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Bug 349883 - Failure in systemtap set-up causes Call Graph UI to throw NullPointerException
Summary: Failure in systemtap set-up causes Call Graph UI to throw NullPointerException
Status: RESOLVED FIXED
Alias: None
Product: Linux Tools
Classification: Tools
Component: Call Graph (show other bugs)
Version: 0.8.0   Edit
Hardware: PC Linux
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Roland Grunberg CLA
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Reported: 2011-06-20 17:59 EDT by Jeff Johnston CLA
Modified: 2012-10-10 13:25 EDT (History)
3 users (show)

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Description Jeff Johnston CLA 2011-06-20 17:59:49 EDT 
If the systemtap script for Call Graph isn't run properly (e.g. user is not part of stapdev group), the Call Graph view is empty.  Clicking on alternate views such as Tree View or Radial View causes a NullPointerException as the UI is not prepared with checks for an empty root.
Comment 1 Lukas Berk CLA 2012-10-10 13:17:37 EDT 
fixed in commit 43a682f
Comment 2 Sami Wagiaalla CLA 2012-10-10 13:25:13 EDT 
Fixed by Lukas