The following test failed in the JDK21 CI:

com/sun/jdi/JdbOptions.java

Here's a snippet from the log file:

...testcase...
[jdb] Initializing jdb ...
[jdb] >
> run
[jdb] run JbdOptionsTarg 3cb5185f-4b5c-42a5-b5b4-83acf5598201.out prop1 prop2
[jdb] Set uncaught java.lang.Throwable
[jdb] Set deferred uncaught java.lang.Throwable
[jdb] >
[jdb] VM Started:
> quit
Timeout refired 480 times
[jdb] run JbdOptionsTarg 3cb5185f-4b5c-42a5-b5b4-83acf5598201.out prop1 prop2
[jdb] Set uncaught java.lang.Throwable
[jdb] Set deferred uncaught java.lang.Throwable
[jdb] >
[jdb] VM Started:
----------System.err:(22/1411)*----------
java.lang.RuntimeException: waitForPrompt timed out after 240 seconds, looking for '<?[a-zA-Z0-9_-]*>?\\[[1-9][0-9]*\\] [ >]*$', in 1 lines
at lib.jdb.Jdb.waitForPrompt(Jdb.java:220)
at lib.jdb.Jdb.command(Jdb.java:240)
at JdbOptions.test(JdbOptions.java:200)
at JdbOptions.main(JdbOptions.java:156)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
at java.base/java.lang.Thread.run(Thread.java:1623)
Suppressed: java.lang.RuntimeException: waitForPrompt timed out after 240 seconds, looking for '<?[a-zA-Z0-9_-]*>?\\[[1-9][0-9]*\\] [ >]*$', in 1 lines
at lib.jdb.Jdb.waitForPrompt(Jdb.java:220)
at lib.jdb.Jdb.command(Jdb.java:240)
at lib.jdb.Jdb.quit(Jdb.java:265)
at lib.jdb.Jdb.shutdown(Jdb.java:108)
at lib.jdb.Jdb.close(Jdb.java:92)
at JdbOptions.test(JdbOptions.java:198)
... 5 more

JavaTest Message: Test threw exception: java.lang.RuntimeException: waitForPrompt timed out after 240 seconds, looking for '<?[a-zA-Z0-9_-]*>?\\[[1-9][0-9]*\\] [ >]*$', in 1 lines
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: waitForPrompt timed out after 240 seconds, looking for '<?[a-zA-Z0-9_-]*>?\\[[1-9][0-9]*\\] [ >]*$', in 1 lines
----------rerun:(37/7000)*----------