The following test timed out in the JDK19 CI:

runtime/cds/appcds/loaderConstraints/DynamicLoaderConstraintsTest.java#custom-cl-zgc

Here's a snippet from the log file:

========================================
errorInDump: true, useCustomLoader: true, useZGC: true, case: 3
========================================
Command line: [/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+18-1216/linux-aarch64-debug.jdk/jdk-19/fastdebug/bin/java -cp /opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/0/runtime/cds/appcds/loaderConstraints/DynamicLoaderConstraintsTest_custom-cl-zgc.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+18-1216/src.full/open/test/hotspot/jtreg/runtime/cds/appcds/loaderConstraints:/opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/0/test/lib:/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+18-1216/src.full/open/test/lib:/opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/0/test/hotspot/jtreg/runtime/cds/appcds:/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+18-1216/src.full/open/test/hotspot/jtreg/runtime/cds/appcds:/opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/0/test/hotspot/jtreg/runtime/cds/appcds/test-classes:/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+18-1216/src.full/open/test/hotspot/jtreg/runtime/cds/appcds/test-classes:/opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/0/test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive:/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+18-1216/src.full/open/test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/javatest.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/jtreg.jar -XX:MaxRAMPercentage=6.25 -Djava.io.tmpdir=/opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/tmp -Xcomp -XX:+CreateCoredumpOnCrash -ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:+TieredCompilation -XX:ArchiveClassesAtExit=/opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/scratch/0/appcds-11h04m55s955.jsa -Xshare:auto --add-modules java.base,jdk.httpserver --add-exports java.base/jdk.internal.misc=ALL-UNNAMED -Xlog:cds=debug,class+load,class+loader+constraints -cp /opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/scratch/0/custom_app_loader.jar -XX:+UseZGC -XX:ZCollectionInterval=0.01 CustomAppLoader /opt/mach5/mesos/work_dir/slaves/c82600aa-2448-475c-8c08-6f02a5b3f3af-S11732/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8b144c3c-19d2-4036-905c-1863f6bdaa42/runs/d7f39ae6-156b-42c8-8c23-4af51ae02277/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/scratch/0/loader_constraints.jar LoaderConstraintsApp 3 ]
[2022-04-14T11:04:55.956918752Z] Gathering output for process 3810524
----------System.err:(0/0)----------
----------rerun:(48/11672)*----------

<snip>

result: Error. Program `/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+18-1216/linux-aarch64-debug.jdk/jdk-19/fastdebug/bin/java' timed out (timeout set to 1200000ms, elapsed time including timeout handling was 1332778ms).