​Good Morning all,

I have an issue in configuring a datasoruce element in IBM liberty v18.0.0.1 , when i configure the datasource element to use containerAuthDataRef to establish a connection instead of typing the user name and the password in the datasource element directly, i get an excepation during the server start up, any one can



-- Oracle database configuration -->
 <!-- Please note that all below variables are defined in application_Config.xml
  in the xml_config folders -->
 <jdbcDriver id="Oracle_Driver"
  javax.sql.DataSource="oracle.jdbc.pool.OracleConnectionPoolDataSource">
  <library id="OracleJDBCLib">
   <fileset dir="${shared.resource.dir}/JavaJars" includes="ojdbc7.jar" />

  </library>
 </jdbcDriver>
 <dataSource id="Oracle_DataSource" jdbcDriverRef="Oracle_Driver"
  jndiName="${App.oracle.dataSource_JNDI_NAME}" type="javax.sql.ConnectionPoolDataSource"
  containerAuthDataRef="Oracle_db_Authen_Ref" jaasLoginContextEntryRef="Oracle_db_Authen_Ref">
  <properties.oracle URL="${App.oracle.dataSource_url}" beginTranForResultSetScrollingAPIs="false" beginTranForVendorAPIs="false"
   connectionSharing="1" databaseName="${App.oracle.dataSource_DB_Schema}"
   enableMultithreadedAccessDetection="false" errorDetectionModel="ExceptionMapping"
   freeResourcesOnClose="false" jmsOnePhaseOptimization="false"
   name="${App.oracle.dataSource_Name}" nonTransactionalDataSource="false"
   oracleLogFileCount="1" oracleLogFileSizeLimit="0" oracleLogFormat="SimpleFormat"
   oracleLogPackageName="oracle.jdbc.driver" oracleLogTraceLevel="INFO"
   portNumber="${App.oracle.dataSource_port}" preTestSQLString="SELECT 1 FROM DUAL"
   reauthentication="false" serverName="${App.oracle.dataSource_Server_Name}"
   validateNewConnection="false" validateNewConnectionRetryCount="100"
   validateNewConnectionRetryInterval="3" />
  <connectionManager agedTimeout="0"
   connectionTimeout="180" maxIdleTime="1800"
   maxPoolSize="${App.oracle.dataSource_maxPoolSize}" minPoolSize="1"
   reapTime="180" />
    
    </dataSource> 

 <authData user="${App.oracle.dataSource_user}" password="${app.db.oracle.password}" id="Oracle_db_Authen_Ref"></authData>

</server>


ERROR   ] J2CA0046E: Method createManagedConnectionWithMCWrapper caught an exception during creation of the ManagedConnection for resource jdbc/foo/sfp/oracle, throwing ResourceAllocationException. Original exception: <=================================>Exception Message -> null
java.lang.NullPointerException
 at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPooledConnection(OracleConnectionPoolDataSource.java:77)
 at com.ibm.ws.rsadapter.impl.DatabaseHelper$1.run(DatabaseHelper.java:949)
 at java.security.AccessController.doPrivileged(Native Method)
 at com.ibm.ws.rsadapter.impl.DatabaseHelper.getPooledConnection(DatabaseHelper.java:958)
 at com.ibm.ws.rsadapter.impl.WSManagedConnectionFactoryImpl.getConnection(WSManagedConnectionFactoryImpl.java:792)
 at com.ibm.ws.rsadapter.impl.WSManagedConnectionFactoryImpl.createManagedConnection(WSManagedConnectionFactoryImpl.java:649)
 at com.ibm.ejs.j2c.FreePool.createManagedConnectionWithMCWrapper(FreePool.java:1354)
 at com.ibm.ejs.j2c.FreePool.createOrWaitForConnection(FreePool.java:1228)
 at com.ibm.ejs.j2c.PoolManager.reserve(PoolManager.java:1434)
 at com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionManager.java:573)
 at com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionManager.java:309)
 at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java:143)
 at com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcDataSource.java:116)
 at org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:110)
 at org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
 at org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
 at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:603)
 at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1518)
 at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:533)
 at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:458)
 at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:121)
 at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
 at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
 at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:967)
 at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:958)
 at org.apache.openjpa.persistence.PersistenceProviderImpl$ClassTransformerImpl.<init>(PersistenceProviderImpl.java:283)
 at org.apache.openjpa.persistence.PersistenceProviderImpl$ClassTransformerImpl.<init>(PersistenceProviderImpl.java:267)
 at org.apache.openjpa.persistence.PersistenceProviderImpl.createContainerEntityManagerFactory(PersistenceProviderImpl.java:169)
 at org.apache.openjpa.persistence.PersistenceProviderImpl.createContainerEntityManagerFactory(PersistenceProviderImpl.java:62)
 at com.ibm.ws.jpa.management.JPAPUnitInfo.createEMFactory(JPAPUnitInfo.java:910)
 at com.ibm.ws.jpa.management.JPAPUnitInfo.initialize(JPAPUnitInfo.java:762)
 at com.ibm.ws.jpa.management.JPAPxmlInfo.extractPersistenceUnits(JPAPxmlInfo.java:190)
 at com.ibm.ws.jpa.management.JPAScopeInfo.processPersistenceUnit(JPAScopeInfo.java:90)
 at com.ibm.ws.jpa.management.JPAApplInfo.addPersistenceUnits(JPAApplInfo.java:118)
 at com.ibm.ws.jpa.container.osgi.internal.JPAComponentImpl.processLibraryJarPersistenceXml(JPAComponentImpl.java:425)
 at com.ibm.ws.jpa.container.osgi.internal.JPAComponentImpl.applicationStarting(JPAComponentImpl.java:221)

------------------------------
Omar Adel
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