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Error preloading servlet: unable to open './user_classes'

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I've worked out a flex-application which runs perfectly on
tomcat 5.5, for testing purposes, but now needs to be deployed to
an OC4J instance.



I've followed the guidelines regarding securityException en
userThreads, the arguments you need to define on your JVM and this
all works fine.



The trouble I'm having now, is that I can't view my
mxml-application because of the following exception:

Error preloading Servlet

javax.servlet.ServletException: flex-config.xml(84): Error:
unable to open './user_classes'.



I haven't reconfigured or redefined the flex-config.xml file
nor have I added code inside the user_classes folder so I don't
understand the exact issue?



Searching on the internet didn't give any explanation or clue
regarding this deployment-issue.



Kind regards,

Nathalie
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