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ITPLAT-399 Systemd cleans up files in /tmp older than 10 days. This removes the /tmp/.java_pid* file which is the socket created by the JVM that facilitates thread dumps. This file is never recreated once it's deleted, and the only way to recreate it and restore thread dump functionality is to restart the JVM. If using OpenJDK there is no -F option to force thread dumps which bypasses the socket. Once the file is deleted there is no way to take a thread dump on OpenJDK until a restart is performed. This commit excludes required java hooks including the pid file from systemd's cleanup. For more info: https://bugzilla.redhat.com/show_bug.cgi?id=1704608

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Denise Unterwurzacher
2021-01-08 13:24:01 -06:00
parent 8de2dbf226
commit 7ede9c8cc1
2 changed files with 19 additions and 0 deletions
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roles/linux_common/files/java.conf Normal file
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# Exclude java-hooks
x /tmp/hsperfdata_*
x /tmp/.java_pid*