Stephen Haberman created SPARK-4704:
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Summary: SparkSubmitDriverBootstrap doesn't flush output
Key: SPARK-4704
URL: https://issues.apache.org/jira/browse/SPARK-4704
Project: Spark
Issue Type: Bug
Components: Spark Core
Environment: 1.2.0-rc1
Reporter: Stephen Haberman
When running spark-submit with a job that immediately blows up (say due to init
errors in the job code), there is no error output from spark-submit on the
console.
When I ran spark-class directly, then I do see the error/stack trace on the
console.
I believe the issue is in SparkSubmitDriverBootstrapper (I had
spark.driver.memory set in spark-defaults.conf) not waiting for the
RedirectThreads to flush/complete before exiting.
E.g. here:
https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/deploy/SparkSubmitDriverBootstrapper.scala#L143
I believe around line 165 or so, stdoutThread.join() and
stderrThread.join() calls are necessary to make sure the other threads
have had a chance to flush process.getInputStream/getErrorStream to
System.out/err before the process exits.
I've been tripped up by this in similar RedirectThread/process code, hence
suspecting this is the problem.
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