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Build: NetBeans IDE Dev (Build 200808210201) VM: Java HotSpot(TM) Client VM, 11.0-b15, Java(TM) SE Runtime Environment, 1.6.0_10-rc-b28 OS: Windows XP, 5.1, x86 User Comments: Mounting network drive throws AE Stacktrace: java.lang.AssertionError at org.netbeans.modules.favorites.Actions$Add.chooseFileObject(Actions.java:425) at org.netbeans.modules.favorites.Actions$Add.performAction(Actions.java:374) at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:581) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:77) at org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:577) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
Created attachment 68226 [details] stacktrace
I need more details. I just setup simple samba share (I shared my Linux home dir using Samba, mounted it as drive F: and I am able to add this into Favorites. (Though I got many FileNotFound exceptions for dot files in my home dir.
The network drive is disconnected. Lowering the priority - for connected drives it works fine.
I do not know what to do with this issue. There is java.io.File its exists() method returns true but FileUtil.toFileObject(java.io.File) returns null. Only thing I can do is either to show warning that this file is invalid or just do nothing but this is weird so probably first variant is better. Passing to filesystems for evaluation ie. why FileUtil.toFileObject(java.io.File) returns null in such case? Is it correct?
Is network drive disconnected by server or by client? (just in case it makes any difference)
It also applies for all removable drives without media. It is because File instance returned from JFileChooser is decorated and exists returns true but plain File.exists() returns false. To reproduce: - let's have e.g. CD disk drive F:/ without media System.out.println("File.exists="+new File("F:/").exists()); // false System.out.println("FSV.exists="+FileSystemView.getFileSystemView().createFileObject("F:/").exists()); // true I added a workaround to org.netbeans.modules.favorites.Actions. It will show a message that file doesn't exist. I am not able to workaround it better in filesystems. I also filed JDK bug 6751997. http://hg.netbeans.org/core-main/rev/c6254aa7adf2
Integrated into 'main-golden', will be available in build *200809250201* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main/rev/c6254aa7adf2 User: Jiri Skrivanek <jskrivanek@netbeans.org> Log: #144985 - Create new File because of inconsistence in File.exists (JDK bug 6751997).
Verified.