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| java.lang.NoClassDefFoundError |
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Message
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| mqs_guy |
 Posted: Fri Mar 28, 2003 2:30 pm Post subject: java.lang.NoClassDefFoundError |
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Acolyte
Joined: 09 May 2002
Posts: 71
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Hi Guys,
I wrote a small MQ program on AIX to do a MQGET from a queue. There is no problem when i compiling it. But when I run it, I got the following exception:
java.lang.NoClassDefFoundError: java/security/PrivilegedAction
at
at com.ibm.mq.MQSESSIONServer.getMQSESSION(Compiled Code)
at com.ibm.mq.MQSESSION.getSession(Compiled Code)
at com.ibm.mq.MQManagedConnectionJ11.<init>(Compiled Code)
at com.ibm.mq.MQBindingsManagedConnectionFactoryJ11._createManagedConnection(Compiled Code)
at com.ibm.mq.MQBindingsManagedConnectionFactoryJ11.createManagedConnection(Compiled Code)
at com.ibm.mq.StoredManagedConnection.<init>(Compiled Code)
at com.ibm.mq.MQSimpleConnectionManager.allocateConnection(Compiled Code)
at com.ibm.mq.MQQueueManager.obtainBaseMQQueueManager(Compiled Code)
at com.ibm.mq.MQQueueManager.construct(Compiled Code)
at com.ibm.mq.MQQueueManager.<init>(Compiled Code)
at MQConnect.<init>(Compiled Code)
at MQConnect.main(Compiled Code)
I executed javap java/security/PriviledgedAction to get the following message:
This utility can be used to reverse assemble code. Many program license
agreements do not permit reverse assembly. If you are not the copyright
owner of the code which you want to reverse assemble, please check the
license agreement under which you acquired such code to confirm whether
you are permitted to perform such reverse assembly.
Class 'java/security/PriviledgedAction' not found
I guess it has something to do with the classpath. My classpath is
$ echo $CLASSPATH
.:/usr/jdk_base/lib/classes.zip:/usr/mqm/java/lib/com.ibm.mq.jar:/usr/mqm/java/lib/com.ibm.mqbind.jar:/usr/mqm/java/lib/com.ibm.mqjms.jar:/usr/mqm/java/lib/connector.jar:/usr/mqm/java/lib/jta.jar:
I am using MQSeries 5.3 where me have MA88 (support for java classes) built in.
Can u please help me solving this.
Any inputs on this would be of great help.
Thanks & Regards,
Vishal |
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| vennela |
| Posted: Fri Mar 28, 2003 4:04 pm Post subject: |
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Jedi Knight
Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
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What version of JDK are you using. Is it SUN's or IBM's.
Usually java/something means that's not an MQ class.
Is your LD_LIBRARY_PATH set to /usr/mqm/java/lib?
May be you should post your code so that if we make some changes it will not hit the class...
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Venny |
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| dpchiesa |
| Posted: Mon Mar 31, 2003 8:54 am Post subject: PrivilegedAction |
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Apprentice
Joined: 29 May 2002
Posts: 46
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PrivilegedAction is a class that is included in JDK 1.4.
See http://java.sun.com/j2se/1.4/docs/api/java/security/PrivilegedAction.html .
It looks like you are trying to run an app that requires Java 1.4
Also, when you ran javap - you spelled the classname incorrectly. But it wouldn't matter since the class is not installed anyway.
Solution: install Java 1.4, then re-run.
_________________
-dpchiesa |
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| mqs_guy |
| Posted: Mon Mar 31, 2003 9:37 am Post subject: |
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Acolyte
Joined: 09 May 2002
Posts: 71
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Hi,
Now i get an different error. please find the same below
***************************************************
java.lang.NoClassDefFoundError: javax/resource/spi/ConnectionRequestInfo
at com.ibm.mq.MQSESSION.getConnectionRequestInfo(Compiled Code)
at com.ibm.mq.MQQueueManager.obtainBaseMQQueueManager(Compiled Code)
at com.ibm.mq.MQQueueManager.construct(Compiled Code)
at com.ibm.mq.MQQueueManager.<init>(Compiled Code)
at MQConn.connect(Compiled Code)
at MQConn.main(Compiled Code)
***********************************************
This error "java.lang.NoClassDefFoundError" comes when your classpath is not properly set. The JVM is trying to locate the class file but it's not able to do so. i have changed my CLASSPATH and PATH but it still doesn't help.
CLASSPATH
$ echo $CLASSPATH
.:/usr/bin/:/usr/mqm/java/lib/com.ibm.mq.jar:/usr/mqm/java/lib:
PATH
$ echo $PATH
/usr/bin:/usr/mqm/java/lib/com.ibm.mq.jar:/usr/mqm/java/lib:etc:/usr/sbin:/usr/ucb:/home/mqm/bin:/usr/bin/X11:/sbin:.:
I am unable to proceed further..please any inputs would be of great help.
- Vishal |
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