"HTTP ERROR: 500" in Studio when selecting "Help Contents" from the Help menu

[TalendSolutionExpert]

Symptom

When Help Contents is selected from the Studio Help menu, the following error appears:

HTTP ERROR: 500
Problem accessing /help/index.jsp. Reason:
      Server Error
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Solution

This issue has been resolved in Talend Studio 6.4.1.

The work-around for 6.3.1 is to use the F1 key to open the help panel instead.