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This bug was originally marked as duplicate of bug 174450, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.1.2 (Build 201204101705) VM: Java HotSpot(TM) Client VM, 20.7-b02, Java(TM) SE Runtime Environment, 1.6.0_32-b05 OS: Windows 7 User Comments: GUEST: When starting IDE. GUEST: it HANGS on scaning dagguh: I switched a XML file to other branch in CVS, then I autoformatted it ayermolayev: Opened NB dagguh: I updated a file through CVS, there was a conflict, I resolved it manually (we both appended to a file, so I simply deleted the conflict markers) and the exception has been thrown by NetBeans GUEST: "merge changes from branch" on a single file bsl.vovtz: Sorry, not sure probably switched between to open documents while the one I 'left' contained errors (<div/> never closed). Certainly I wasn't doing anything even remotely 'exciting'... :) dcherk: Reorganizing editing windows pekkle: IDE start up GUEST: Starting Netbeans. GUEST: while commiting an xml file in cvs repository vlad_konov: When open IDE, during "scanning projects" process. tamermarzouk: I was unable to stop the tomcat6 server from the IDE so, I restarted netbeans and clicked cancel to wait for tomcat I believe I was writing something on the keyboard and that was written in the Search box of netbeans then I noticed the exception GUEST: i dunno lol cloeffler: don't know GUEST: While starting netbeans GUEST: switched back focus to the NetBeans window, when the problem was seen. Might be it happened while Netbeans was minimized. pekkle: IDE startup. GUEST: I was editing smarty templates (.tpl) file jmborer: Occured while moving a panel in the form editor Stacktrace: java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at org.netbeans.modules.xml.sync.DataObjectSyncSupport.addRepresentation(DataObjectSyncSupport.java:140) at org.netbeans.modules.xml.text.TextEditorSupport$3.stateChanged(TextEditorSupport.java:247) at org.openide.text.CloneableEditorSupport.fireStateChangeEvent(CloneableEditorSupport.java:2347) at org.openide.text.CloneableEditorSupport.fireDocumentChange(CloneableEditorSupport.java:2330)
Created attachment 120200 [details] stacktrace
*** Bug 213321 has been marked as a duplicate of this bug. ***
*** This bug has been marked as a duplicate of bug 174450 ***