RFR: 8257455: javax/swing/Security/6378709/TimerHack.java and javax/swing/JFileChooser/4163841/AcceptAllFileFilterTest.java fails in CI

[Tejesh R]

On Mon, 20 Mar 2023 19:13:30 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> @mrserb U had mentioned about reproducing the bug 5 out of 2000 times in jbs, any chance u remember where did u run? On physical/OCI Oracle linux CI system or any other?
>
> The JBS issue is closed. "⚠️ Failed to retrieve information on issue 8257455"

@mrserb I ran sample test program on CI machine of OCI OL as suggested by @prsadhuk yet unable to reproduce the issue. As I was mentioning that u had mentioned about the bug reproduction in JBS (which is closed), this is your observations which u had mentioned - 

> I have run the headless tests in 8u and these two tests fail for the same reason 5 times for 2000 test runs:
> 
> closed/javax/swing/Security/6378709/TimerHack.java
> closed/javax/swing/JFileChooser/4163841/AcceptAllFileFilterTest.java
> 
> STATUS:java.util.ConcurrentModificationException
> at java.util.SubList.checkForComodification(AbstractList.java:769)
> at java.util.SubList.listIterator(AbstractList.java:695)
> at java.util.AbstractList.listIterator(AbstractList.java:299)
> at java.util.Collections$SynchronizedList.listIterator(Collections.java:2443)
> at java.util.AbstractList.equals(AbstractList.java:519)
> at java.util.Collections$SynchronizedList.equals(Collections.java:2412)
> at javax.swing.plaf.basic.BasicDirectoryModel$LoadFilesThread$1.call(BasicDirectoryModel.java:310)
> at javax.swing.plaf.basic.BasicDirectoryModel$LoadFilesThread$1.call(BasicDirectoryModel.java:288)
> at sun.awt.shell.ShellFolderManager$DirectInvoker.invoke(ShellFolderManager.java:113)
> at sun.awt.shell.ShellFolder.invoke(ShellFolder.java:518)
> at sun.awt.shell.ShellFolder.invoke(ShellFolder.java:504)
> at javax.swing.plaf.basic.BasicDirectoryModel$LoadFilesThread.run0(BasicDirectoryModel.java:288)
> at javax.swing.plaf.basic.BasicDirectoryModel$LoadFilesThread.run(BasicDirectoryModel.java:241)`.

By any chance will u be able to recollect how u were able to reproduce it?

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PR Review Comment: https://git.openjdk.org/jdk/pull/13012#discussion_r1155566837