The following test failed in the JDK17 CI:

compiler/compilercontrol/mixed/RandomCommandsTest.java

Here's a snippet from the log file:

----------System.out:(12/4420)----------
For random generator using seed: 5539858874383256187
To re-run test with same seed value please add "-Djdk.test.lib.random.seed=5539858874383256187" to command line.
(CompileCommand QUIET Type: FILE Compiler: C1 MethodDescriptor: */nonexistent, IsValid: false)
Command line: [/opt/mach5/mesos/work_dir/jib-master/install/jdk-17+27-2463/linux-x64-open.jdk/jdk-17/bin/java -cp /opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79020/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/de2507c3-e217-4094-9fe6-9a1187959b3f/runs/65436544-bc39-443e-8b93-06fa61ebb764/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_compiler/classes/2/compiler/compilercontrol/mixed/RandomCommandsTest.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-17+27-2463/src.full/open/test/hotspot/jtreg/compiler/compilercontrol/mixed:/opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79020/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/de2507c3-e217-4094-9fe6-9a1187959b3f/runs/65436544-bc39-443e-8b93-06fa61ebb764/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_compiler/classes/2/test/lib:/opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79020/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/de2507c3-e217-4094-9fe6-9a1187959b3f/runs/65436544-bc39-443e-8b93-06fa61ebb764/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_compiler/classes/2:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6/1/bundles/jtreg-6+1.zip/jtreg/lib/javatest.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6/1/bundles/jtreg-6+1.zip/jtreg/lib/jtreg.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6/1/bundles/jtreg-6+1.zip/jtreg/lib/junit.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6/1/bundles/jtreg-6+1.zip/jtreg/lib/hamcrest.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6/1/bundles/jtreg-6+1.zip/jtreg/lib/testng.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6/1/bundles/jtreg-6+1.zip/jtreg/lib/jcommander.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6/1/bundles/jtreg-6+1.zip/jtreg/lib/guice.jar -XX:MaxRAMPercentage=4.16667 -Djava.io.tmpdir=/opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79020/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/de2507c3-e217-4094-9fe6-9a1187959b3f/runs/65436544-bc39-443e-8b93-06fa61ebb764/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_compiler/tmp -Djava.io.tmpdir=/opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79020/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/de2507c3-e217-4094-9fe6-9a1187959b3f/runs/65436544-bc39-443e-8b93-06fa61ebb764/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_compiler/tmp -Djava.library.path=/opt/mach5/mesos/work_dir/jib-master/install/jdk-17+27-2463/linux-x64-open.test/hotspot/jtreg/native --patch-module=java.base=/opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79020/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/de2507c3-e217-4094-9fe6-9a1187959b3f/runs/65436544-bc39-443e-8b93-06fa61ebb764/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_compiler/patches/java.base -Djava.security.policy=file:/opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79020/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/de2507c3-e217-4094-9fe6-9a1187959b3f/runs/65436544-bc39-443e-8b93-06fa61ebb764/./testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_compiler/jtreg.policy -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:CompilerDirectivesLimit=101 -Xbootclasspath/a:. -XX:+WhiteBoxAPI -XX:CompileCommandFile=command_file compiler.compilercontrol.share.actions.BaseAction 33889 states ]
[2021-06-16T12:30:13.262493821Z] Gathering output for process 27089
[2021-06-16T12:30:18.928380693Z] Waiting for completion for process 27089
[2021-06-16T12:30:18.928530245Z] Waiting for completion finished for process 27089
Output and diagnostic info for process 27089 was saved into 'pid-27089-output.log'
[2021-06-16T12:30:18.929826895Z] Waiting for completion for process 27089
[2021-06-16T12:30:18.930259602Z] Waiting for completion finished for process 27089
[2021-06-16T12:30:18.930405738Z] Waiting for completion for process 27089
[2021-06-16T12:30:18.930472014Z] Waiting for completion finished for process 27089
----------System.err:(273/11499)----------
 stdout: [INFO: Client connection port = 33889
Checking expected compilation state: {
  method: public void compiler.compilercontrol.share.pool.sub.Klass.method(int,java.lang.String[],java.lang.Integer,byte[],double[][])
  compile [Optional.empty, Optional.empty]
  force_inline [Optional.empty, Optional.empty]
  dont_inline [Optional.empty, Optional.empty]
  log Optional.empty
  print_assembly Optional.empty
  print_inline Optional.empty
}

<snip>

 stderr: []
 exitValue = 0

java.lang.RuntimeException: 'CompileCommand: An error occurred during parsing' missing from stdout/stderr

at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:221)
at compiler.compilercontrol.share.scenario.Scenario.execute(Scenario.java:137)
at compiler.compilercontrol.share.MultiCommand.test(MultiCommand.java:101)
at compiler.compilercontrol.mixed.RandomCommandsTest.main(RandomCommandsTest.java:43)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
at java.base/java.lang.Thread.run(Thread.java:833)

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

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: 'CompileCommand: An error occurred during parsing' missing from stdout/stderr


Based on the log file, it looks like the test never ran into an error
in this run. I'm guessing that the test expects there to be at least
one randomly generated CompileCommand that results in an error.