacheAddListener(this);
+    rootConfiguration.addEntryCacheDeleteListener(this);
 
     // If the entry cache configuration is not present then keep the
     // default entry cache already installed.
-    // If entry cache configuration is using a one-to-zero-or-one relation
-    // then uncomment the lines below (see issue #1558).
-    /*
-    //    if (!rootConfiguration.hasEntryCache())
-    //    {
-    //      logError(
-    //          ErrorLogCategory.CONFIGURATION,
-    //          ErrorLogSeverity.SEVERE_WARNING,
-    //          ERR_CONFIG_ENTRYCACHE_NO_CONFIG_ENTRY
-    //          );
-    //      return;
-    //    }
-    */
+    if (!rootConfiguration.hasEntryCache())
+    {
+      logError(WARN_CONFIG_ENTRYCACHE_NO_CONFIG_ENTRY.get());
+      return;
+    }
 
     // Get the entry cache configuration.
     EntryCacheCfg configuration = rootConfiguration.getEntryCache();
@@ -190,7 +175,7 @@
       String className = configuration.getEntryCacheClass();
       try
       {
-        loadAndInstallEntryCache (className, configuration);
+        loadAndInstallEntryCache (className);
       }
       catch (InitializationException ie)
       {
@@ -211,21 +196,15 @@
     // returned status -- all is fine by default
     boolean status = true;
 
-    if (configuration.isEnabled())
-    {
-      // Get the name of the class and make sure we can instantiate it as an
-      // entry cache.
-      String className = configuration.getEntryCacheClass();
-      try
-      {
-        // Load the class but don't initialize it.
-        loadEntryCache(className, configuration, false);
-      }
-      catch (InitializationException ie)
-      {
-        unacceptableReasons.add(ie.getMessageObject());
-        status = false;
-      }
+    // Get the name of the class and make sure we can instantiate it as an
+    // entry cache.
+    String className = configuration.getEntryCacheClass();
+    try {
+      // Load the class but don't initialize it.
+      loadEntryCache(className, configuration, false);
+    } catch (InitializationException ie) {
+      unacceptableReasons.add(ie.getMessageObject());
+      status = false;
     }
 
     return status;
@@ -279,7 +258,7 @@
     // Instantiate the new class and initalize it.
     try
     {
-      loadAndInstallEntryCache (newClassName, configuration);
+      loadAndInstallEntryCache (newClassName);
     }
     catch (InitializationException ie)
     {
@@ -346,7 +325,7 @@
       String className = configuration.getEntryCacheClass();
       try
       {
-        loadAndInstallEntryCache (className, configuration);
+        loadAndInstallEntryCache (className);
       }
       catch (InitializationException ie)
       {
@@ -368,8 +347,6 @@
       List<Message> unacceptableReasons
       )
   {
-    // NYI
-
     // If we've gotten to this point, then it is acceptable as far as we are
     // concerned.  If it is unacceptable according to the configuration, then
     // the entry cache itself will make that determination.
@@ -417,11 +394,28 @@
    *                                   to initialize the entry cache.
    */
   private void loadAndInstallEntryCache(
-    String        className,
-    EntryCacheCfg configuration
+    String        className
     )
     throws InitializationException
   {
+    EntryCacheCfg configuration;
+
+    // Get the root configuration object.
+    ServerManagementContext managementContext =
+      ServerManagementContext.getInstance();
+    RootCfg rootConfiguration =
+      managementContext.getRootConfiguration();
+
+    // Get the entry cache configuration.
+    try {
+      configuration = rootConfiguration.getEntryCache();
+    } catch (ConfigException ce) {
+      Message message = ERR_CONFIG_ENTRYCACHE_CANNOT_INITIALIZE_CACHE.get(
+        className, (ce.getCause() != null ? ce.getCause().getMessage() :
+          stackTraceToSingleLineString(ce)));
+      throw new InitializationException(message, ce);
+    }
+
     // Load the entry cache class...
     EntryCache entryCache = loadEntryCache (className, configuration, true);
 
@@ -464,7 +458,14 @@
       definition = EntryCacheCfgDefn.getInstance();
       propertyDefinition = definition.getEntryCacheClassPropertyDefinition();
       cacheClass = propertyDefinition.loadClass(className, EntryCache.class);
-      cache = (EntryCache<? extends EntryCacheCfg>) cacheClass.newInstance();
+
+      // If there is some entry cache instance already initialized work with
+      // it instead of creating a new one unless explicit init is requested.
+      if (initialize || (_entryCache == null)) {
+        cache = (EntryCache<? extends EntryCacheCfg>) cacheClass.newInstance();
+      } else {
+        cache = (EntryCache<? extends EntryCacheCfg>) _entryCache;
+      }
 
       if (initialize)
       {
@@ -474,7 +475,10 @@
             );
         method.invoke(cache, configuration);
       }
-      else
+      // This will check if configuration is acceptable on disabled
+      // and uninitialized cache instance that has no "acceptable"
+      // change listener registered to invoke and verify on its own.
+      else if (!configuration.isEnabled())
       {
         Method method = cache.getClass().getMethod("isConfigurationAcceptable",
                                                    EntryCacheCfg.class,
@@ -507,9 +511,23 @@
     }
     catch (Exception e)
     {
+      if (debugEnabled()) {
+        TRACER.debugCaught(DebugLogLevel.ERROR, e);
+      }
+
+      if (!initialize) {
+        if (e instanceof InitializationException) {
+          throw (InitializationException) e;
+        } else {
+          Message message = ERR_CONFIG_ENTRYCACHE_CONFIG_NOT_ACCEPTABLE.get(
+            String.valueOf(configuration.dn()), e.getCause() != null ?
+              e.getCause().getMessage() : stackTraceToSingleLineString(e));
+          throw new InitializationException(message);
+        }
+      }
       Message message = ERR_CONFIG_ENTRYCACHE_CANNOT_INITIALIZE_CACHE.get(
-          className,
-          String.valueOf(configuration.dn()));
+        className, (e.getCause() != null ? e.getCause().getMessage() :
+          stackTraceToSingleLineString(e)));
       throw new InitializationException(message, e);
     }
   }
diff --git a/opendj-sdk/opends/src/server/org/opends/server/extensions/EntryCacheCommon.java b/opendj-sdk/opends/src/server/org/opends/server/extensions/EntryCacheCommon.java
index 40caf11..e7641c3 100644
--- a/opendj-sdk/opends/src/server/org/opends/server/extensions/EntryCacheCommon.java
+++ b/opendj-sdk/opends/src/server/org/opends/server/extensions/EntryCacheCommon.java
@@ -95,6 +95,10 @@
     // or PHASE_APPLY.
     private boolean _isAcceptable;
 
+    // Indicates whether administrative action is required or not. Used when
+    // _configPhase is PHASE_APPLY.
+    private boolean _isAdminActionRequired;
+
     /**
      * Create an error handler.
      *
@@ -111,11 +115,12 @@
         ArrayList<Message>            errorMessages
         )
     {
-      _configPhase         = configPhase;
-      _unacceptableReasons = unacceptableReasons;
-      _errorMessages       = errorMessages;
-      _resultCode          = ResultCode.SUCCESS;
-      _isAcceptable        = true;
+      _configPhase           = configPhase;
+      _unacceptableReasons   = unacceptableReasons;
+      _errorMessages         = errorMessages;
+      _resultCode            = ResultCode.SUCCESS;
+      _isAcceptable          = true;
+      _isAdminActionRequired = false;
     }
 
     /**
@@ -135,6 +140,49 @@
       {
       case PHASE_INIT:
         {
+        _errorMessages.add (error);
+        _isAcceptable = isAcceptable;
+        break;
+        }
+      case PHASE_ACCEPTABLE:
+        {
+        _unacceptableReasons.add (error);
+        _isAcceptable = isAcceptable;
+        break;
+        }
+      case PHASE_APPLY:
+        {
+        _errorMessages.add (error);
+        _isAcceptable = isAcceptable;
+        if (_resultCode == ResultCode.SUCCESS)
+        {
+          _resultCode = resultCode;
+        }
+        break;
+        }
+      }
+    }
+
+    /**
+     * Report an error.
+     *
+     * @param error        the error to report
+     * @param isAcceptable <code>true</code> if the configuration is acceptable
+     * @param resultCode   the change result for the current configuration
+     * @param isAdminActionRequired <code>true</code> if administrative action
+     *                              is required or <code>false</code> otherwise
+     */
+    public void reportError(
+            Message error,
+            boolean isAcceptable,
+            ResultCode resultCode,
+            boolean isAdminActionRequired
+    )
+    {
+      switch (_configPhase)
+      {
+      case PHASE_INIT:
+        {
         logError (error);
         break;
         }
@@ -152,6 +200,7 @@
         {
           _resultCode = resultCode;
         }
+        _isAdminActionRequired = isAdminActionRequired;
         break;
         }
       }
@@ -212,6 +261,17 @@
     {
       return _configPhase;
     }
+
+    /**
+     * Get the current isAdminActionRequired flag as determined after apply
+     * action has been taken on a given configuration.
+     *
+     * @return the isAdminActionRequired flag
+     */
+    public boolean getIsAdminActionRequired()
+    {
+      return _isAdminActionRequired;
+    }
   } // ConfigErrorHandler
 
 
diff --git a/opendj-sdk/opends/src/server/org/opends/server/extensions/FIFOEntryCache.java b/opendj-sdk/opends/src/server/org/opends/server/extensions/FIFOEntryCache.java
index f602d14..dd9cd90 100644
--- a/opendj-sdk/opends/src/server/org/opends/server/extensions/FIFOEntryCache.java
+++ b/opendj-sdk/opends/src/server/org/opends/server/extensions/FIFOEntryCache.java
@@ -58,10 +58,10 @@
 import org.opends.server.types.ResultCode;
 import org.opends.server.types.SearchFilter;
 import org.opends.server.util.ServerConstants;
+import org.opends.messages.MessageBuilder;
 
 import static org.opends.server.loggers.debug.DebugLogger.*;
 import static org.opends.messages.ExtensionMessages.*;
-
 import static org.opends.server.util.ServerConstants.*;
 
 
@@ -142,6 +142,9 @@
   // The maximum number of entries that may be held in the cache.
   private long maxEntries;
 
+  // Currently registered configuration object.
+  private FIFOEntryCacheCfg registeredConfiguration;
+
 
 
   static
@@ -175,6 +178,7 @@
       )
       throws ConfigException, InitializationException
   {
+    registeredConfiguration = configuration;
     configuration.addFIFOChangeListener (this);
     configEntryDN = configuration.dn();
 
@@ -186,11 +190,24 @@
 
     // Read configuration and apply changes.
     boolean applyChanges = true;
+    ArrayList<Message> errorMessages = new ArrayList<Message>();
     EntryCacheCommon.ConfigErrorHandler errorHandler =
       EntryCacheCommon.getConfigErrorHandler (
-          EntryCacheCommon.ConfigPhase.PHASE_INIT, null, null
+          EntryCacheCommon.ConfigPhase.PHASE_INIT, null, errorMessages
           );
-    processEntryCacheConfig (configuration, applyChanges, errorHandler);
+    if (!processEntryCacheConfig(configuration, applyChanges, errorHandler)) {
+      MessageBuilder buffer = new MessageBuilder();
+      if (!errorMessages.isEmpty()) {
+        Iterator<Message> iterator = errorMessages.iterator();
+        buffer.append(iterator.next());
+        while (iterator.hasNext()) {
+          buffer.append(".  ");
+          buffer.append(iterator.next());
+        }
+      }
+      Message message = ERR_FIFOCACHE_CANNOT_INITIALIZE.get(buffer.toString());
+      throw new ConfigException(message);
+    }
   }
 
 
@@ -200,9 +217,11 @@
    */
   public void finalizeEntryCache()
   {
-    // Release all memory currently in use by this cache.
     cacheLock.lock();
 
+    registeredConfiguration.removeFIFOChangeListener (this);
+
+    // Release all memory currently in use by this cache.
     try
     {
       idMap.clear();
@@ -911,10 +930,13 @@
       EntryCacheCommon.getConfigErrorHandler (
           EntryCacheCommon.ConfigPhase.PHASE_APPLY, null, errorMessages
           );
-    processEntryCacheConfig (configuration, applyChanges, errorHandler);
 
+    // Do not apply changes unless this cache is enabled.
+    if (configuration.isEnabled()) {
+      processEntryCacheConfig (configuration, applyChanges, errorHandler);
+    }
 
-    boolean adminActionRequired = false;
+    boolean adminActionRequired = errorHandler.getIsAdminActionRequired();
     ConfigChangeResult changeResult = new ConfigChangeResult(
         errorHandler.getResultCode(),
         adminActionRequired,
@@ -1007,8 +1029,8 @@
    * @param applyChanges   If true then take into account the new configuration.
    * @param errorHandler   An handler used to report errors.
    *
-   * @return  The mapping between strings of character set values and the
-   *          minimum number of characters required from those sets.
+   * @return  <CODE>true</CODE> if configuration is acceptable,
+   *          or <CODE>false</CODE> otherwise.
    */
   public boolean processEntryCacheConfig(
       FIFOEntryCacheCfg                   configuration,
@@ -1083,6 +1105,8 @@
       setLockTimeout(newLockTimeout);
       setIncludeFilters(newIncludeFilters);
       setExcludeFilters(newExcludeFilters);
+
+      registeredConfiguration = configuration;
     }
 
     return errorHandler.getIsAcceptable();
diff --git a/opendj-sdk/opends/src/server/org/opends/server/extensions/FileSystemEntryCache.java b/opendj-sdk/opends/src/server/org/opends/server/extensions/FileSystemEntryCache.java
index f23d61f..3f92627 100644
--- a/opendj-sdk/opends/src/server/org/opends/server/extensions/FileSystemEntryCache.java
+++ b/opendj-sdk/opends/src/server/org/opends/server/extensions/FileSystemEntryCache.java
@@ -29,11 +29,14 @@
 
 import java.util.ArrayList;
 import java.util.HashSet;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
+import java.util.SortedSet;
+import java.util.StringTokenizer;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
@@ -54,19 +57,21 @@
 import com.sleepycat.je.LockMode;
 import com.sleepycat.je.OperationStatus;
 import com.sleepycat.je.StatsConfig;
+import com.sleepycat.je.config.ConfigParam;
+import com.sleepycat.je.config.EnvironmentParams;
+import org.opends.messages.MessageBuilder;
 import org.opends.server.api.Backend;
 import org.opends.server.api.EntryCache;
 import org.opends.server.admin.std.server.EntryCacheCfg;
 import org.opends.server.admin.std.server.FileSystemEntryCacheCfg;
 import org.opends.server.admin.server.ConfigurationChangeListener;
+import org.opends.server.backends.jeb.ConfigurableEnvironment;
 import org.opends.server.config.ConfigException;
 import org.opends.server.core.DirectoryServer;
 import org.opends.server.types.ConfigChangeResult;
 import org.opends.server.types.DN;
 import org.opends.server.types.Entry;
 import org.opends.server.types.EntryEncodeConfig;
-
-
 import org.opends.server.types.InitializationException;
 import org.opends.server.types.ResultCode;
 import org.opends.server.types.SearchFilter;
@@ -75,12 +80,13 @@
 import org.opends.server.types.OpenDsException;
 import org.opends.server.loggers.debug.DebugTracer;
 import org.opends.server.util.ServerConstants;
+
 import static org.opends.server.loggers.debug.DebugLogger.*;
 import static org.opends.server.loggers.ErrorLogger.logError;
 import static org.opends.server.config.ConfigConstants.*;
 import static org.opends.messages.ExtensionMessages.*;
-
 import static org.opends.server.util.StaticUtils.*;
+import static org.opends.messages.ConfigMessages.*;
 
 /**
  * This class defines a Directory Server entry cache that uses JE database to
@@ -193,16 +199,6 @@
   private static final String INDEXCLASSDBNAME = "IndexClassDB";
   private static final String INDEXKEY = "EntryCacheIndex";
 
-  // JE config constants.
-  // TODO: All hardcoded for now but we need to use a common
-  // ds-cfg-je-property like multi-valued attribute for this, see Issue 1481.
-  private static final Long JEBYTESINTERVAL = 10485760L;
-  private static final Long JELOGFILEMAX = 10485760L;
-  private static final Integer JEMINFILEUTILIZATION = 50;
-  private static final Integer JEMINUTILIZATION = 90;
-  private static final Integer JEMAXBATCHFILES = 1;
-  private static final Integer JEMINAGE = 1;
-
   // The number of milliseconds between persistent state save/restore
   // progress reports.
   private long progressInterval = 5000;
@@ -215,11 +211,26 @@
   private EntryEncodeConfig encodeConfig =
     new EntryEncodeConfig(true, false, false);
 
+  // JE native properties to configuration attributes map.
+  private HashMap<String, String> configAttrMap =
+    new HashMap<String, String>();
+
+  // Currently registered configuration object.
+  private FileSystemEntryCacheCfg registeredConfiguration;
+
   /**
    * Creates a new instance of this entry cache.
    */
   public FileSystemEntryCache() {
     super();
+
+    // Register all JE native properties that map to
+    // corresponding config attributes.
+    configAttrMap.put("je.maxMemoryPercent",
+      ConfigurableEnvironment.ATTR_DATABASE_CACHE_PERCENT);
+    configAttrMap.put("je.maxMemory",
+      ConfigurableEnvironment.ATTR_DATABASE_CACHE_SIZE);
+
     // All initialization should be performed in the initializeEntryCache.
   }
 
@@ -229,16 +240,30 @@
   public void initializeEntryCache(FileSystemEntryCacheCfg configuration)
           throws ConfigException, InitializationException {
 
+    registeredConfiguration = configuration;
     configuration.addFileSystemChangeListener (this);
     configEntryDN = configuration.dn();
 
     // Read and apply configuration.
     boolean applyChanges = true;
+    ArrayList<Message> errorMessages = new ArrayList<Message>();
     EntryCacheCommon.ConfigErrorHandler errorHandler =
       EntryCacheCommon.getConfigErrorHandler (
-          EntryCacheCommon.ConfigPhase.PHASE_INIT, null, null
+          EntryCacheCommon.ConfigPhase.PHASE_INIT, null, errorMessages
           );
-    processEntryCacheConfig(configuration, applyChanges, errorHandler);
+    if (!processEntryCacheConfig(configuration, applyChanges, errorHandler)) {
+      MessageBuilder buffer = new MessageBuilder();
+      if (!errorMessages.isEmpty()) {
+        Iterator<Message> iterator = errorMessages.iterator();
+        buffer.append(iterator.next());
+        while (iterator.hasNext()) {
+          buffer.append(".  ");
+          buffer.append(iterator.next());
+        }
+      }
+      Message message = ERR_FSCACHE_CANNOT_INITIALIZE.get(buffer.toString());
+      throw new ConfigException(message);
+    }
 
     // Set the cache type.
     if (cacheType.equalsIgnoreCase("LRU")) {
@@ -273,9 +298,6 @@
         TRACER.debugCaught(DebugLogLevel.ERROR, e);
       }
 
-      // Log an error message.
-      logError(ERR_FSCACHE_HOMELESS.get());
-
       // Not having any home directory for the cache db environment is a
       // fatal error as we are unable to continue any further without it.
       Message message =
@@ -283,65 +305,10 @@
       throw new InitializationException(message, e);
     }
 
-    // Open JE environment and cache database.
+    // Configure and open JE environment and cache database.
     try {
-      entryCacheEnvConfig = new EnvironmentConfig();
-
-      // All these environment properties are cranked up to their extreme
-      // values, either max or min, to get the smallest space consumption,
-      // which turns into memory consumption for memory based filesystems,
-      // possible. This will negate the performance somewhat but preserves
-      // the memory to a much greater extent.
-      //
-      // TODO: All these options should be configurable, see Issue 1481.
-      //
-      entryCacheEnvConfig.setConfigParam("je.log.fileMax",
-          JELOGFILEMAX.toString());
-      entryCacheEnvConfig.setConfigParam("je.cleaner.minUtilization",
-          JEMINUTILIZATION.toString());
-      entryCacheEnvConfig.setConfigParam("je.cleaner.maxBatchFiles",
-          JEMAXBATCHFILES.toString());
-      entryCacheEnvConfig.setConfigParam("je.cleaner.minAge",
-          JEMINAGE.toString());
-      entryCacheEnvConfig.setConfigParam("je.cleaner.minFileUtilization",
-          JEMINFILEUTILIZATION.toString());
-      entryCacheEnvConfig.setConfigParam("je.checkpointer.bytesInterval",
-          JEBYTESINTERVAL.toString());
-
       entryCacheEnvConfig.setAllowCreate(true);
       entryCacheEnv = new Environment(new File(cacheHome), entryCacheEnvConfig);
-
-      // Set JE cache percent and size where the size value will prevail if set.
-      entryCacheEnvMutableConfig = new EnvironmentMutableConfig();
-      if (jeCachePercent != 0) {
-        try {
-          entryCacheEnvMutableConfig.setCachePercent(jeCachePercent);
-        } catch (IllegalArgumentException e) {
-          if (debugEnabled()) {
-            TRACER.debugCaught(DebugLogLevel.ERROR, e);
-          }
-
-          // Its safe to ignore and continue here, JE will use its default
-          // value for this however we have to let the user know about it
-          // so just log an error message.
-          logError(ERR_FSCACHE_CANNOT_SET_JE_MEMORY_PCT.get());
-        }
-      }
-      if (jeCacheSize != 0) {
-        try {
-          entryCacheEnvMutableConfig.setCacheSize(jeCacheSize);
-        } catch (IllegalArgumentException e) {
-          if (debugEnabled()) {
-            TRACER.debugCaught(DebugLogLevel.ERROR, e);
-          }
-
-          // Its safe to ignore and continue here, JE will use its default
-          // value for this however we have to let the user know about it
-          // so just log an error message.
-          logError(ERR_FSCACHE_CANNOT_SET_JE_MEMORY_SIZE.get());
-        }
-      }
-
       entryCacheEnv.setMutableConfig(entryCacheEnvMutableConfig);
       entryCacheDBConfig = new DatabaseConfig();
       entryCacheDBConfig.setAllowCreate(true);
@@ -513,7 +480,9 @@
       }
 
       Message message =
-          ERR_FSCACHE_CANNOT_INITIALIZE.get();
+          ERR_FSCACHE_CANNOT_INITIALIZE.get(
+          (e.getCause() != null ? e.getCause().getMessage() :
+            stackTraceToSingleLineString(e)));
       throw new InitializationException(message, e);
     }
 
@@ -526,6 +495,8 @@
 
     cacheWriteLock.lock();
 
+    registeredConfiguration.removeFileSystemChangeListener (this);
+
     // Store index/maps in case of persistent cache. Since the cache database
     // already exist at this point all we have to do is to serialize cache
     // index maps @see FileSystemEntryCacheIndex and put them under indexkey
@@ -1076,10 +1047,13 @@
       EntryCacheCommon.getConfigErrorHandler (
           EntryCacheCommon.ConfigPhase.PHASE_APPLY, null, errorMessages
           );
-    processEntryCacheConfig (configuration, applyChanges, errorHandler);
 
+    // Do not apply changes unless this cache is enabled.
+    if (configuration.isEnabled()) {
+      processEntryCacheConfig (configuration, applyChanges, errorHandler);
+    }
 
-    boolean adminActionRequired = false;
+    boolean adminActionRequired = errorHandler.getIsAdminActionRequired();
     ConfigChangeResult changeResult = new ConfigChangeResult(
         errorHandler.getResultCode(),
         adminActionRequired,
@@ -1188,8 +1162,8 @@
    * @param applyChanges   If true then take into account the new configuration.
    * @param errorHandler   An handler used to report errors.
    *
-   * @return  The mapping between strings of character set values and the
-   *          minimum number of characters required from those sets.
+   * @return  <CODE>true</CODE> if configuration is acceptable,
+   *          or <CODE>false</CODE> otherwise.
    */
   public boolean processEntryCacheConfig(
       FileSystemEntryCacheCfg             configuration,
@@ -1198,18 +1172,24 @@
       )
   {
     // Local variables to read configuration.
-    DN                    newConfigEntryDN;
-    long                  newLockTimeout;
-    long                  newMaxEntries;
-    long                  newMaxAllowedMemory;
-    HashSet<SearchFilter> newIncludeFilters = null;
-    HashSet<SearchFilter> newExcludeFilters = null;
-    int                   newJECachePercent;
-    long                  newJECacheSize;
-    boolean               newPersistentCache;
-    boolean               newCompactEncoding;
-    String                newCacheType = DEFAULT_FSCACHE_TYPE;
-    String                newCacheHome = DEFAULT_FSCACHE_HOME;
+    DN                       newConfigEntryDN;
+    long                     newLockTimeout;
+    long                     newMaxEntries;
+    long                     newMaxAllowedMemory;
+    HashSet<SearchFilter>    newIncludeFilters = null;
+    HashSet<SearchFilter>    newExcludeFilters = null;
+    int                      newJECachePercent;
+    long                     newJECacheSize;
+    boolean                  newPersistentCache;
+    boolean                  newCompactEncoding;
+    String                   newCacheType = DEFAULT_FSCACHE_TYPE;
+    String                   newCacheHome = DEFAULT_FSCACHE_HOME;
+    SortedSet<String>        newJEProperties;
+
+    EnvironmentMutableConfig newMutableEnvConfig =
+      new EnvironmentMutableConfig();
+    EnvironmentConfig        newEnvConfig =
+      new EnvironmentConfig();
 
     // Read configuration.
     newConfigEntryDN = configuration.dn();
@@ -1237,6 +1217,9 @@
     // Check if this cache should use compact encoding.
     newCompactEncoding = configuration.isBackendCompactEncoding();
 
+    // Get native JE properties.
+    newJEProperties = configuration.getJEProperty();
+
     switch (errorHandler.getConfigPhase())
     {
     case PHASE_INIT:
@@ -1260,6 +1243,45 @@
           errorHandler,
           configEntryDN
           );
+      // JE configuration properties.
+      try {
+        newMutableEnvConfig.setCachePercent((newJECachePercent != 0 ?
+          newJECachePercent :
+          EnvironmentConfig.DEFAULT.getCachePercent()));
+      } catch (Exception e) {
+        if (debugEnabled()) {
+          TRACER.debugCaught(DebugLogLevel.ERROR, e);
+        }
+        errorHandler.reportError(
+          ERR_FSCACHE_CANNOT_SET_JE_MEMORY_PCT.get(),
+          false,
+          DirectoryServer.getServerErrorResultCode()
+          );
+      }
+      try {
+        newMutableEnvConfig.setCacheSize(newJECacheSize);
+      } catch (Exception e) {
+        if (debugEnabled()) {
+          TRACER.debugCaught(DebugLogLevel.ERROR, e);
+        }
+        errorHandler.reportError(
+          ERR_FSCACHE_CANNOT_SET_JE_MEMORY_SIZE.get(),
+          false,
+          DirectoryServer.getServerErrorResultCode()
+          );
+      }
+      // JE native properties.
+      try {
+        newEnvConfig = ConfigurableEnvironment.setJEProperties(
+          newEnvConfig, newJEProperties, configAttrMap);
+      } catch (Exception e) {
+        if (debugEnabled()) {
+          TRACER.debugCaught(DebugLogLevel.ERROR, e);
+        }
+        errorHandler.reportError(
+          ERR_FSCACHE_CANNOT_SET_JE_PROPERTIES.get(e.getMessage()),
+          false, DirectoryServer.getServerErrorResultCode());
+      }
       break;
     case PHASE_ACCEPTABLE:  // acceptable and apply are using the same
     case PHASE_APPLY:       // error ID codes
@@ -1277,6 +1299,54 @@
           errorHandler,
           configEntryDN
           );
+      // Iterate through native JE properties.
+      try {
+        Map paramsMap = EnvironmentParams.SUPPORTED_PARAMS;
+        // If this entry cache is disabled then there is no open JE
+        // environment to check against, skip mutable check if so.
+        if (configuration.isEnabled()) {
+          newMutableEnvConfig =
+            ConfigurableEnvironment.setJEProperties(
+            entryCacheEnv.getConfig(), newJEProperties, configAttrMap);
+          EnvironmentConfig oldEnvConfig = entryCacheEnv.getConfig();
+          for (String jeEntry : newJEProperties) {
+            // There is no need to validate properties yet again.
+            StringTokenizer st = new StringTokenizer(jeEntry, "=");
+            if (st.countTokens() == 2) {
+              String jePropertyName = st.nextToken();
+              String jePropertyValue = st.nextToken();
+              ConfigParam param = (ConfigParam) paramsMap.get(jePropertyName);
+              if (!param.isMutable()) {
+                String oldValue = oldEnvConfig.getConfigParam(param.getName());
+                String newValue = jePropertyValue;
+                if (!oldValue.equalsIgnoreCase(newValue)) {
+                  Message message =
+                    INFO_CONFIG_JE_PROPERTY_REQUIRES_RESTART.get(
+                    jePropertyName);
+                  errorHandler.reportError(message, true, ResultCode.SUCCESS,
+                    true);
+                  if (debugEnabled()) {
+                    TRACER.debugInfo("The change to the following property " +
+                      "will take effect when the component is restarted: " +
+                      jePropertyName);
+                  }
+                }
+              }
+            }
+          }
+        } else {
+          newMutableEnvConfig =
+            ConfigurableEnvironment.setJEProperties(
+            new EnvironmentConfig(), newJEProperties, configAttrMap);
+        }
+      } catch (ConfigException ce) {
+        errorHandler.reportError(ce.getMessageObject(),
+          false, DirectoryServer.getServerErrorResultCode());
+      } catch (Exception e) {
+        errorHandler.reportError(
+          Message.raw(stackTraceToSingleLineString(e)),
+          false, DirectoryServer.getServerErrorResultCode());
+      }
       break;
     }
 
@@ -1284,19 +1354,19 @@
     {
       switch (errorHandler.getConfigPhase()) {
       case PHASE_INIT:
-        cacheType      = newCacheType;
-        cacheHome      = newCacheHome;
-        jeCachePercent = newJECachePercent;
-        jeCacheSize    = newJECacheSize;
+        cacheType = newCacheType;
+        cacheHome = newCacheHome;
+        entryCacheEnvConfig = newEnvConfig;
+        entryCacheEnvMutableConfig = newMutableEnvConfig;
         break;
       case PHASE_APPLY:
-        jeCachePercent = newJECachePercent;
         try {
-            EnvironmentMutableConfig envConfig =
+            newMutableEnvConfig =
               entryCacheEnv.getMutableConfig();
-            envConfig.setCachePercent((jeCachePercent != 0 ? jeCachePercent :
+            newMutableEnvConfig.setCachePercent((newJECachePercent != 0 ?
+              newJECachePercent :
               EnvironmentConfig.DEFAULT.getCachePercent()));
-            entryCacheEnv.setMutableConfig(envConfig);
+            entryCacheEnv.setMutableConfig(newMutableEnvConfig);
             entryCacheEnv.evictMemory();
         } catch (Exception e) {
             if (debugEnabled()) {
@@ -1308,12 +1378,11 @@
               DirectoryServer.getServerErrorResultCode()
               );
         }
-        jeCacheSize = newJECacheSize;
         try {
-            EnvironmentMutableConfig envConfig =
+            newMutableEnvConfig =
               entryCacheEnv.getMutableConfig();
-            envConfig.setCacheSize(jeCacheSize);
-            entryCacheEnv.setMutableConfig(envConfig);
+            newMutableEnvConfig.setCacheSize(newJECacheSize);
+            entryCacheEnv.setMutableConfig(newMutableEnvConfig);
             entryCacheEnv.evictMemory();
         } catch (Exception e) {
             if (debugEnabled()) {
@@ -1325,6 +1394,23 @@
               DirectoryServer.getServerErrorResultCode()
               );
         }
+        try {
+          EnvironmentConfig oldEnvConfig = entryCacheEnv.getConfig();
+          newEnvConfig = ConfigurableEnvironment.setJEProperties(
+            oldEnvConfig, newJEProperties, configAttrMap);
+          // This takes care of changes to the JE environment for those
+          // properties that are mutable at runtime.
+          entryCacheEnv.setMutableConfig(newEnvConfig);
+        } catch (Exception e) {
+          if (debugEnabled()) {
+              TRACER.debugCaught(DebugLogLevel.ERROR, e);
+            }
+            errorHandler.reportError(
+              ERR_FSCACHE_CANNOT_SET_JE_PROPERTIES.get(e.getMessage()),
+              false,
+              DirectoryServer.getServerErrorResultCode()
+              );
+        }
         break;
       }
 
@@ -1339,6 +1425,8 @@
       setLockTimeout(newLockTimeout);
       setIncludeFilters(newIncludeFilters);
       setExcludeFilters(newExcludeFilters);
+
+      registeredConfiguration = configuration;
     }
 
     return errorHandler.getIsAcceptable();
diff --git a/opendj-sdk/opends/src/server/org/opends/server/extensions/SoftReferenceEntryCache.java b/opendj-sdk/opends/src/server/org/opends/server/extensions/SoftReferenceEntryCache.java
index 82974fc..d517506 100644
--- a/opendj-sdk/opends/src/server/org/opends/server/extensions/SoftReferenceEntryCache.java
+++ b/opendj-sdk/opends/src/server/org/opends/server/extensions/SoftReferenceEntryCache.java
@@ -33,9 +33,11 @@
 import java.lang.ref.SoftReference;
 import java.util.ArrayList;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
+import org.opends.messages.MessageBuilder;
 
 import org.opends.server.admin.server.ConfigurationChangeListener;
 import org.opends.server.admin.std.server.EntryCacheCfg;
@@ -58,7 +60,6 @@
 
 import static org.opends.server.loggers.debug.DebugLogger.*;
 import static org.opends.messages.ExtensionMessages.*;
-
 import static org.opends.server.util.ServerConstants.*;
 
 
@@ -100,10 +101,15 @@
   // reference is freed.
   private ReferenceQueue<CacheEntry> referenceQueue;
 
+  // Currently registered configuration object.
+  private SoftReferenceEntryCacheCfg registeredConfiguration;
+
   private Thread cleanerThread;
 
   private volatile boolean shutdown = false;
 
+
+
   static
   {
     timeUnits.put(TIME_UNIT_MILLISECONDS_ABBR, 1D);
@@ -148,6 +154,7 @@
       )
       throws ConfigException, InitializationException
   {
+    registeredConfiguration = configuration;
     configuration.addSoftReferenceChangeListener (this);
     configEntryDN = configuration.dn();
 
@@ -156,11 +163,25 @@
 
     // Read configuration and apply changes.
     boolean applyChanges = true;
+    ArrayList<Message> errorMessages = new ArrayList<Message>();
     EntryCacheCommon.ConfigErrorHandler errorHandler =
       EntryCacheCommon.getConfigErrorHandler (
-          EntryCacheCommon.ConfigPhase.PHASE_INIT, null, null
+          EntryCacheCommon.ConfigPhase.PHASE_INIT, null, errorMessages
           );
-    processEntryCacheConfig (configuration, applyChanges, errorHandler);
+    if (!processEntryCacheConfig(configuration, applyChanges, errorHandler)) {
+      MessageBuilder buffer = new MessageBuilder();
+      if (!errorMessages.isEmpty()) {
+        Iterator<Message> iterator = errorMessages.iterator();
+        buffer.append(iterator.next());
+        while (iterator.hasNext()) {
+          buffer.append(".  ");
+          buffer.append(iterator.next());
+        }
+      }
+      Message message = ERR_SOFTREFCACHE_CANNOT_INITIALIZE.get(
+        buffer.toString());
+      throw new ConfigException(message);
+    }
   }
 
 
@@ -170,7 +191,10 @@
    */
   public synchronized void finalizeEntryCache()
   {
+    registeredConfiguration.removeSoftReferenceChangeListener (this);
+
     shutdown = true;
+
     dnMap.clear();
     idMap.clear();
     if (cleanerThread != null) {
@@ -510,9 +534,12 @@
       EntryCacheCommon.getConfigErrorHandler (
           EntryCacheCommon.ConfigPhase.PHASE_APPLY, null, errorMessages
           );
-    processEntryCacheConfig (configuration, applyChanges, errorHandler);
+    // Do not apply changes unless this cache is enabled.
+    if (configuration.isEnabled()) {
+      processEntryCacheConfig (configuration, applyChanges, errorHandler);
+    }
 
-    boolean adminActionRequired = false;
+    boolean adminActionRequired = errorHandler.getIsAdminActionRequired();
     ConfigChangeResult changeResult = new ConfigChangeResult(
         errorHandler.getResultCode(),
         adminActionRequired,
@@ -530,8 +557,8 @@
    * @param applyChanges   If true then take into account the new configuration.
    * @param errorHandler   An handler used to report errors.
    *
-   * @return  The mapping between strings of character set values and the
-   *          minimum number of characters required from those sets.
+   * @return  <CODE>true</CODE> if configuration is acceptable,
+   *          or <CODE>false</CODE> otherwise.
    */
   public boolean processEntryCacheConfig(
       SoftReferenceEntryCacheCfg          configuration,
@@ -594,6 +621,8 @@
       setLockTimeout(newLockTimeout);
       setIncludeFilters(newIncludeFilters);
       setExcludeFilters(newExcludeFilters);
+
+      registeredConfiguration = configuration;
     }
 
     return errorHandler.getIsAcceptable();

--
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