cmdLineTester_jfrLiberty cmdLineTester_jfrEvents Event can't have zero size

[pshipton]

https://openj9-jenkins.osuosl.org/job/Pipeline-Build-Test-JDK11/1404/
Cross platform, only on jdk11

https://openj9-jenkins.osuosl.org/job/Test_openjdk11_j9_extended.functional_x86-64_mac_Nightly_testList_1/1132/consoleFull
cmdLineTester_jfrLiberty_0

23:54:22  Testing: Verify JFR execution samples
23:54:22  Test start time: 2026/08/25 23:54:21 Eastern Standard Time
23:54:22  Running command: /Users/jenkins/workspace/Test_openjdk11_j9_extended.functional_x86-64_mac_Nightly_testList_1/jdkbinary/j2sdk-image/bin/jfr print --xml --events "ExecutionSample" --stack-depth 1 /Users/jenkins/workspace/Test_openjdk11_j9_extended.functional_x86-64_mac_Nightly_testList_1/aqa-tests/TKG/../../jvmtest/functional/cmdLineTests/jfr/liberty_jfr_test.jfr
23:54:22  Time spent starting: 3 milliseconds
23:54:22  Time spent executing: 339 milliseconds
23:54:22  Test result: FAILED
23:54:22  Output from test:
23:54:22   [ERR] jfr print: could not read recording at /Users/jenkins/workspace/Test_openjdk11_j9_extended.functional_x86-64_mac_Nightly_testList_1/aqa-tests/TKG/../../jvmtest/functional/cmdLineTests/jfr/liberty_jfr_test.jfr. Event can't have zero size
23:54:22  >> Required condition was not found: [Output match: http://www.w3.org/2001/XMLSchema-instance]
23:54:22  >> Required condition was not found: [Output match: jdk.ExecutionSample]
23:54:22  >> Required condition was not found: [Output match: sampledThread]
23:54:22  >> Success condition was not found: [Output match: STATE_RUNNABLE]
23:54:22  >> Failure condition was found: [Output match: jfr print: could not read recording]

https://openj9-jenkins.osuosl.org/job/Test_openjdk11_j9_sanity.functional_x86-64_mac_Nightly_testList_1/1130/consoleFull
cmdLineTester_jfrEvents_0

00:17:53  Testing: test jfr execution sample - approx 30seconds
00:17:53  Test start time: 2026/08/26 00:17:52 Eastern Standard Time
00:17:53  Running command: /Users/jenkins/workspace/Test_openjdk11_j9_sanity.functional_x86-64_mac_Nightly_testList_1/jdkbinary/j2sdk-image/bin/jfr print --xml --events "ExecutionSample" --stack-depth 1 defaultJ9recording.jfr
00:17:53  Time spent starting: 3 milliseconds
00:17:53  Time spent executing: 369 milliseconds
00:17:53  Test result: FAILED
00:17:53  Output from test:
00:17:53   [ERR] jfr print: could not read recording at /Users/jenkins/workspace/Test_openjdk11_j9_sanity.functional_x86-64_mac_Nightly_testList_1/aqa-tests/TKG/output_17877163639908/cmdLineTester_jfrEvents_0/defaultJ9recording.jfr. Event can't have zero size
00:17:53  >> Required condition was not found: [Output match: http://www.w3.org/2001/XMLSchema-instance]
00:17:53  >> Required condition was not found: [Output match: jdk.ExecutionSample]
00:17:53  >> Required condition was not found: [Output match: startTime]
00:17:53  >> Required condition was not found: [Output match: sampledThread]
00:17:53  >> Required condition was not found: [Output match: stackTrace]
00:17:53  >> Required condition was not found: [Output match: frames]
00:17:53  >> Success condition was not found: [Output match: STATE_RUNNABLE]
00:17:53  >> Failure condition was found: [Output match: jfr print: could not read recording]

Changes:
e48989b...2df2320
ibmruntimes/openj9-openjdk-jdk11@4cccdaa...c12c495

[pshipton]

@tajila fyi

[tajila]

Grinder Aug 25 https://openj9-jenkins.osuosl.org/job/Grinder/5378/ - PASS
Grinder Aug 26 https://openj9-jenkins.osuosl.org/job/Grinder/5377/ - FAIL
Grinder exclude the recent changes https://openj9-jenkins.osuosl.org/job/Grinder/5379/ - PASS

[tajila]

Its likely this #24651

[tajila]

FYI @adpopescu

[adpopescu]

Nvm, will investigate.