Date: 2004-05-20T13:16:06
Editor: RobertBurrellDonkin <[EMAIL PROTECTED]>
Wiki: Jakarta Commons Wiki
Page: ValidatorNoClassDefFound
URL: http://wiki.apache.org/jakarta-commons/ValidatorNoClassDefFound
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4. November 2002
I am getting a really strange behaviour when using the struts validator.
Infact I am beginning to wonder whether it�s just me going nuts! It�s
an error that makes no sense to me at all!
Here�s the scenario:
1. Start tomcat
1. open browser
1. go to form in html page
1. send
Now the strange thing is that every second time (after closing the 2 of
course) I carry out the steps described above I get a
{{{
java.lang.NoClassDefFoundError: org.apache.struts.validator.ValidatorForm
}}}
error! Why not every time or even never?! It just doesn�t make sense
t o me that this error comes in exactly the interval as described above.
Has anybody else experienced a similar problem which might be worth
sharing?
I know it sounds silly but that is exactly what is happening!
== Answer ==
It seems that this is a session issue and the solution was to
change the context in the tomcat server.xml:
I.e. I added:
{{{
<Manager className="org.apache.catalina.session.PersistentManager"
debug="4"
saveOnRestart="false" <-------
maxActiveSessions="-1"
minIdleSwap="-1"
maxIdleSwap="-1"
maxIdleBackup="-1">
<Store className="org.apache.catalina.session.FileStore"/>
</Manager>
}}}
to my Context.
Michael Delamere
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