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MQSeries.net Forum Index » Workflow Engines - IBM MQ Workflow & Business Process Choreographer » Calling an EJB from Activity Implementation

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mqwhelp
PostPosted: Wed May 01, 2002 3:32 pm    Post subject: Reply with quote

Voyager

Joined: 20 Dec 2001
Posts: 85
Location: TCS
I have wriiten a ejb client program and associated it with activity implementation.
When I had start the activity it threw an error


Error running myejbpackage.EjbClient.main([]):
java.lang.ExceptionInInitializerE
rror
java.lang.ExceptionInInitializerError: org.omg.CORBA.INITIALIZE: can't
instantia
te default ORB implementation com.ibm.rmi.corba.ORBSingleton minor code: 0
com
pleted: No
at java.lang.Throwable.<init>(Throwable.java:96)
at java.lang.Exception.<init>(Exception.java:44)
at java.lang.RuntimeException.<init>(RuntimeException.java:49)
at org.omg.CORBA.SystemException.<init>(SystemException.java:51)
at org.omg.CORBA.INITIALIZE.<init>(INITIALIZE.java:75)
at org.omg.CORBA.INITIALIZE.<init>(INITIALIZE.java:49)
at org.omg.CORBA.ORB.create_impl(ORB.java:308)
at org.omg.CORBA.ORB.<clinit>(ORB.java:205)
at
com.ibm.CORBA.iiop.GlobalORBFactory.init(GlobalORBFactory.java:43)
at com.ibm.ejs.oa.EJSORBImpl.initializeORB(EJSORBImpl.java:196)
at com.ibm.ejs.oa.EJSClientORBImpl.<init>(EJSClientORBImpl.java:93)
at com.ibm.ejs.oa.EJSClientORBImpl.<init>(EJSClientORBImpl.java:65)
at com.ibm.ejs.oa.EJSClientORBImpl.<init>(EJSClientORBImpl.java:47)
at com.ibm.ejs.oa.EJSORB.init(EJSORB.java:343)
at
com.ibm.ejs.ns.jndi.CNInitialContextFactory.initORB(CNInitialContextF
actory.java:431)
at
com.ibm.ejs.ns.jndi.CNInitialContextFactory.getInitialContext(CNIniti
alContextFactory.java:201)
at
javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:6
71)
at
javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:242
)
at javax.naming.InitialContext.init(InitialContext.java:218)
at javax.naming.InitialContext.<init>(InitialContext.java:194)
at myejbpackage.EjbClient.main(EjbClient.java:39)
at java.lang.reflect.Method.invoke(Native Method)
at com.ibm.workflow.java.Bridge.dispatch(Bridge.java:162)
at com.ibm.workflow.java.Bridge.call(Bridge.java:111)



It failed at the given statement in my program

Context context = new InitialContext(properties);

Please suggest in detail

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sanjays30
PostPosted: Tue May 14, 2002 10:56 am    Post subject: Reply with quote

Novice

Joined: 05 May 2002
Posts: 18
Location: USA
1. Have you given the provider_url. "iiop://servername"
2. Use the same IBM JDK which comes with Websphere, if you try to use other JDK with Java client you might get problem with ORB.
3. You should have Websphere Advanced Edition not the Advanced Single Server edition to call EJB from java client.
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