Add check for null SASL Context and fix error message in EXTERNAL Digest Ha...

dugan

12.37.2009 ce85e5cee200e6ee4ecffd4b0960aa5001c0ecf3

 opendj-sdk/opends/src/server/org/opends/server/extensions/ExternalSASLMechanismHandler.java

@@ -176,9 +176,8 @@
    }

    if(!(clientConnection instanceof LDAPClientConnection)) {
        //TODO SASLPhase2 need better message
        bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS);
        Message message = ERR_SASLEXTERNAL_NO_SECURITY_PROVIDER.get();
        Message message = ERR_SASLEXTERNAL_NOT_LDAP_CLIENT_INSTANCE.get();
        bindOperation.setAuthFailureReason(message);
        return;
    }