Serializable problem in Tomcat

I have some serialized objects pass between applet and servlet
it works fine for few months but it shows the following exception a day which I didn't change the code
serialVersionUID = 7717056544730499359
is the id that I define in my program using the serialver tool
I don't know where the id 4191415547509391246 comes from.
I try to uninstall the j2se and tomcat once and remove all files in tomcat
but still got the exception, I try to run the same application in another server its okay, so I guess its not the client but the server problem, I wonder the server cache the object wrongly somewhere. Would anyone give some suggestions to me? Thanks.
java.io.InvalidClassException: iTrade.Fut.Objects.TemplateSetting; local class incompatible: stream classdesc serialVersionUID = 4191415547509391246, local class serialVersionUID = 7717056544730499359
     at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
     at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
     at java.io.ObjectInputStream.readClassDesc(Unknown Source)
     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
     at java.io.ObjectInputStream.readObject0(Unknown Source)
     at java.io.ObjectInputStream.readObject(Unknown Source)
     at iTrade.Fut.Applet.QuotationApplet.jbInit(QuotationApplet.java:332)
     at iTrade.Fut.Applet.QuotationApplet.init(QuotationApplet.java:229)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)

Try
openssl s_client -connect localhost:8443
-Vijay

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Tomcat serializes sessions to the hard drive when it shutsdown. If you don't want this you have three choices:
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hi, thanks for the reply,
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Well the problem with loaded classes: As i mentioned in the post above i can instantiate an object of TestMessage in the code without any problems (so the classloader of my webapp should know the class!!)
only when reading from the objectinputstream the classloader doesn't seem to know the class?? maybe theres a parent classloader resposible for that and doesn't know the class?
strange behaviour...
p.s. sending the same object from the servlet to the client works well
regards
daniel
Message was edited by:
theazazel

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type Status report
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Serialization problem with FlashPlayer 10.1

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========================
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==========
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cd
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I have settle the problem myself!
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Cheers
Elwyn

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-C

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at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)

Hi,
the petstore needs some of the services of a Java EE 5 application server to run. It uses some technologies that are part of Java EE 5like annotations, Java Persistence Objeects, JSF 1.2 etc.
This FAQ lists some of the things needed.
https://blueprints.dev.java.net/petstore/faq.html#tomcat
You would have to do some work yourself to get it to run on tomcat as there are not full instructions on how to do this.
hth,
Sean

Serializable problem in Tomcat

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