java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at oracle.ucp.common.UniversalConnectionPoolImpl$UniversalConnectionPoolInternal.createOnePooledConnectionInternal(UniversalConnectionPoolImpl.java:1592)
at oracle.ucp.common.UniversalConnectionPoolImpl$UniversalConnectionPoolInternal.access$600(UniversalConnectionPoolImpl.java:1424)
at oracle.ucp.common.UniversalConnectionPoolImpl.createOnePooledConnection(UniversalConnectionPoolImpl.java:498)
at oracle.ucp.common.UniversalConnectionPoolImpl.addNewConnections(UniversalConnectionPoolImpl.java:984)
at oracle.ucp.common.UniversalConnectionPoolBase.getInitialConnections(UniversalConnectionPoolBase.java:549)
at oracle.ucp.common.UniversalConnectionPoolBase.start(UniversalConnectionPoolBase.java:657)
at com.oracle.oim.gcp.ucp.UCPPool.initializePool(UCPPool.java:94)
at com.oracle.oim.gcp.pool.PoolFactory.getPool(PoolFactory.java:91)
at com.oracle.oim.gcp.pool.ConnectionService.getConnection(ConnectionService.java:46)
at com.oracle.oim.gcp.pool.ConnectionService.getConnection(ConnectionService.java:176)
at oracle.iam.ldapsync.impl.repository.ITResourceRepository.getConnection(ITResourceRepository.java:36)
at oracle.iam.platform.entitymgr.provider.ldap.LDAPDataProvider.create(LDAPDataProvider.java:479)
at oracle.iam.platform.entitymgr.impl.EntityManagerImpl.createEntity(EntityManagerImpl.java:291)
at oracle.iam.ldapsync.impl.eventhandlers.user.UserCreateLDAPPreProcessHandler.createUser(UserCreateLDAPPreProcessHandler.java:193)
at oracle.iam.ldapsync.impl.eventhandlers.user.UserCreateLDAPHandler.execute(UserCreateLDAPHandler.java:84)

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