Hi, Don
Can you check if the persistence unit name provided by
createEntityManagerFactory() exists in META-INF/persistence.xml?
This occurs if it could not find the persistence unit of the given
name(issue 854).
https://glassfish.dev.java.net/issues/show_bug.cgi?id=854
Thanks
-Wonseok
On 10/27/06, DonBrady <dbrady_at_pobox.com> wrote:
>
>
> I am using toplink-essentials under WebSphere 6.1 (which is based on Java
> 5)
>
> If I try to use the the toplink-essentials-agent.jar via the jvm javaagent
> argument that starts WebSphere, I get the following exception:
>
> java.lang.NullPointerException
> at
>
> oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.createEntityManagerFactory
> (EntityManagerFactoryProvider.java:120)
> at
> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java
> :83)
> at
> com.ncfbins.services.mship.implementations.FetchHRController.fetchhr(
> FetchHRController.java:94)
> at
>
> com.ncfbins.services.mship.implementations.MembershipImplementation.fetchhr
> (MembershipImplementation.java:141)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java
> :64)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(
> DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at
> com.ibm.ws.webservices.engine.dispatchers.java.JavaDispatcher.invokeMethod
> (JavaDispatcher.java:178)
> at
> com.ibm.ws.webservices.dispatchers.ejb.J2ee14EJBDispatcher.invokeMethod(
> J2ee14EJBDispatcher.java:173)
> at
>
> com.ibm.ws.webservices.engine.dispatchers.java.JavaDispatcher.invokeOperation
> (JavaDispatcher.java:141)
> at
>
> com.ibm.ws.webservices.engine.dispatchers.SoapRPCProcessor.processRequestResponse
> (SoapRPCProcessor.java:447)
> at
> com.ibm.ws.webservices.engine.dispatchers.SoapRPCProcessor.processMessage(
> SoapRPCProcessor.java:412)
> at
> com.ibm.ws.webservices.engine.dispatchers.BasicDispatcher.processMessage(
> BasicDispatcher.java:134)
> at
> com.ibm.ws.webservices.dispatchers.ejb.J2ee14EJBDispatcher.invoke(
> J2ee14EJBDispatcher.java:154)
> ... 31 more
>
> I realixe that it is not essential to specify the javaagent.
>
> However, even when I leave it off, I sometimes get the same exception.
>
> Any suggestions would be appreciated....
>
> Thanks,
>
> Don
> --
> View this message in context:
> http://www.nabble.com/NullPointerException-javaagent-WebSphere-6.1-tf2519877.html#a7028182
> Sent from the java.net - glassfish persistence mailing list archive at
> Nabble.com.
>