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Home » Eclipse Projects » Platform - User Assistance (UA) » IOException resulting in JasperException: unable to compile class for JSP
IOException resulting in JasperException: unable to compile class for JSP [message #623446] Tue, 21 July 2009 19:54
Bill Blalock is currently offline Bill BlalockFriend
Messages: 119
Registered: July 2009
Location: Alabama
Senior Member
Has anyone run into this?

- Help throws an IOException: tmpFile.renameTo(classFile) failed
- a lot of stack trace
- and then a JasperException or two
Jul 21, 2009 2:39:05 PM org.mortbay.jetty.servlet.ServletHandler
org.apache.jasper.JasperException: Unable to compile class for JSP
- and a lot more stack traces

I don't believe this is an problem. I think it is caused by
security software not getting out of the way quickly enough. To
agressively inspecting things on the system and having a lock on them
while Help tries to use them.

This pretty much happens whenever an Eclipse 3.4 starts Help ... in my
applications, in Eclipse SDK and in IBM RDi 7.5. And it is random.
Sometimes it works on the initial openning of the Help system.

Most of the time I get some form of failure on the first try, by the 3rd
or 4th Help access it will settle down.

Has anyone else run into something like this? If so I'd appreciate any
suggestion as to what to do with it. Are there any preferences which
effect this behavior? Any trick when writing my RCPs which use Help to
avoid this?

Again, I don't think this is an Eclipse problem ... more a question of
living with security.

Thanks all
Bill Blalock
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