Test fails in recent CI job:

Sending command: step
reply[0]: >
reply[1]: Step completed: "thread=MyThread-0", nsk.jdb.exclude.exclude001.MyThread.run(), line=90 bci=3
reply[2]: 90 long time = java.lang.System.currentTimeMillis();
reply[3]:
reply[4]: MyThread-0[1]
Sending command: exclude java.*,javax.*,sun.*,com.sun.*,jdk.*
reply[0]: MyThread-0[1]
Sending command: trace methods 0x2a8
reply[0]: MyThread-0[1]
Sending command: cont
# ERROR: Caught unexpected exception while executing the test: nsk.share.Failure: Prompt is not received during 300200 milliseconds.
The following stacktrace is for failure analysis.
nsk.share.TestFailure: Caught unexpected exception while executing the test: nsk.share.Failure: Prompt is not received during 300200 milliseconds.
at nsk.share.Log.logExceptionForFailureAnalysis(Log.java:428)
at nsk.share.Log.complain(Log.java:399)
at nsk.share.jdb.JdbTest.failure(JdbTest.java:74)
at nsk.share.jdb.JdbTest.runTest(JdbTest.java:158)
at nsk.jdb.exclude.exclude001.exclude001.run(exclude001.java:93)
at nsk.jdb.exclude.exclude001.exclude001.main(exclude001.java:86)
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:566)
at PropertyResolvingWrapper.main(PropertyResolvingWrapper.java:104)
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:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:832)
nsk.share.Failure: Prompt is not received during 300200 milliseconds.
at nsk.share.jdb.Jdb.waitForPrompt(Jdb.java:496)
at nsk.share.jdb.Jdb.receiveReply(Jdb.java:403)
at nsk.share.jdb.Jdb.receiveReplyFor(Jdb.java:351)
at nsk.share.jdb.Jdb.receiveReplyFor(Jdb.java:333)
at nsk.share.jdb.Jdb.receiveReplyFor(Jdb.java:322)
at nsk.jdb.exclude.exclude001.exclude001.runCases(exclude001.java:163)
at nsk.share.jdb.JdbTest.runTest(JdbTest.java:149)
at nsk.jdb.exclude.exclude001.exclude001.run(exclude001.java:93)
at nsk.jdb.exclude.exclude001.exclude001.main(exclude001.java:86)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at PropertyResolvingWrapper.main(PropertyResolvingWrapper.java:104)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:832)
Waiting for jdb exits
# ERROR: jdb did not exit after timeout.