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MQSeries.net Forum Index » IBM MQ Java / JMS » Running PCF Sampl code from a Servlet

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jigjim
PostPosted: Tue Mar 30, 2004 11:42 am    Post subject: Running PCF Sampl code from a Servlet Reply with quote

Apprentice

Joined: 30 Mar 2004
Posts: 41
Hi,

I tried to run the IBM sample code ListQManagerAttrs (PCF Commands) in WebSphere. As an application it runs as expected.

But when i try to run the same code from a servlet in WebSphere, I get an exception thrown when I try to set the attributes in a message using the following code sample:

System.out.println("testing 1");
// MQCFH.write (message, CMQCFC.MQCMD_INQUIRE_Q, 3); // 3 parameters follow
System.out.println("testing 2");
MQCFST.write (message, CMQC.MQCA_Q_NAME, "*");
System.out.println("testing 3");
MQCFIN.write (message, CMQC.MQIA_Q_TYPE, CMQC.MQQT_ALL);
System.out.println("testing 4");
MQCFIL.write (message, CMQCFC.MQIACF_Q_ATTRS, attrs);

It throws the following error messages:

[3/30/04 13:39:01:107 EST] 5fed0ff4 WebGroup E SRVE0026E: [Servlet Error]-[com/ibm/mq/MQException]: java.lang.NoClassDefFoundError: com/ibm/mq/MQException
at PCFAccessNoAgent.getQAttr(PCFAccessNoAgent.java:74)
at Controller.doPost(Controller.java:49)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:948)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:530)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:176)
at com.ibm.ws.webcontainer.servlet.InvokerServlet.service(InvokerServlet.java:255)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:948)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:530)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:176)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:79)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:201)
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:610)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:431)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)
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vennela
PostPosted: Tue Mar 30, 2004 12:36 pm    Post subject: Reply with quote

Jedi Knight

Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
Make sure you have the appropriate JAR files (like com.ibm.mq.jar) are in the CLASSPATH of WAS
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jigjim
PostPosted: Tue Mar 30, 2004 1:04 pm    Post subject: Reply with quote

Apprentice

Joined: 30 Mar 2004
Posts: 41
Yes I do have it.

It compiles correctly in the Project setup i have in WebSphere.
I have added the required mq (mq.jar, mq.pcf, ..) files in the web-inf/lic directory. Its only at runtime i ma having this problem

Thanks for the reminder,

jigs
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jefflowrey
PostPosted: Tue Mar 30, 2004 1:18 pm    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
jigjim wrote:
Its only at runtime i ma having this problem


Then, at runtime, you don't have your CLASSPATH setup correctly.

Which means your Websphere Application Server's CLASSPATH is not correct.

What is the value of MQ_INSTALL_ROOT in the Server Variables in the Websphere Administration Console?
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jigjim
PostPosted: Tue Mar 30, 2004 2:48 pm    Post subject: Reply with quote

Apprentice

Joined: 30 Mar 2004
Posts: 41
This is the classpath setting for my Workspace directory. When I run it in debug mode, It throws this error line "Source not found for com.ibm.oti.vm.BootstrapClassLoader.loadClass(String) line: 65" at the following line in the code:

PCFParameter [] parameters = {
new MQCFST (CMQC.MQCA_Q_NAME, "MQ02LDG.QL.REPLY"),
new MQCFIN (CMQC.MQIA_Q_TYPE, CMQC.MQQT_ALL),
new MQCFIL (CMQCFC.MQIACF_Q_ATTRS, attrs)
};

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry exported="true" kind="var"
path="SERVERJDK_50_PLUGINDIR/jre/lib/rt.jar" sourcepath="SERVERJDK_50_PLUGINDIR/src.jar"/>
<classpathentry kind="src" path="JavaSource"/>
<classpathentry exported="true" kind="var" path="WAS_50_PLUGINDIR/lib/j2ee.jar"/>
<classpathentry exported="true" kind="var" path="WAS_50_PLUGINDIR/lib/servletevent.jar"/>
<classpathentry exported="true" kind="var" path="WAS_50_PLUGINDIR/lib/ivjejb35.jar"/>
<classpathentry exported="true" kind="var" path="WAS_50_PLUGINDIR/lib/runtime.jar"/>
<classpathentry exported="true" kind="lib" path="WebContent/WEB-INF/lib/com.ibm.mq.pcf.jar"/>
<classpathentry exported="true" kind="lib" path="WebContent/WEB-INF/lib/com.ibm.mq.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/connector.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/providerutil.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/ldap.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/jndi.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/com.ibm.mqbind.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/jta.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/com.ibm.mqjms.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/fscontext.jar"/>
<classpathentry kind="lib" path="WebContent/WEB-INF/lib/jms.jar"/>
<classpathentry kind="output" path="WebContent/WEB-INF/classes"/>
</classpath>
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jefflowrey
PostPosted: Tue Mar 30, 2004 6:25 pm    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
jigjim wrote:
This is the classpath setting for my Workspace directory.


Why would the classpath for your workspace affect the classpath for your WAS server?
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jigjim
PostPosted: Wed Mar 31, 2004 6:49 am    Post subject: Reply with quote

Apprentice

Joined: 30 Mar 2004
Posts: 41
I am new to using MQ series on WebSphere. Can you please tell me how do I verify the MQ_INSTALL_ROOT Server variable value.

Thanks

Jigs
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jefflowrey
PostPosted: Wed Mar 31, 2004 8:02 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
You use the Administration Console for WAS, and choose "Manage WebSphere Variables" from the Environment submenu.
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jigjim
PostPosted: Thu Apr 01, 2004 7:26 am    Post subject: Reply with quote

Apprentice

Joined: 30 Mar 2004
Posts: 41
Hi,

I got it working now. I had to add the com.ibm.mq and com.ibm.mq.pcf jar files in the server classpath.

Thanks

Jigs
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jefflowrey
PostPosted: Thu Apr 01, 2004 7:55 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
jigjim wrote:
I got it working now. I had to add the com.ibm.mq and com.ibm.mq.pcf jar files in the server classpath.

So, then, in
vennela wrote:
the CLASSPATH of WAS

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