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Bug 339367 - Initializing Java Tooling has encountered a problem
Summary: Initializing Java Tooling has encountered a problem
Status: RESOLVED WORKSFORME
Alias: None
Product: z_Archived
Classification: Eclipse Foundation
Component: Mylyn (show other bugs)
Version: unspecified   Edit
Hardware: PC Windows XP
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Mylyn Inbox CLA
QA Contact:
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Reported: 2011-03-09 10:19 EST by PurnachandraRao CLA
Modified: 2011-03-10 17:20 EST (History)
2 users (show)

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Attachments
Initializing Java Tooling has encountered a problem (601.67 KB, application/octet-stream)
2011-03-09 10:19 EST, PurnachandraRao CLA 		no flags Details
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Description PurnachandraRao CLA 2011-03-09 10:19:05 EST 
Created attachment 190762 [details]
Initializing Java Tooling has encountered a problem

Initializing Java Tooling has encountered a problem.
Comment 1 Carl Anderson CLA 2011-03-09 12:10:32 EST 
Everything comes down to the initial problem:

Caused by: java.lang.ClassNotFoundException: org.eclipse.mylyn.internal.commons.net.WebClientLog

I an routing this bug over to Mylyn.
Comment 2 Steffen Pingel CLA 2011-03-09 16:32:29 EST 
Which version of Eclipse and Mylyn are you using? It seems that the versions of the tasks and  commons plug-ins are from different Mylyn versions as  WebClientLog was removed a while ago.
Comment 3 Steffen Pingel CLA 2011-03-10 17:08:20 EST 
It looks like some plug-ins are duplicated:

org.eclipse.mylyn (3.0.2.v20080918-1100-e3x) "Mylyn" [Starting]
org.eclipse.mylyn (3.0.4.v20090122-1000-e3x) "Mylyn" [Starting]
org.eclipse.mylyn.commons.net (3.0.2.v20080918-1100-e3x) "Mylyn Commons Net" [Starting]
org.eclipse.mylyn.commons.net (3.0.4.v20090122-1000-e3x) "Mylyn Commons Net" [Active]
org.eclipse.mylyn.commons.ui (3.0.2.v20080918-1100-e3x) "Mylyn Commons UI" [Starting]
org.eclipse.mylyn.commons.ui (3.0.4.v20090122-1000-e3x) "Mylyn Commons UI" [Active]

You would need to remove the older versions from your plug-ins folder.
Comment 4 Steffen Pingel CLA 2011-03-10 17:20:09 EST 
Unfortunately there is nothing that we can do from this end. It's a problem with the installation. As a work-around please try manually deleting the duplicated plugins or re-installing Mylyn.