[MINOR][CI] Extend hard guard that dumps stacks on stalled test forks#2500
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janniklinde wants to merge 2 commits into
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[MINOR][CI] Extend hard guard that dumps stacks on stalled test forks#2500janniklinde wants to merge 2 commits into
janniklinde wants to merge 2 commits into
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Some Java test forks intermittently stall in a way that surefire's own timeouts never catch, so the job runs until the GitHub Actions cap and is cancelled with no output to diagnose, and the stall does not reproduce locally. Add an outer guard in the docker test entrypoint that watches the test log for a stall (no new line for a window kept just above the per-fork surefire timeout) and an absolute runtime ceiling below the job cap. On either trigger it dumps thread stacks from every JVM in the test process tree via SIGQUIT (relayed into the job log) plus a jstack file backup, then force-kills the tree so the job fails fast with stacks instead of being cancelled empty-handed. Limits are overridable via SYSDS_TEST_STALL_LIMIT and SYSDS_TEST_MAX_RUNTIME. Also set surefire runOrder to alphabetical so a hang reproduces at a stable class boundary, making the responsible class identifiable from the dumps.
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