Hi *, I've just realized, that I omitted valuable information by cutting the stack trace, so here is the complete trace: java.sql.SQLException: prepareStatement, Exception = 14 at weblogic.jdbc.wrapper.JDBCWrapperImpl.invocationExceptionHandler(JDBCWrapperImpl.java:141) at weblogic.jdbc.wrapper.Connection.prepareStatement(Connection.java:800) at ch.qos.logback.core.db.DBAppenderBase.append(DBAppenderBase.java:99) at ch.qos.logback.core.UnsynchronizedAppenderBase.doAppend(UnsynchronizedAppenderBase.java:91) at ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:64) at ch.qos.logback.classic.Logger.appendLoopOnAppenders(Logger.java:283) at ch.qos.logback.classic.Logger.callAppenders(Logger.java:270) at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:471) at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:425) at ch.qos.logback.classic.Logger.info(Logger.java:629) at de.bayern.lvg.alkis.boschshapeabgabe.ejb.ShapeAbgabeLifecycleListener.postStart(ShapeAbgabeLifecycleListener.java:33) at weblogic.application.internal.flow.BaseLifecycleFlow$PostStartAction.run(BaseLifecycleFlow.java:297) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.application.internal.flow.BaseLifecycleFlow$LifecycleListenerAction.invoke(BaseLifecycleFlow.java:199) at weblogic.application.internal.flow.BaseLifecycleFlow.postStart(BaseLifecycleFlow.java:71) at weblogic.application.internal.flow.TailLifecycleFlow.activate(TailLifecycleFlow.java:33) at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:1267) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:83) at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:409) at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:54) at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161) at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844) at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1253) at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:163) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:181) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:12) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:67) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:516) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) at weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Caused by: java.lang.ArrayIndexOutOfBoundsException: 14 at oracle.jdbc.driver.OracleSql.computeBasicInfo(OracleSql.java:950) at oracle.jdbc.driver.OracleSql.getSqlKind(OracleSql.java:623) at oracle.jdbc.driver.OraclePreparedStatement.<init>(OraclePreparedStatement.java:1215) at oracle.jdbc.driver.T4CPreparedStatement.<init>(T4CPreparedStatement.java:28) at oracle.jdbc.driver.T4CDriverExtension.allocatePreparedStatement(T4CDriverExtension.java:68) at oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:3140) at oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:3042) at oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:6022) at weblogic.jdbc.common.internal.ConnectionEnv.makeStatement(ConnectionEnv.java:1361) at weblogic.jdbc.common.internal.ConnectionEnv.getCachedStatement(ConnectionEnv.java:1114) at weblogic.jdbc.wrapper.Connection.prepareStatement(Connection.java:793) ... 35 more Kind regards Andreas -- View this message in context: http://old.nabble.com/Problem-with-JNDIConnectionSource-tp29787867p29788049.... Sent from the Logback User mailing list archive at Nabble.com.