The following test timed out in the JDK17 CI:

sun/tools/jstatd/TestJstatdPort.java

Here's a snippet from the log file:

#section:main
----------messages:(8/231)----------
command: main TestJstatdPort
reason: User specified action: run main/timeout=60 TestJstatdPort
Mode: agentvm
Agent id: 13
Timeout refired 240 times
Timeout information:
--- Timeout information end.
elapsed time (seconds): 282.001
----------configuration:(13/1667)----------

<snip>

result: Error. Agent error: java.lang.Exception: Agent 13 timed out with a timeout of 240 seconds; check console log for any additional details