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java.lang.ClassCastException: javax.naming.Reference incompatible with QueueConnectio  RSS feed

Aruna Kumar Roula
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I am writting a JMS client for my application which is running on WebSphere 6.1.13

When i tring to look up QueueConnectionFactory, getting following exception.

QueueConnectionFactory queueConnectionFactory = (QueueConnectionFactory) initialContext.lookup("jms/RTDSQueueConnectionFactory");

May 23, 2008 12:48:58 PM com.ibm.ws.naming.util.Helpers
WARNING: jndiGetObjInstNoop

java.lang.ClassCastException: javax.naming.Reference incompatible with javax.jms.QueueConnectionFactory

12:48:58.078 com.ibm.rmi.pi.InterceptorManager runPreInit:176 P=136765 =0:CT ORBRas[default] java.lang.ClassNotFoundException: com.ibm.ws.activity.remote.cos.ActivityServiceClientInterceptor (no security manager: RMI class loader disabled)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:386)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:180)
at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java:632)
at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:214)
at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:147)
at com.ibm.rmi.util.JDKBridge.loadClassM(JDKBridge.java:293)
at com.ibm.rmi.util.JDKBridge.loadClass(JDKBridge.java:108)
at com.ibm.CORBA.iiop.UtilDelegateImpl.loadClass(UtilDelegateImpl.java:644)
at javax.rmi.CORBA.Util.loadClass(Util.java:252)
at com.ibm.rmi.pi.InterceptorManager.runPreInit(InterceptorManager.java:170)
at com.ibm.rmi.corba.ORB.initializeInterceptors(ORB.java:606)
at com.ibm.CORBA.iiop.ORB.initializeInterceptors(ORB.java:1073)
at com.ibm.rmi.corba.ORB.orbParameters(ORB.java:1320)
at com.ibm.rmi.corba.ORB.set_parameters(ORB.java:1211)
at com.ibm.CORBA.iiop.ORB.set_parameters(ORB.java:1681)
at org.omg.CORBA.ORB.init(ORB.java:364)
at com.ibm.ws.orb.GlobalORBFactory.init(GlobalORBFactory.java:86)
at com.ibm.ejs.oa.EJSORBImpl.initializeORB(EJSORBImpl.java:179)
at com.ibm.ejs.oa.EJSClientORBImpl.<init>(EJSClientORBImpl.java:83)
at com.ibm.ejs.oa.EJSClientORBImpl.<init>(EJSClientORBImpl.java:59)
at com.ibm.ejs.oa.EJSORB.init(EJSORB.java:102)
at com.ibm.ws.naming.util.Helpers.getOrb(Helpers.java:309)
at com.ibm.ws.naming.util.WsnInitCtxFactory.getInitialContextInternal(WsnInitCtxFactory.java:400)
at com.ibm.ws.naming.util.WsnInitCtx.getContext(WsnInitCtx.java:117)
at com.ibm.ws.naming.util.WsnInitCtx.getContextIfNull(WsnInitCtx.java:712)
at com.ibm.ws.naming.util.WsnInitCtx.lookup(WsnInitCtx.java:171)
at javax.naming.InitialContext.lookup(InitialContext.java:363)
at com.chordiant.dm.demo.util.DecisionControllerFacade.<init>(DecisionControllerFacade.java:48)
at com.chordiant.dm.demo.prjms.DecisionMaker.calculateSum(DecisionMaker.java:17)
at com.chordiant.dm.demo.prjms.Main.main(Main.java:12)

I have put the following jars on my project classpath on eclipse:


Please help me.. It is too urgent form me.
Thanks a lot in advance.

Helder da Rocha
Posts: 1
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I fixed this problem including the following JARs in my client's classpath. I'm using WAS 6.1 connected to MQ 6 in Windows:

1) Configure your project to use the IBM JRE @ ${WAS_HOME}\AppServer\java as your runtime.
2) Include the JARs in ${WAS_HOME}\AppServer\lib and the JARs in ${WAS_HOME}\AppServer\lib\WMQ\java\lib
3) Include all the com.ibm.* JARs from the ${WAS_HOME}\AppServer\plugins

Riaz Mogal
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Can you please tell me how did you solved the below error. Not sure which JAR has the class.

java.lang.NoClassDefFoundError: org.eclipse.hyades.collection.correlation.ICorrelatorData
at java.lang.J9VMInternals.verifyImpl(Native Method)
at java.lang.J9VMInternals.verify(J9VMInternals.java:66)
at java.lang.J9VMInternals.initialize(J9VMInternals.java:127)
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java:1300)
at com.ibm.rmi.pi.InterceptorManager.runPreInit(InterceptorManager.java:171)

Here are some of the Jars which I added in classpath.

export WAS61_HOME=/opt/IBM/WebSphere/AppServer61
export WAS61_JARS=$WAS61_HOME/runtimes/com.ibm.ws.admin.client_6.1.0.jar:$WAS61_HOME/runtimes/com.ibm.ws.webservices.thinclient_6.1.0.jar:$WAS61_HOME/plugins/com.ibm.ws.runtime_6.1.0.jar
export WAS61_MQ_JARS=$WAS61_HOME/lib/WMQ/java/lib/com.ibm.mq.jar:$WAS61_HOME/lib/WMQ/java/lib/com.ibm.mqjms.jar:$WAS61_HOME/lib/WMQ/java/lib/dhbcore.jar
Rahul K Gupta
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Hi, my sample code to connect to a MQ(v6.0)Queue while making exclusive use of javax.jms APIs ( J2EE v 1.5 and JDK v 1.6) is as follows -
import javax.jms.*;
import java.util.*;
import javax.naming.*;
class accessMQ
public static void main ( String args[])

Context ctx = null;
QueueConnectionFactory jmsQCF = null;
QueueConnection jmsConnxn = null;
QueueSession jmsSession = null;
javax.jms.Queue jmsQueue = null;
QueueSender jmsQsender=null;
TextMessage outMessage=null;
Hashtable hTableforProp = new Hashtable();
hTableforProp.put(Context.PROVIDER_URL, "file:/C:/JNDI-Directory");

ctx=new InitialContext(hTableforProp);
System.out.println("Looking up the QCF name in the JNDI Store!!");
jmsQCF =(QueueConnectionFactory) ctx.lookup("MyQCF");
System.out.println("Starting the connection!!");
System.out.println("Looking up the Request Queue name in the JNDI Store!!");
System.out.println("Created the sesssion successfully!!");
outMessage = jmsSession.createTextMessage();
outMessage.setText("Test Message on " + new Date());
jmsQsender.send(outMessage );
catch (Exception E)
} // main method ends here.
} // class accessMQ ends here
I would like to share following points which I confirmed while resolving this exact issue-
1.)Switching the JDK vendor from SUN to IBM didn't help me. I get the same exception for either of those.
2.) Only the following four JAR files are additionally required to successfully execute the code seen above - fscontext.jar,providerutil.jar, j2ee.jar,com.ibm.mqjms.jar.I lost a lot of time in trying to figure out this exact dependency. I hope others find it helpful in saving their time.
Amit Ghorpade
Posts: 2856
Fedora Firefox Browser Java
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"Rahul KG" welcome to Javaranch
looks like your display name does not follow the Javaranch Naming policy .
Basically your display name must consist of a first name and a last name(no initials for last name) separated by a space and must not be obviously fictitious.
Please change your display name using the My Profile link above.
So please take a moment of your time to adjust your display name so that it includes a valid last name also.
[ December 22, 2008: Message edited by: Amit Ghorpade ]
shafiullah shaik
Posts: 8
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HI ,

In our project we are using Websphere Application server
When we tried to send mails we are getting the below exception

[financing_tools_gcps] [GcpsEmailSender] [03/04 09:23:19] [DEBUG] [Severity 4] [R2fSendStatusApp] Initializing context and mail session
[financing_tools_gcps] [GcpsEmailSenderFactory] [03/04 09:23:22] [ERROR] [Severity 2] [R2fSendStatusApp] GcpsEmailSenderFactor failed to send eMail sendMail(String to, String from, String subject, String text, String mimeType) javax.naming.Reference incompatible with javax.mail.Session
[financing_tools_gcps] [GcpsEmailSenderFactory] [03/04 09:23:22] [DEBUG] [Severity 4] [R2fSendStatusApp] <-- GcpsEmailSenderFactory sendMail(String to, String from, String subject, String text, String mimeType) with exception java.lang.ClassCastException: javax.naming.Reference incompatible with javax.mail.Session
[financing_tools_gcps] [R2fSendStatusApp] [03/04 09:23:22] [ERROR] [Severity 2] [R2fSendStatusApp] Gcps Exception occured while sending mail financing.tools.gcps.common.exceptions.GcpsExceptionjavax.naming.Reference incompatible with javax.mail.Session

THe code which we used is:
private void init()
throws GcpsException
logCtx.debug(ENTRY_LOG, "--> void init ( ) ");
Hashtable hashtable = new Hashtable();
String s = ApplicationContextFactory.singleton().getApplicationContext().getConfigParameter("javaMailInitialContextFactory");
String s1 = ApplicationContextFactory.singleton().getApplicationContext().getConfigParameter("jndiProviderUrl");
String s2 = ApplicationContextFactory.singleton().getApplicationContext().getConfigParameter("javaMailSessionJndiName");
hashtable.put("java.naming.factory.initial", s);
hashtable.put("java.naming.provider.url", s1);
logCtx.debug(APP_LOG, "Initializing context and mail session");
logCtx.debug(APP_LOG, s);
logCtx.debug(APP_LOG, s1);
logCtx.debug(APP_LOG, s2);
InitialContext initialcontext = new InitialContext(hashtable);
logCtx.debug(APP_LOG, "Testing 1");
super.mailSession = (Session)initialcontext.lookup(s2);
logCtx.debug(APP_LOG, "Initializing context and mail session ended");
catch(NamingException namingexception)
GcpsException gcpsexception = new GcpsException(namingexception.getMessage());
logCtx.error(APP_LOG, (new StringBuilder()).append("Naming exception occured during initiliazing the session and context ").append(namingexception.getMessage()).toString());
logCtx.debug(EXIT_LOG, "<-- void init ( ) with Naming Exception");
throw gcpsexception;
logCtx.debug(EXIT_LOG, "void init ( ) ");

When we use Websphere Application server 6.1 We are happily receiving mails .
IN the class path I have set the WAS 7 compatible naming.jar and namingclient.jar

Please let me know if something else is to be configured.
can some one please help me out in this.
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