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This issue was reported manually by jhavlin. It already has 4 duplicates Build: NetBeans IDE 8.0.2 (Build 201411181905) VM: Java HotSpot(TM) 64-Bit Server VM, 25.60-b23, Java(TM) SE Runtime Environment, 1.8.0_60-b27 OS: Windows 7 User Comments: jiai: Customizing the toolbar. jiai: Stopping two Tomcat instances. livre.programacao: I was just customizing my toolbar. GUEST: .. Stacktrace: java.lang.NullPointerException at org.openide.loaders.InstanceNode.initIcon(InstanceNode.java:272) at org.openide.loaders.InstanceNode.getIcon(InstanceNode.java:189) at org.openide.nodes.FilterNode.getIcon(FilterNode.java:564) at org.openide.nodes.FilterNode.getIcon(FilterNode.java:564) at org.openide.nodes.FilterNode.getIcon(FilterNode.java:564) at org.openide.explorer.view.VisualizerNode.getIcon(VisualizerNode.java:559)
Created attachment 155603 [details] stacktrace
This issue is caused by JPA Modeler plugin. Snippet from IDE Log: java.lang.NullPointerException [catch] at org.openide.loaders.InstanceNode.initIcon(InstanceNode.java:272) at org.openide.loaders.InstanceNode.getIcon(InstanceNode.java:189) at ... INFO [org.openide.loaders.InstanceNode]: ic = org.openide.loaders.InstanceDataObject@7babd84d[MultiFileObject@595332e3[Actions/Bugtracking/org-netbeans-jpa-modeler-specification-model-file-action-ClassWidgetVisibilityActionListener.instance]] Reassigning to plugin owner. Please check instantiation of ClassWidgetVisibilityActionListener. Thank you.
This bug already has 5 duplicates see http://statistics.netbeans.org/exceptions/detail.do?id=219411