Bug 4883 - Formatting a document multiple times in a row results in a fatal crash
Summary: Formatting a document multiple times in a row results in a fatal crash
Status: RESOLVED FIXED
Alias: None
Product: Xamarin Studio
Classification: Desktop
Component: Text Editor ()
Version: 2.9.x
Hardware: PC Mac OS
: --- normal
Target Milestone: ---
Assignee: Mike Krüger
URL:
Depends on:
Blocks:
 
Reported: 2012-05-04 10:39 UTC by PJ
Modified: 2012-05-04 11:15 UTC (History)
1 user (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED FIXED

Description PJ 2012-05-04 10:39:42 UTC
Hit CMD I (Mac) a few times in a row (rapidly):

System.NullReferenceException: Object reference not set to an instance of an object
  at Mono.TextEditor.HeightTree.LogicalToVisualLine (Int32 logicalLine) [0x00009] in /Users/builder/data/lanes/monodevelop-mac-master/aea1769d/source/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/HeightTree.cs:343 
  at Mono.TextEditor.TextEditorData.LogicalToVisualLine (Int32 logicalLine) [0x00000] in /Users/builder/data/lanes/monodevelop-mac-master/aea1769d/source/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/TextEditorData.cs:1373 
  at Mono.TextEditor.TextEditor.UpdateAdjustments () [0x00000] in /Users/builder/data/lanes/monodevelop-mac-master/aea1769d/source/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextEditor.cs:1651 
  at Mono.TextEditor.TextEditor.OnExposeEvent (Gdk.EventExpose e) [0x0000d] in /Users/builder/data/lanes/monodevelop-mac-master/aea1769d/source/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextEditor.cs:1665 
  at Gtk.Widget.exposeevent_cb (IntPtr widget, IntPtr evnt) [0x00000] in <filename unknown>:0 

http://screencast.com/t/XiMDid2jTcr

https://gist.github.com/2595153

Leaving as normal because the repetition rate needed to experience the issue is high.
Comment 1 PJ 2012-05-04 10:40:53 UTC
Whoops. I mean Control + I (whatever your keybinding is for 'Format Document')
Comment 2 Mike Krüger 2012-05-04 11:15:23 UTC
The height tree from master doesn't do that - I backported it to the branch.