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Home » Eclipse Projects » Plugin Development Environment (PDE) » NoClassDefFoundError on startup
NoClassDefFoundError on startup [message #597278] Tue, 12 May 2009 15:31
Matt Sither is currently offline Matt SitherFriend
Messages: 33
Registered: July 2009
Member
I recently upgarded to a new version of eclipse (3.5M6), and I was initially
able to use my existing Run/Debug configurations. But now (I have no idea
what changed between yesterday and today) I get a BundleException that says
my activator is invalid, caused by a NoClassDefFoundError. I checked the
run config by clicking "Add Required Plug-ins" and "Validate Plug-ins", and
no problems are detected. I had been trying to upgrade to 3.5M7 but ran
into issues manually dropping in the log4j plug-in, so I reverted back to
M6, and there's a chance there might be some M7 plugin(s) lingering. Could
that cause the error I'm seeing? Should I just wipe the slate clean and
start installing M6 all over again?

Thanks.
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