This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.

Bug 254071

Summary:	java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode
Product:	editor	Reporter:	IrianR
Component:	Code folding	Assignee:	Svata Dedic <sdedic>
Status:	RESOLVED FIXED
Severity:	normal
Priority:	P3
Version:	8.1
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	218921
Attachments:	stacktrace

Description IrianR 2015-08-02 12:18:33 UTC

Build: NetBeans IDE 8.1 Beta (Build 201507302201)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.25-b02, Java(TM) SE Runtime Environment, 1.8.0_25-b18
OS: Windows 7

User Comments:
IrianR: Was doing code folding tests and changing the folding defaults when i got this.

I was fiddling with specific Java editor settings to reset them to default state, the went to the all languages setting to also reset them to default, the exception popped up when I pressed the Apply button.




Stacktrace: 
java.util.ConcurrentModificationException
   at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
   at java.util.HashMap$ValueIterator.next(HashMap.java:1458)
   at org.netbeans.modules.editor.fold.ui.FoldOptionsController.detectIsChanged(FoldOptionsController.java:306)
   at org.netbeans.modules.editor.fold.ui.FoldOptionsController.preferenceChange(FoldOptionsController.java:215)
   at sun.reflect.GeneratedMethodAccessor48.invoke(GeneratedMethodAccessor48.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

Comment 1 IrianR 2015-08-02 12:18:36 UTC

Created attachment 155122 [details]
stacktrace

Comment 2 Svata Dedic 2015-08-03 08:10:24 UTC

Fixed, proper synchronization needed as options are saved in a dedicated thread and nested pref events are fired in another (and UI works in yet another one). jet-main#2a6be940884f

Comment 3 Quality Engineering 2015-08-05 01:20:01 UTC

Integrated into 'main-silver', will be available in build *201508050002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)

Changeset: http://hg.netbeans.org/main-silver/rev/2a6be940884f
User: Svata Dedic <sdedic@netbeans.org>
Log: #254071: synchronized access to panel preferences