Fix OPENDJ-525: Remove compiler warnings when building using JDK7

Matthew Swift

19.26.2012 108e2020c1d149962dfc43dcbc6bc24a05a8e5f7

 opends/tests/unit-tests-testng/src/server/org/opends/server/replication/plugin/HistoricalTest.java

@@ -35,7 +35,6 @@
import org.opends.server.replication.common.ChangeNumber;
import org.opends.server.replication.protocol.AddMsg;
import org.opends.server.replication.protocol.ModifyMsg;
import org.opends.server.schema.DirectoryStringSyntax;
import org.opends.server.TestCaseUtils;
import org.opends.server.protocols.internal.InternalClientConnection;
import org.opends.server.protocols.internal.InternalSearchOperation;
@@ -53,9 +52,6 @@
import org.opends.server.types.ResultCode;
import org.opends.server.types.SearchResultEntry;
import org.opends.server.types.SearchScope;
import org.opends.server.types.operation.PluginOperation;
import org.opends.server.backends.task.TaskBackend;
import org.opends.server.backends.task.TaskState;
import org.opends.server.core.DirectoryServer;
import org.testng.annotations.Test;
import org.testng.annotations.BeforeClass;
@@ -63,11 +59,7 @@
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import static org.opends.messages.ReplicationMessages.ERR_NO_MATCHING_DOMAIN;
import static org.opends.server.TestCaseUtils.*;
import static org.opends.server.config.ConfigConstants.ATTR_TASK_CONFLICTS_HIST_PURGE_COUNT;
import static org.opends.server.config.ConfigConstants.ATTR_TASK_CONFLICTS_HIST_PURGE_COMPLETED_IN_TIME;

import java.net.ServerSocket;
import java.util.LinkedList;
import java.util.List;