REP-501: Unable to connect to the specified database

Question

Hi, the following error occurs when running a paper report from forms:[
2006/8/10 9:38:19:493] State 56016 (JobManager:updateJobStatus): Job 22 status is: Terminated with error:
REP-501: Unable to connect to the specified database.
[2006/8/10 9:38:19:494] Debug 50103 (JobManager:notifyWaitingJobs): Master job 22 notify its duplicated jobs.
[2006/8/10 9:38:19:496] Debug 50103 (JobManager:updateJobStatus): Finished updating job: 22
[2006/8/10 9:38:19:500] State 56004 (EngineInfo:setState): Engine rwEng-0 state is: Ready
[2006/8/10 9:38:19:530] Exception 501 (): Unable to connect to the specified database.
exception oracle.reports.RWException {
oracle.reports.RWError[] errorChain={struct oracle.reports.RWError {
int errorCode=501,
java.lang.String errorString="Unable to connect to the specified database.",
java.lang.String moduleName="REP"
     at oracle.reports.RWExceptionHelper.read(RWExceptionHelper.java:28)
     at oracle.reports.engine._EngineClassStub.run(_EngineClassStub.java:159)
     at oracle.reports.server.JobManager.runJobInEngine(JobManager.java:784)
     at oracle.reports.server.JobManager.runJobLocal(JobManager.java:1557)
     at oracle.reports.server.JobManager.dispatch(JobManager.java:896)
     at oracle.reports.server.ConnectionImpl.runJob(ConnectionImpl.java:1166)
     at oracle.reports.server.ConnectionPOATie.runJob(ConnectionPOATie.java:296)
     at oracle.reports.server.ConnectionPOA._invoke(ConnectionPOA.java:419)
     at oracle.reports.server.ConnectionPOA._invoke(ConnectionPOA.java:85)
     at com.inprise.vbroker.poa.POAImpl.invoke(POAImpl.java:2355)
     at com.inprise.vbroker.poa.ActivationRecord.invoke(ActivationRecord.java:104)
     at com.inprise.vbroker.GIOP.GiopProtocolAdapter.doRequest(GiopProtocolAdapter.java:492)
     at com.inprise.vbroker.IIOP.ServerProtocolAdapter.doRequest(ServerProtocolAdapter.java:64)
     at com.inprise.vbroker.GIOP.GiopProtocolAdapter.dispatchMessage(GiopProtocolAdapter.java:653)
     at com.inprise.vbroker.orb.TPDispatcherImpl$TPDispatcher.run(TPDispatcherImpl.java:99)
     at com.inprise.vbroker.orb.ThreadPool$PoolWorker.run(ThreadPool.java:76)
I've included the connection in tnsnames.ora, connecting from forms and sqlplus works fine, only reports generate the error above. Any ideas ?

Answer 1

In the engine tracefile i found this:
[2006/8/10 10:48:54:64] Exception 50125 (org.omg.CORBA.TRANSIENT: vmcid: 0x0 minor code: 0 completed: No
     at com.inprise.vbroker.orb.DelegateImpl.verifyConnection(DelegateImpl.java:336)
     at com.inprise.vbroker.orb.DelegateImpl.is_local(DelegateImpl.java:496)
     at org.omg.CORBA.portable.ObjectImpl._is_local(ObjectImpl.java:354)
     at oracle.reports.server._EngineCommStub.ping(_EngineCommStub.java:91)
     at oracle.reports.engine.RWEngine.init(RWEngine.java:268)
     at oracle.reports.engine.RWEngine.main(RWEngine.java:55)
): Interner Fehler org.omg.CORBA.TRANSIENT: vmcid: 0x0 minor code: 0 completed: No
[2006/8/10 10:48:55:79] Exception 50125 (org.omg.CORBA.OBJECT_NOT_EXIST: vmcid: 0x0 minor code: 0 completed: No
     at com.inprise.vbroker.ProtocolEngine.PortfolioImpl.getConnector(PortfolioImpl.java:79)
     at com.inprise.vbroker.ProtocolEngine.ManagerImpl.getConnector(ManagerImpl.java:147)
     at com.inprise.vbroker.orb.DelegateImpl._bind(DelegateImpl.java:196)
     at com.inprise.vbroker.orb.DelegateImpl.verifyConnection(DelegateImpl.java:365)
     at com.inprise.vbroker.orb.DelegateImpl.is_local(DelegateImpl.java:496)
     at org.omg.CORBA.portable.ObjectImpl._is_local(ObjectImpl.java:354)
     at oracle.reports.server._EngineCommStub.ping(_EngineCommStub.java:91)
     at oracle.reports.engine.RWEngine.init(RWEngine.java:268)
     at oracle.reports.engine.RWEngine.main(RWEngine.java:55)
): Interner Fehler org.omg.CORBA.OBJECT_NOT_EXIST: vmcid: 0x0 minor code: 0 completed: No
Any ideas ? Didn't find anything useful in the web