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This bug was originally marked as duplicate of bug 237992, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.0 RC1 (Build 201402242200) VM: Java HotSpot(TM) 64-Bit Server VM, 23.25-b01, Java(TM) SE Runtime Environment, 1.7.0_25-b17 OS: Windows 8 User Comments: GUEST: I was doing some web development and then I saw a red notification cloud popup a message saying that there was an illegal argument exception. I don't know what would cause it. joonate: custom directive GUEST: Error when clicking popup menu on warning icon : edit project's editor custom element configuration file alexvsimon: click on hint in htm file Stacktrace: java.lang.IllegalArgumentException: Called DataObject.find on null at org.openide.loaders.DataObject.find(DataObject.java:551) at org.netbeans.modules.html.custom.hints.EditProjectsConfFix.implement(EditProjectsConfFix.java:72) at org.netbeans.modules.csl.hints.infrastructure.FixWrapper.implement(FixWrapper.java:66) at org.netbeans.modules.editor.hints.HintsUI$1.run(HintsUI.java:837) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
Created attachment 146145 [details] stacktrace
This bug already has 5 duplicates see http://statistics.netbeans.org/exceptions/detail.do?id=208518
Created attachment 148234 [details] stacktrace .
changeset: 276043:41ce33f3d387 summary: #243056 - IllegalArgumentException: Called DataObject.find on null
Integrated into 'main-silver', will be available in build *201407250001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/41ce33f3d387 User: Marek Fukala <mfukala@netbeans.org> Log: #243056 - IllegalArgumentException: Called DataObject.find on null
Cannot reproduce, thanks Product Version: NetBeans IDE 8.0.1 (Build 201408142300) Java: 1.7.0_65; Java HotSpot(TM) Client VM 24.65-b04 Runtime: Java(TM) SE Runtime Environment 1.7.0_65-b17 System: Linux version 3.13.0-32-generic running on i386; UTF-8; en_US (nb)