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Bug 250352

Summary:	java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification
Product:	ide	Reporter:	wjdhamilton
Component:	Extbrowser	Assignee:	Jan Stola <jstola>
Status:	RESOLVED FIXED
Severity:	normal
Priority:	P3
Version:	8.0
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	196996
Attachments:	stacktrace

Description wjdhamilton 2015-02-10 21:09:46 UTC

Build: NetBeans IDE 8.0.2 (Build 201411181905)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.31-b07, Java(TM) SE Runtime Environment, 1.8.0_31-b13
OS: Windows 8

User Comments:
wjdhamilton: Unfortunately I can't be specific, but I am working on an HTML5 project, and have noticed issues with netbeans connector




Stacktrace: 
java.util.ConcurrentModificationException
   at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
   at java.util.ArrayList$Itr.next(ArrayList.java:851)
   at org.netbeans.modules.extbrowser.plugins.ExternalBrowserPlugin.closeOtherDebuggingSessionsWithPageInspector(ExternalBrowserPlugin.java:282)
   at org.netbeans.modules.extbrowser.plugins.ExternalBrowserPlugin.access$1800(ExternalBrowserPlugin.java:85)
   at org.netbeans.modules.extbrowser.plugins.ExternalBrowserPlugin$BrowserTabDescriptor.init(ExternalBrowserPlugin.java:821)
   at org.netbeans.modules.extbrowser.plugins.ExternalBrowserPlugin$BrowserTabDescriptor.access$300(ExternalBrowserPlugin.java:723)

Comment 1 wjdhamilton 2015-02-10 21:09:48 UTC

Created attachment 151936 [details]
stacktrace

Comment 2 Jan Stola 2015-03-16 13:47:43 UTC

ExternalBrowserPlugin.knownBrowserTabs is accessed and/or modified from several threads.

Comment 3 Jan Stola 2015-07-15 09:34:48 UTC

Fixed by https://hg.netbeans.org/web-main/rev/8e0f76bd0111