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ClassNotFoundException and Serialized Session ??

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Lee Turner

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Apr 10, 2001, 7:23:15 AM4/10/01
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Hi,

I am in the process of tidying up our installation of Weblogic Server 5.1
SP7 (Linux Red Hat 6.2). In doing this I am attempting to take some of the
old code installed in different places on the server and create a WebApp
with it. I thought this would be an easy task, but I am starting up the
server and without doing anything else, I get the following error:

Tue Apr 10 12:00:23 GMT+01:00 2001:<I> <WebLogicServer> WebLogic Server
started
Tue Apr 10 12:01:22 GMT+01:00 2001:<E> <HttpSessionContext> Error loading
serialized session data for session
OtLnNhm8yNmDLOmy5sY4GnKdgwH7Lk7FPR1y0wytnDg6m6NK0SWP|-8304416861180688190/-1
073100750/6/7001/7001/7002/7002/7001/-1
java.lang.ClassNotFoundException: com.gilchrist.client.UserInfo
at
weblogic.utils.classloaders.GenericClassLoader.reallyLoadClass(GenericClassL
oader.java:382)
at
weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.
java:183)
at
weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.
java:157)
at
weblogic.servlet.internal.SessionObjectInputStream.resolveClass(SessionObjec
tInputStream.java:28)
at
java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:918)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:366)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1186)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at weblogic.utils.UnsyncHashtable.readExternal(UnsyncHashtable.java:436)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1212)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at
weblogic.servlet.internal.session.SessionData.readExternal(SessionData.java:
297)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1212)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at
weblogic.servlet.internal.session.FileSessionContext.loadSession(FileSession
Context.java:467)
at
weblogic.servlet.internal.session.FileSessionContext.invalidateSession(FileS
essionContext.java:391)
at
weblogic.servlet.internal.session.SessionContext$SessionInvalidator.invalida
teSessions(SessionContext.java:502)
at
weblogic.servlet.internal.session.SessionContext$SessionInvalidator.trigger(
SessionContext.java:479)
at
weblogic.time.common.internal.ScheduledTrigger.executeLocally(ScheduledTrigg
er.java:197)
at
weblogic.time.common.internal.ScheduledTrigger.execute(ScheduledTrigger.java
:191)
at weblogic.time.server.ScheduledTrigger.execute(ScheduledTrigger.java:60)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:129)


com.gilchrist.client.UserInfo is one of the classes that I have moved into
the WebApp directory structure. If I leave the server, this error keeps on
happening again and again. How can I get rid of this session information as
it is only a development server that I am working on so it is not needed.

Thanks in advance !

Lee


_________________________________

Lee Turner
Systems Developer
_________________________________

Watt Gilchrist Ltd
Ring Road, West Park
Leeds, LS16 6RA
Tel: 0113 288 3200
Fax: 0113 275 1690
http://www.wattgilchrist.co.uk
_________________________________

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