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An internal error occurred during: "Launching ..." [message #870846] Wed, 09 May 2012 21:16 Go to next message
Missing name Mising name is currently offline Missing name Mising nameFriend
Messages: 28
Registered: November 2010
Junior Member
Recently, I often get this error message when I launch my Java application in Eclipse.

This is the error message. I googled a while but haven't found the exact reason.
Any clue on this? Thanks a lot. in the error log, it shows org.eclipse.core.jobs plugin-in related.

An internal error occurred during: "Launching BaseGenerator".

Exception stack trace:
java.lang.NullPointerException
at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:101)
at org.eclipse.visualvm.launcher.java.VisualVMJavaDelegate.launch(VisualVMJavaDelegate.java:44)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:853)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:702)
at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:924)
at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1128)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

[Updated on: Wed, 09 May 2012 21:18]

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Re: An internal error occurred during: "Launching ..." [message #870944 is a reply to message #870846] Thu, 10 May 2012 10:15 Go to previous messageGo to next message
Satyam Kandula is currently offline Satyam KandulaFriend
Messages: 444
Registered: July 2009
Senior Member
May be an issue with VisualVM or may be something like https://bugs.eclipse.org/bugs/show_bug.cgi?id=245883. Does it work without using VisualVM?

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Re: An internal error occurred during: "Launching ..." [message #871095 is a reply to message #870944] Thu, 10 May 2012 19:50 Go to previous message
Missing name Mising name is currently offline Missing name Mising nameFriend
Messages: 28
Registered: November 2010
Junior Member
yes, recently i installed VisualVM and it might cause that problem silently. I will remove VisualVM and see how it goes.

But why does it has anything to do with that tool?

thanks.

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