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This bug was originally marked as duplicate of bug 213233, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.4 Beta (Build 201307092200) 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: Creating a new C header file and clicked on the "Browse" button so I could select a folder location GUEST: I was creating a new C++ Header file, then I selected Browse... button to choose a folder, and got the error. Stacktrace: org.openide.filesystems.FileStateInvalidException: InvalidFileObjectSupport$InvalidFileObject@3adc9e84[D:/Maxime/Projets/Programmes/Tools3D] at org.openide.loaders.DataObject.find(DataObject.java:555) at org.openide.loaders.DataFolder.findFolder(DataFolder.java:540) at org.netbeans.modules.cnd.editor.filecreation.BrowseFolders$SourceGroupsChildren.createNodes(BrowseFolders.java:307) at org.netbeans.modules.cnd.editor.filecreation.BrowseFolders$SourceGroupsChildren.createNodes(BrowseFolders.java:280) at org.openide.nodes.Children$Keys$KE.nodes(Children.java:1662) at org.openide.nodes.ChildrenArray.nodesFor(ChildrenArray.java:149)
Created attachment 139521 [details] stacktrace
I can re-produce exception when folder is physically deleted from the terminal. will catch exception as a fix.
fixed in http://hg.netbeans.org/cnd-main/rev/7dd7edbcbf74