The following test failed in the JDK15 CI:

runtime/ErrorHandling/TimeoutInErrorHandlingTest.java

Here's a snippet from the log file:

----------System.out:(4/1452)----------
Command line: [/mesos/work_dir/jib-master/install/jdk-15+11-371/macosx-x64-debug.jdk/jdk-15/fastdebug/bin/java -cp /mesos/work_dir/slaves/7cfa21b9-afde-4338-a459-d3e0a13ec793-S818/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/715aba0a-a275-4f2f-bcfe-9c13a66940cc/runs/2f93bdde-eef1-4a26-a394-6e97d6603757/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/1/runtime/ErrorHandling/TimeoutInErrorHandlingTest.d:/mesos/work_dir/jib-master/install/jdk-15+11-371/src.full/open/test/hotspot/jtreg/runtime/ErrorHandling:/mesos/work_dir/slaves/7cfa21b9-afde-4338-a459-d3e0a13ec793-S818/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/715aba0a-a275-4f2f-bcfe-9c13a66940cc/runs/2f93bdde-eef1-4a26-a394-6e97d6603757/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/1/test/lib:/mesos/work_dir/jib-master/install/java/re/jtreg/4.2/promoted/all/b16/bundles/jtreg_bin-4.2.zip/jtreg/lib/javatest.jar:/mesos/work_dir/jib-master/install/java/re/jtreg/4.2/promoted/all/b16/bundles/jtreg_bin-4.2.zip/jtreg/lib/jtreg.jar -XX:+UnlockDiagnosticVMOptions -Xmx100M -XX:ErrorHandlerTest=14 -XX:+TestUnresponsiveErrorHandler -XX:ErrorLogTimeout=16 -XX:-CreateCoredumpOnCrash -version ]
[2020-02-20T02:08:42.026297Z] Gathering output for process 8468
Found hs_err file. Scanning...
Found: [timeout occurred during error reporting in step "test unresponsive error reporting step"] after 4 s..
----------System.err:(19/989)*----------
<begin hs_err contents>
#
# A fatal error has been detected by the Java Runtime Environment:

[timeout occurred during error reporting in step "test unresponsive error reporting step"] after 4 s.
\u0000
<end hs_err contents>
java.lang.RuntimeException: hs-err file incomplete (first missing pattern: 1)
at TimeoutInErrorHandlingTest.main(TimeoutInErrorHandlingTest.java:164)
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:564)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: hs-err file incomplete (first missing pattern: 1)


test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: hs-err file incomplete (first missing pattern: 1)