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Sean Owen resolved SPARK-5416. ------------------------------ Resolution: Fixed Fix Version/s: 1.4.0 Issue resolved by pull request 4212 [https://github.com/apache/spark/pull/4212] > Initialize Executor.threadPool before ExecutorSource > ---------------------------------------------------- > > Key: SPARK-5416 > URL: https://issues.apache.org/jira/browse/SPARK-5416 > Project: Spark > Issue Type: Improvement > Components: Spark Core > Affects Versions: 1.2.0 > Reporter: Ryan Williams > Priority: Minor > Fix For: 1.4.0 > > > I recently saw some NPEs from > [{{ExecutorSource:44}}|https://github.com/apache/spark/blob/0497ea51ac345f8057d222a18dbbf8eae78f5b92/core/src/main/scala/org/apache/spark/executor/ExecutorSource.scala#L44] > in the first couple seconds of my executors' being initialized. > I think that {{ExecutorSource}} was trying to report these metrics before its > threadpool was initialized; there are a few LoC between the source being > registered > ([Executor.scala:82|https://github.com/apache/spark/blob/0497ea51ac345f8057d222a18dbbf8eae78f5b92/core/src/main/scala/org/apache/spark/executor/Executor.scala#L82]) > and the threadpool being initialized > ([Executor.scala:106|https://github.com/apache/spark/blob/0497ea51ac345f8057d222a18dbbf8eae78f5b92/core/src/main/scala/org/apache/spark/executor/Executor.scala#L106]). > We should initialize the threapool before the ExecutorSource is registered. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org