<Swing Dev> 8227257: javax/swing/JFileChooser/4847375/bug4847375.java fails with AssertionError

[Baesken, Matthias]

Hello, I want to ask you about the following issue we see on Windows (almost?) all the time .

Currently the jtreg test javax/swing/JFileChooser/4847375/bug4847375.java fails  (seems it is a Windows only test anyway).

I opened  https://bugs.openjdk.java.net/browse/JDK-8227257   for this .

We run into this assertion (on Windows 10, also on Win server 2016 so it is an issue on variuos Windows versions) :

----------System.out:(0/0)----------
----------System.err:(35/2642)----------
java.lang.reflect.InvocationTargetException
                at java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1367)
                at java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1342)
                at java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1480)
                at bug4847375.main(bug4847375.java:53)
                at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
                at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
                at java.base/java.lang.reflect.Method.invoke(Method.java:567)
                at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
                at java.base/java.lang.Thread.run(Thread.java:830)
Caused by: java.lang.AssertionError
                at java.desktop/sun.awt.shell.Win32ShellFolder2$4.call(Win32ShellFolder2.java:440)
                at java.desktop/sun.awt.shell.Win32ShellFolder2$4.call(Win32ShellFolder2.java:438)
                at java.desktop/sun.awt.shell.Win32ShellFolderManager2$ComInvoker.invoke(Win32ShellFolderManager2.java:616)
                at java.desktop/sun.awt.shell.ShellFolder.invoke(ShellFolder.java:519)
                at java.desktop/sun.awt.shell.Win32ShellFolder2.getIShellFolder(Win32ShellFolder2.java:438)
                at java.desktop/sun.awt.shell.Win32ShellFolder2$2.call(Win32ShellFolder2.java:335)
                at java.desktop/sun.awt.shell.Win32ShellFolder2$2.call(Win32ShellFolder2.java:333)
                at java.desktop/sun.awt.shell.Win32ShellFolderManager2$ComInvoker.invoke(Win32ShellFolderManager2.java:616)
                at java.desktop/sun.awt.shell.ShellFolder.invoke(ShellFolder.java:519)
                at java.desktop/sun.awt.shell.Win32ShellFolder2.createShellFolder(Win32ShellFolder2.java:333)
                at java.desktop/sun.awt.shell.Win32ShellFolderManager2.createShellFolderFromRelativePIDL(Win32ShellFolderManager2.java:114)
                at java.desktop/sun.awt.shell.Win32ShellFolder2$11.call(Win32ShellFolder2.java:881)
                at java.desktop/sun.awt.shell.Win32ShellFolder2$11.call(Win32ShellFolder2.java:869)
                at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
                at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
                at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
                at java.desktop/sun.awt.shell.Win32ShellFolderManager2$ComInvoker$1.run(Win32ShellFolderManager2.java:586)
                ... 1 more

JavaTest Message: Test threw exception: java.lang.reflect.InvocationTargetException
JavaTest Message: shutting down test
--------------------------------------------------------------------

The assertion is generated at Win32ShellFolder2.java:440 :

    private long getIShellFolder() {
        if (disposer.pIShellFolder == 0) {
            try {
                disposer.pIShellFolder = invoke(new Callable<Long>() {
                    public Long call() {
                        assert(isDirectory());

Could you confirm that it fails too for you?

Thanks, Matthias
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