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ClassNotFoundException when running Java application inside PDE project [message #598134]

Sat, 06 June 2009 23:23

Will Horn

Messages: 265
Registered: July 2009

Senior Member

Occassionally when I am working on a plug-in, I will hack together a quick
class with a main method and run it from inside the project. I do this
especially to test little SWT or JFace ideas. Usually this works fine and
the Java classpath has all the necessary jars. I tried this today on 3.5RC3
and I got a ClassNotFoundException.

The reason is that a transitive dependency was not available:

myplugin -> org.eclipse.core.databinding ->
org.eclipse.core.databinding.property

I totally agree that the transitive dependency should not be on the compile
time classpath, but why not on the runtime classpath? Maybe this was never
supposed to work, and I just got lucky in the past.

-Will

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