165347 – NullPointerException at org.netbeans.modules.editor.NbToolTip$Request.run

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Bug 165347 - NullPointerException at org.netbeans.modules.editor.NbToolTip$Request.run

Summary: NullPointerException at org.netbeans.modules.editor.NbToolTip$Request.run

Status:	VERIFIED FIXED

Alias:	None

Product:	editor
Classification:	Unclassified
Component:	Navigation (show other bugs)
Version:	6.x
Hardware:	All All

Importance:	P1 blocker (vote)
Assignee:	Vitezslav Stejskal

URL:	http://statistics.netbeans.org/except...
Keywords:	RANDOM, THREAD

Duplicates (1):	165894 (view as bug list)
Depends on:
Blocks:

Reported:	2009-05-17 16:34 UTC by Torbjorn Norbye
Modified:	2009-05-29 17:58 UTC (History)
CC List:	15 users (show)

See Also:
Issue Type:	DEFECT
Exception Reporter:	150500

Attachments
stacktrace (2.52 KB, text/plain) 2009-05-17 16:34 UTC, Torbjorn Norbye	Details
stacktrace (2.52 KB, text/plain) 2009-05-18 18:46 UTC, Michal Mocnak	Details
stacktrace (2.52 KB, text/plain) 2009-05-18 22:18 UTC, ulfzibis	Details
stacktrace (2.52 KB, text/plain) 2009-05-18 23:04 UTC, ulfzibis	Details
stacktrace (2.52 KB, text/plain) 2009-05-20 11:26 UTC, _ theanuradha	Details
stacktrace (2.08 KB, text/plain) 2009-05-25 22:30 UTC, areeda	Details
stacktrace (2.08 KB, text/plain) 2009-05-27 07:47 UTC, malakim	Details
stacktrace (2.08 KB, text/plain) 2009-05-27 08:51 UTC, dynamite	Details
stacktrace (2.08 KB, text/plain) 2009-05-27 11:08 UTC, aldobrucale	Details
stacktrace (2.08 KB, text/plain) 2009-05-27 21:17 UTC, esmithbss	Details
stacktrace (2.08 KB, text/plain) 2009-05-28 03:46 UTC, areeda	Details
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Description Torbjorn Norbye 2009-05-17 16:34:45 UTC

Build: NetBeans IDE Dev (Build 090516)
VM: Java HotSpot(TM) 64-Bit Server VM, 11.3-b02-77, Java(TM) SE Runtime Environment, 1.6.0_13-b03-196
OS: Mac OS X, 10.5.6, x86_64

User Comments:
tor: Tried to ctrl-click to go to declaration, in a build fresh as of yesterday (May 16)

rclokie: alt-hovered over "assert" keyword after just #including it



Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed: java.lang.NullPointerException
        at org.openide.util.RequestProcessor$Item.fillInStackTrace(RequestProcessor.java:853)
        at java.lang.Throwable.<init>(Throwable.java:181)
        at java.lang.Exception.<init>(Exception.java:29)
        at org.openide.util.RequestProcessor$Item.<init>(RequestProcessor.java:819)
        at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:629)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:295)

Comment 1 Torbjorn Norbye 2009-05-17 16:34:50 UTC

Created attachment 82257 [details]
stacktrace

Comment 2 Vitezslav Stejskal 2009-05-18 12:06:02 UTC

Race condition in NbTooltip.Request.

Comment 3 Michal Mocnak 2009-05-18 18:46:21 UTC

Build: NetBeans IDE Dev (Build 200905180201)
VM: Java HotSpot(TM) 64-Bit Server VM, 11.3-b02, Java(TM) SE Runtime Environment, 1.6.0_13-b03
OS: Linux, 2.6.26-2-amd64, amd64

User Comments: 
Editing java file

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed: java.lang.NullPointerException
        at org.openide.util.RequestProcessor$Item.fillInStackTrace(RequestProcessor.java:853)
        at java.lang.Throwable.<init>(Throwable.java:181)
        at java.lang.Exception.<init>(Exception.java:29)
        at org.openide.util.RequestProcessor$Item.<init>(RequestProcessor.java:819)
        at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:629)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:295)

Comment 4 Michal Mocnak 2009-05-18 18:46:26 UTC

Created attachment 82340 [details]
stacktrace

Comment 5 ulfzibis 2009-05-18 22:18:12 UTC

Build: NetBeans IDE Dev (Build 200905160201)
VM: Java HotSpot(TM) Client VM, 11.2-b01, Java(TM) SE Runtime Environment, 1.6.0_12-b04
OS: Windows XP, 5.1, x86

User Comments: 


Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed: java.lang.NullPointerException
        at org.openide.util.RequestProcessor$Item.fillInStackTrace(RequestProcessor.java:853)
        at java.lang.Throwable.<init>(Throwable.java:181)
        at java.lang.Exception.<init>(Exception.java:29)
        at org.openide.util.RequestProcessor$Item.<init>(RequestProcessor.java:819)
        at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:629)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:295)

Comment 6 ulfzibis 2009-05-18 22:18:23 UTC

Created attachment 82352 [details]
stacktrace

Comment 7 ulfzibis 2009-05-18 23:04:16 UTC

Build: NetBeans IDE Dev (Build 200905160201)
VM: Java HotSpot(TM) Client VM, 11.2-b01, Java(TM) SE Runtime Environment, 1.6.0_12-b04
OS: Windows XP, 5.1, x86

User Comments: 


Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed: java.lang.NullPointerException
        at org.openide.util.RequestProcessor$Item.fillInStackTrace(RequestProcessor.java:853)
        at java.lang.Throwable.<init>(Throwable.java:181)
        at java.lang.Exception.<init>(Exception.java:29)
        at org.openide.util.RequestProcessor$Item.<init>(RequestProcessor.java:819)
        at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:629)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:295)

Comment 8 ulfzibis 2009-05-18 23:04:25 UTC

Created attachment 82355 [details]
stacktrace

Comment 9 Exceptions Reporter 2009-05-20 11:05:09 UTC

This issue already has 10 duplicates 
see http://statistics.netbeans.org/exceptions/detail.do?id=150500

Comment 10 _ theanuradha 2009-05-20 11:26:17 UTC

Build: NetBeans IDE Dev (Build 090518)
VM: OpenJDK Client VM, 14.0-b10, Java(TM) SE Runtime Environment, 1.6.0_14-ea-b01
OS: Windows XP, 5.1, x86

User Comments: 
When editing 

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed: java.lang.NullPointerException
        at org.openide.util.RequestProcessor$Item.fillInStackTrace(RequestProcessor.java:853)
        at java.lang.Throwable.<init>(Throwable.java:181)
        at java.lang.Exception.<init>(Exception.java:29)
        at org.openide.util.RequestProcessor$Item.<init>(RequestProcessor.java:819)
        at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:629)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:295)

Comment 11 _ theanuradha 2009-05-20 11:26:36 UTC

Created attachment 82469 [details]
stacktrace

Comment 12 Vitezslav Stejskal 2009-05-25 11:58:57 UTC

*** Issue 165894 has been marked as a duplicate of this issue. ***

Comment 13 areeda 2009-05-25 22:30:14 UTC

Build: NetBeans IDE Dev (Build 200905211401)
VM: Java HotSpot(TM) Client VM, 11.3-b02, Java(TM) SE Runtime Environment, 1.6.0_13-b03
OS: Windows Vista, 6.0, x86

User Comments: 
trying to learn Java3D

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed due to: java.lang.NullPointerException
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:267)
        at org.netbeans.modules.editor.NbToolTip.buildTip(NbToolTip.java:292)
        at org.netbeans.modules.editor.NbToolTip.buildToolTip(NbToolTip.java:109)
        at org.netbeans.modules.editor.NbEditorKit$NbBuildToolTipAction.actionPerformed(NbEditorKit.java:615)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:325)
        at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:115)

Comment 14 areeda 2009-05-25 22:30:19 UTC

Created attachment 82761 [details]
stacktrace

Comment 15 malakim 2009-05-27 07:47:09 UTC

Build: NetBeans IDE Dev (Build 200905211401)
VM: Java HotSpot(TM) Client VM, 11.3-b02, Java(TM) SE Runtime Environment, 1.6.0_13-b03
OS: Windows Vista, 6.0, x86

User Comments: 
CTRL-clicking a method name to jump to it's definition (J2ME project)

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed due to: java.lang.NullPointerException
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:267)
        at org.netbeans.modules.editor.NbToolTip.buildTip(NbToolTip.java:292)
        at org.netbeans.modules.editor.NbToolTip.buildToolTip(NbToolTip.java:109)
        at org.netbeans.modules.editor.NbEditorKit$NbBuildToolTipAction.actionPerformed(NbEditorKit.java:615)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:325)
        at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:115)

Comment 16 malakim 2009-05-27 07:47:14 UTC

Created attachment 82833 [details]
stacktrace

Comment 17 dynamite 2009-05-27 08:51:07 UTC

Build: NetBeans IDE Dev (Build 200905260201)
VM: Java HotSpot(TM) Client VM, 11.3-b02, Java(TM) SE Runtime Environment, 1.6.0_13-b03
OS: Windows XP, 5.1, x86

User Comments: 
Not quite sure what I was doing here.  I think I was trying to click somewhere in my Java source.  The Java source did have a error on it.

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed due to: java.lang.NullPointerException
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:267)
        at org.netbeans.modules.editor.NbToolTip.buildTip(NbToolTip.java:292)
        at org.netbeans.modules.editor.NbToolTip.buildToolTip(NbToolTip.java:109)
        at org.netbeans.modules.editor.NbEditorKit$NbBuildToolTipAction.actionPerformed(NbEditorKit.java:615)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:325)
        at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:115)

Comment 18 dynamite 2009-05-27 08:51:12 UTC

Created attachment 82837 [details]
stacktrace

Comment 19 Marian Mirilovic 2009-05-27 10:04:36 UTC

20 dups in last 3 weeks ... any chance to fix that for 6.7 ?

Comment 20 aldobrucale 2009-05-27 11:08:27 UTC

Build: NetBeans IDE Dev (Build 200905241401)
VM: Java HotSpot(TM) Client VM, 11.3-b02, Java(TM) SE Runtime Environment, 1.6.0_13-b03
OS: Linux, 2.6.28-11-generic, i386

User Comments: 
go to class via ctrl-click

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed due to: java.lang.NullPointerException
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:267)
        at org.netbeans.modules.editor.NbToolTip.buildTip(NbToolTip.java:292)
        at org.netbeans.modules.editor.NbToolTip.buildToolTip(NbToolTip.java:109)
        at org.netbeans.modules.editor.NbEditorKit$NbBuildToolTipAction.actionPerformed(NbEditorKit.java:615)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:325)
        at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:115)

Comment 21 aldobrucale 2009-05-27 11:08:33 UTC

Created attachment 82849 [details]
stacktrace

Comment 22 Vitezslav Stejskal 2009-05-27 13:02:20 UTC

I'll have a look.

Comment 23 Vitezslav Stejskal 2009-05-27 14:56:14 UTC

This should fix it - http://hg.netbeans.org/jet-main/rev/5422d3698b83. Jirko could you please verify the fix, if
possible at all. Milo could you please review? Thanks

Comment 24 Miloslav Metelka 2009-05-27 15:06:02 UTC

I approve the fix.

Comment 25 Jiri Prox 2009-05-27 17:54:45 UTC

verified in trunk

Comment 26 esmithbss 2009-05-27 21:17:21 UTC

Build: NetBeans IDE Dev (Build 200905260201)
VM: Java HotSpot(TM) Client VM, 11.3-b02, Java(TM) SE Runtime Environment, 1.6.0_13-b03
OS: Windows XP, 5.1, x86

User Comments: 
Using Go To Source to navigate my way through a MIDP mobile application

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed due to: java.lang.NullPointerException
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:267)
        at org.netbeans.modules.editor.NbToolTip.buildTip(NbToolTip.java:292)
        at org.netbeans.modules.editor.NbToolTip.buildToolTip(NbToolTip.java:109)
        at org.netbeans.modules.editor.NbEditorKit$NbBuildToolTipAction.actionPerformed(NbEditorKit.java:615)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:325)
        at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:115)

Comment 27 esmithbss 2009-05-27 21:17:36 UTC

Created attachment 82887 [details]
stacktrace

Comment 28 areeda 2009-05-28 03:46:39 UTC

Build: NetBeans IDE Dev (Build 200905260201)
VM: Java HotSpot(TM) Client VM, 11.3-b02, Java(TM) SE Runtime Environment, 1.6.0_13-b03
OS: Windows Vista, 6.0, x86

User Comments: 
editing java source code.  Moving lines around.

Stacktrace: 
org.openide.util.RequestProcessor$Item: task failed due to: java.lang.NullPointerException
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:267)
        at org.netbeans.modules.editor.NbToolTip.buildTip(NbToolTip.java:292)
        at org.netbeans.modules.editor.NbToolTip.buildToolTip(NbToolTip.java:109)
        at org.netbeans.modules.editor.NbEditorKit$NbBuildToolTipAction.actionPerformed(NbEditorKit.java:615)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:325)
        at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:115)

Comment 29 areeda 2009-05-28 03:46:47 UTC

Created attachment 82891 [details]
stacktrace

Comment 30 Quality Engineering 2009-05-28 08:44:16 UTC

Integrated into 'main-golden', will be available in build *200905280201* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
Changeset: http://hg.netbeans.org/main-golden/rev/5422d3698b83
User: Vita Stejskal <vstejskal@netbeans.org>
Log: #165347: slightly more careful access to tss field

Comment 31 Vitezslav Stejskal 2009-05-28 10:18:36 UTC

Transplanted to release67 as http://hg.netbeans.org/release67/rev/f8627cf8861c.

Comment 32 Jiri Prox 2009-05-29 14:24:55 UTC

verified in 6.7