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Home » Language IDEs » Java Development Tools (JDT) » Error when open file
Error when open file [message #1490758] Fri, 28 November 2014 12:11 Go to next message
Jochen Rittmann is currently offline Jochen RittmannFriend
Messages: 1
Registered: November 2014
Junior Member
Hello,

i´am using Eclpse 3.7.2.

When i try to open a file, an error occores

!ENTRY org.eclipse.ui.workbench 4 2 2014-11-28 12:26:35.643
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".
!STACK 0
java.lang.NoClassDefFoundError: org/eclipse/jpt/common/utility/Command
at org.eclipse.jpt.jpa.core.JptJpaCorePlugin.buildJpaProjectManager(JptJpaCorePlugin.java:791)
at org.eclipse.jpt.jpa.core.JptJpaCorePlugin.getJpaProjectManager_(JptJpaCorePlugin.java:784)
at org.eclipse.jpt.jpa.core.JptJpaCorePlugin.getJpaProjectManager(JptJpaCorePlugin.java:248)

Can someone help to solve it?

Thank you,
Jochen
Re: Error when open file [message #1491988 is a reply to message #1490758] Sat, 29 November 2014 12:23 Go to previous message
Stephan Herrmann is currently offline Stephan HerrmannFriend
Messages: 1828
Registered: July 2009
Senior Member
I have no solution, but from the class names in the error message we see that this is a problem of the Java Persistence Tools (jpt) .
Their forum is https://www.eclipse.org/forums/index.php/f/113/

Looks like an incompatible combination of plugin versions, btw.

best,
Stephan
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