Github user WeichenXu123 commented on the pull request:
https://github.com/apache/spark/pull/12978#issuecomment-218040874
@srowen
because spark-daemon.sh using exec command to start the java daemon process.
when run script, the spark-daemon.sh process will exists for a little
time(stage1) and then changed to a java process(stage2), then if java process
throw exception, it will die.
if stage1 spending more then 2s, then the judgement if [[ ! $(ps -p
"$newpid" -o comm=) =~ "java" ]]; is fail, it will regard the process as failed
but in fact it has not come into stag2. In my virtual machine, this thing offen
happen.
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