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'ODI-1274: Agent Exception Caused by: null' Message Is Received when ODI J2EE Agent Is Starting Any Session (Doc ID 1409823.1)

Last updated on MAY 29, 2020

Applies to:

Oracle Data Integrator - Version and later
Information in this document applies to any platform.


An Oracle Data Integrator (ODI) J2EE Agent promptly responds when tested from the ODI Topology Manager but is unable to execute any jobs.

The corresponding Session does not even start, and following message is received when executing any Session (Scenario, WebService, Package, etc) on the above Agent:

ODI-20028: Cannot start execution

oracle.odi.runtime.agent.invocation.InvocationException: ODI-1274: Agent Exception Caused by: null
   at oracle.odi.runtime.agent.invocation.RemoteRuntimeAgentInvoker.invoke(
   at com.sunopsis.graphical.dialog.SnpsDialogExecution.runStartSession(
   at com.sunopsis.graphical.dialog.SnpsDialogExecution.doPackageExecuter(


On WebLogic Server (WLS) side, the J2EE Agent trace indicates one of the following alternative messages:

[2012-02-01T06:06:23.093-06:00] [odi_server1] [ERROR] [ODI-1131] [] [tid: <TID>] [userId: <APP_AUTH_USER>] [ecid: <ECID>] [APP: oraclediagent] [URI: /oraclediagent/] Agent <AGENTNAME> encountered an error: ODI-1274: Agent Exception Caused by: null

[2012-02-01T06:06:23.093-06:00] [odi_server1] [ERROR] [] [oracle.odi.agent] [tid: <TID>] [userId: <APP_AUTH_USER>] [ecid: <ECID>] [APP: oraclediagent] [URI: /oraclediagent/] java.lang.NullPointerException[[
   at oracle.odi.runtime.agent.coherence.OdiAgentInstanceList.getAgentInstances(

   at oracle.odi.runtime.agent.mbeans.SessionInformationBean.getAgentInstances(
   at oracle.odi.runtime.agent.processor.impl.GetJMXServiceInfoRequestProcessor.doProcessRequest(
   at oracle.odi.runtime.agent.processor.SimpleAgentRequestProcessor.process(
   at oracle.odi.runtime.agent.servlet.AgentServlet.processRequest(
   at oracle.odi.runtime.agent.servlet.AgentServlet.doPost(
   at javax.servlet.http.HttpServlet.service(



[2012-05-02T19:50:56.928-05:00] [odi_server1] [ERROR] [ODI-1131] [] [tid: <TID>] [userId: <APP_AUTH_USER>] [ecid: <ECID>] [APP: oraclediagent] [URI: /oraclediagent/]  <AGENTNAME> encountered an error: ODI-1220: Session preparation failure: an unexpected exception occurred.[[
Caused By: java.lang.NullPointerException
   at oracle.odi.runtime.agent.coherence.OdiDisconnectedRepositoryList.isRepositoryDown(
   at oracle.odi.runtime.agent.mbeans.SessionInformationBean.isWorkRepositoryDown(
   at oracle.odi.runtime.agent.processor.impl.StartScenRequestProcessor$1.doAction(
   at oracle.odi.core.persistence.dwgobject.DwgObjectTemplate.execute(
   at oracle.odi.runtime.agent.processor.impl.StartScenRequestProcessor.goPrepareOrDelegatePrepare(
   at oracle.odi.runtime.agent.processor.impl.StartScenRequestProcessor.doPrepareAgentTask(
   at oracle.odi.runtime.agent.processor.TaskExecutorAgentRequestProcessor.process(
   at oracle.odi.runtime.agent.servlet.AgentServlet.processRequest(
   at oracle.odi.runtime.agent.servlet.AgentServlet.doPost(
   at javax.servlet.http.HttpServlet.service(



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In this Document
 Step 1 (applies to any version of ODI). Coherence cluster must use Unicast discovery mode, and the WKA properties must have been configured
 Step 2 (applies to only version of ODI, if the ODI J2EE Agent is used with Oracle Fusion Application)

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