ToplinkSynchronization

Question

ToplinkSynchronizationMDBBean
I have deployed ear file successfully.
When i try to view the Toplink sessions, one of two things happen:
1. Either it gives me an error
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java.lang.NullPointerException at oracle.sysman.ias.studio.oc4j.ejb.AggEJBListMetricsBean.fetchData(AggEJBListMetricsBean.java:101) at oracle.sysman.ias.studio.oc4j.ejb.EJBListHelper.prepareData(EJBListHelper.java:203) at oracle.sysman.ias.studio.sdk.AbstractController.prepareData(AbstractController.java:875) at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:391) at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:765) at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:283) at oracle.sysman.ias.studio.app.StudioConsole.doGet(StudioConsole.java:385) at javax.servlet.http.HttpServlet.service(HttpServlet.java:743) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65) at oracle.sysman.ias.studio.app.BrowserVersionFilter.doFilter(BrowserVersionFilter.java:75) at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15) at oracle.sysman.ias.studio.app.MultipleJVMFilter.doFilter(MultipleJVMFilter.java:85) at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17) at oracle.sysman.ias.studio.app.PostLogonFilter.doFilter(PostLogonFilter.java:80) at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17) at oracle.sysman.ias.studio.app.ShortHostnameRedirectFilter.doFilter(ShortHostnameRedirectFilter.java:68) at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621) at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370) at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871) at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:302) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:190) at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260) at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303) at java.lang.Thread.run(Thread.java:595)
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OR
2: It shows the Toplink as in failed state, as below:
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Name          "ToplinkSynchronizationMDBBean"
State          Failed
Start Time          Dec 30, 2009 1:41:19 PM GST
          Messaging Type          javax.jms.MessageListener
Transactions          Container
Transaction Support          NotSupported
Performance
Messages Dequeued          0
Messages Rolled Back          5
Average Message Processing Time (seconds)          0.00
Number of Available Instances     0
Number of Used Instances          0
Message Properties
     Uses Resource Adapter as Listener          False
     Destination Type          Unavailable
     Destination JNDI Location          jms/PortalTopic
     Connection Factory JNDI Location          jms/PortalTopicConnection
     Subscription Type          NonDurable
     Subscription Name          Unavailable
     Listener Threads          1
     Message Selector          Unavailable
     Acknowledgement Mode          AUTO_ACKNOWLEDGE
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Any idea what to do?
I start it from the provided button, it gives me the message of "successfully started", but still failed state.
Thanks.

Answer 1