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From "Balachandar R.A." <balachandar...@gmail.com>
Subject Issue when receiving java object
Date Sun, 28 Apr 2013 15:32:02 GMT
Hello,

I wanted to send a java object to activeMQ. I could successfully send the
object but I have a trouble receiving it in the consumer side. I could
track it is receiving an object message. However, when I tried to assign
the object message to java object using oobjMsg.getObject() method, i get
an exception like below

INFO: Establishing connection with activeMQ server tcp://192.168.1.5:61616
Received one object messsage
Apr 28, 2013 8:44:34 PM java_util_logging_Logger$severe call
SEVERE: Exception occurred in PhotoConsumer class..!!
javax.jms.JMSException: Failed to build body from bytes. Reason:
java.io.InvalidClassException: org.eads.photo.mosaic.Messag; local class
incompatible: stream classdesc serialVersionUID = 4856066955488107053,
local class serialVersionUID = 999
        at
org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:35)
        at
org.apache.activemq.command.ActiveMQObjectMessage.getObject(ActiveMQObjectMessage.java:192)
        at javax.jms.ObjectMessage$getObject.call(Unknown Source)
        at
org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
        at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
        at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112)
        at
org.eads.photo.mosaic.consumer.PhotoConsumer.main(PhotoConsumer.groovy:85)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at
org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
        at
groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1318)
        at
org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:822)
        at
groovy.lang.GroovyShell.runScriptOrMainOrTestOrRunnable(GroovyShell.java:264)
        at groovy.lang.GroovyShell.run(GroovyShell.java:220)
        at groovy.lang.GroovyShell.run(GroovyShell.java:150)
        at groovy.ui.GroovyMain.processOnce(GroovyMain.java:588)
        at groovy.ui.GroovyMain.run(GroovyMain.java:375)
        at groovy.ui.GroovyMain.process(GroovyMain.java:361)
        at groovy.ui.GroovyMain.processArgs(GroovyMain.java:120)
        at groovy.ui.GroovyMain.main(GroovyMain.java:100)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at
org.codehaus.groovy.tools.GroovyStarter.rootLoader(GroovyStarter.java:106)
        at
org.codehaus.groovy.tools.GroovyStarter.main(GroovyStarter.java:128)
Caused by: java.io.InvalidClassException: org.eads.photo.mosaic.Messag;
local class incompatible: stream classdesc serialVersionUID =
4856066955488107053, local class serialVersionUID = 999
        at
java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
        at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
        at
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
        at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
        at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
        at
org.apache.activemq.command.ActiveMQObjectMessage.getObject(ActiveMQObjectMessage.java:185)
        ... 27 more

Any hint to fix this?

regards
Bala

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