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When I start a debugging the session and it stops at a break point, the "Debugging" viewer (in left hand side panel) is empty where it should display the callstack. It will be painted if I force a refresh of the view by either closing another tab (for example Services), or I click on one of the view settings buttons (for example the "Show less" button). It can easily reproduced. I use NB 7.0 beta2.
I can reproduce it only when "Show thread groups" button is on. I did not encounter any problem in the default mode.
I have not seen this. If the "Show thread groups" button is turned on, it still opens showing thread groups and not empty. What JDK do you use Jean-Marc?
Here is my dump: Product Version: NetBeans IDE 7.0 Beta 2 (Build 201102111519) Java: 1.7.0-ea; Java HotSpot(TM) Client VM 17.0-b03 System: Windows XP version 5.1 running on x86; Cp1252; en_US (nb) Userdir: H:\projects\.netbeans\7.0beta2
Oh, it's JDK 7! Does it work correctly with JDK 6 Update 23?
Unfornately also verified with: Product Version: NetBeans IDE 7.0 Beta 2 (Build 201102111519) Java: 1.6.0_23; Java HotSpot(TM) Client VM 19.0-b09 System: Windows XP version 5.1 running on x86; Cp1252; en_US (nb) Userdir: H:\projects\.netbeans\7.0beta2 Steps to reproduce: - start a debugging session - enable "Show thread groups" - stop debugging - start a new debugging session: the Debugging view is empty as long as you don't force a refresh by either resizing the panel or (un)check any of the debug view options.
Created attachment 106022 [details] Bug screenshot Screenshot of bug
Created attachment 106025 [details] Debugging view showing thread groups I am sorry but I cannot reproduce it either with build from February 10th or 14th. This is what is displayed on my Linux Mint 10 with JDK 6 Update 23. The window is never empty. Martine, you said you could reproduce it?
Yes, I can reproduce this on Ubuntu 10.10 very often. Not always, but in majority of attempts the Debugging window is empty. It does not depend on JDK version, it's more likely dependent on threading. It seems that it's more probable to occur if I open Watches window and move it to the left side of the output area so that it is visible together with Variables. It looks like the more work is done when debugger is starting, the more likely Debugging window gets empty. I hope I'll have a fix for this soon.
This is what I get on the IDE log when starting debugging: Adding a fold that is identical with another previously added fold from the same FoldManager is not allowed. Existing fold: [code-block] E1 <7942,8009>, desc='{...}', hash=0xeab7ba, [7943, 8008] {7943, 8008}; FoldManager: org.netbeans.modules.java.editor.fold.JavaElementFoldManager@13be596 New fold: [code-block] E1 <7942,8009>, desc='{...}', hash=0x15e1c1c, [7943, 8008] {7943, 8008}; FoldManager: org.netbeans.modules.java.editor.fold.JavaElementFoldManager@13be596 Adding a fold that is identical with another previously added fold from the same FoldManager is not allowed. Existing fold: [code-block] E1 <7942,8009>, desc='{...}', hash=0xeab7ba, [7943, 8008] {7943, 8008}; FoldManager: org.netbeans.modules.java.editor.fold.JavaElementFoldManager@13be596 New fold: [code-block] E1 <7942,8009>, desc='{...}', hash=0x15e1c1c, [7943, 8008] {7943, 8008}; FoldManager: org.netbeans.modules.java.editor.fold.JavaElementFoldManager@13be596
It's hopefully fixed by changeset: 188809:75584ccc2c30 http://hg.netbeans.org/main/rev/75584ccc2c30 The warnings in the log file are from Editor (folds in the editor), not debugger.
Integrated into 'main-golden', will be available in build *201102170501* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main/rev/75584ccc2c30 User: mentlicher@netbeans.org Log: #195293 Refresh all parent groups to the root node when a group is added.