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https://issues.apache.org/jira/browse/SPARK-4300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrew Or closed SPARK-4300.
----------------------------
Resolution: Fixed
Fix Version/s: 1.4.0
1.2.2
Assignee: Sean Owen
Target Version/s: 1.3.0, 1.2.2, 1.4.0
> Race condition during SparkWorker shutdown
> ------------------------------------------
>
> Key: SPARK-4300
> URL: https://issues.apache.org/jira/browse/SPARK-4300
> Project: Spark
> Issue Type: Bug
> Components: Spark Shell
> Affects Versions: 1.1.0
> Reporter: Alex Liu
> Assignee: Sean Owen
> Priority: Minor
> Labels: backport-needed
> Fix For: 1.2.2, 1.4.0
>
>
> When a shark job is done. there are some error message as following show in
> the log
> {code}
> INFO 22:10:41,635 SparkMaster:
> akka.tcp://sparkdri...@ip-172-31-11-204.us-west-1.compute.internal:57641 got
> disassociated, removing it.
> INFO 22:10:41,640 SparkMaster: Removing app app-20141106221014-0000
> INFO 22:10:41,687 SparkMaster: Removing application
> Shark::ip-172-31-11-204.us-west-1.compute.internal
> INFO 22:10:41,710 SparkWorker: Asked to kill executor
> app-20141106221014-0000/0
> INFO 22:10:41,712 SparkWorker: Runner thread for executor
> app-20141106221014-0000/0 interrupted
> INFO 22:10:41,714 SparkWorker: Killing process!
> ERROR 22:10:41,738 SparkWorker: Error writing stream to file
> /var/lib/spark/work/app-20141106221014-0000/0/stdout
> ERROR 22:10:41,739 SparkWorker: java.io.IOException: Stream closed
> ERROR 22:10:41,739 SparkWorker: at
> java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:162)
> ERROR 22:10:41,740 SparkWorker: at
> java.io.BufferedInputStream.read1(BufferedInputStream.java:272)
> ERROR 22:10:41,740 SparkWorker: at
> java.io.BufferedInputStream.read(BufferedInputStream.java:334)
> ERROR 22:10:41,740 SparkWorker: at
> java.io.FilterInputStream.read(FilterInputStream.java:107)
> ERROR 22:10:41,741 SparkWorker: at
> org.apache.spark.util.logging.FileAppender.appendStreamToFile(FileAppender.scala:70)
> ERROR 22:10:41,741 SparkWorker: at
> org.apache.spark.util.logging.FileAppender$$anon$1$$anonfun$run$1.apply$mcV$sp(FileAppender.scala:39)
> ERROR 22:10:41,741 SparkWorker: at
> org.apache.spark.util.logging.FileAppender$$anon$1$$anonfun$run$1.apply(FileAppender.scala:39)
> ERROR 22:10:41,742 SparkWorker: at
> org.apache.spark.util.logging.FileAppender$$anon$1$$anonfun$run$1.apply(FileAppender.scala:39)
> ERROR 22:10:41,742 SparkWorker: at
> org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1311)
> ERROR 22:10:41,742 SparkWorker: at
> org.apache.spark.util.logging.FileAppender$$anon$1.run(FileAppender.scala:38)
> INFO 22:10:41,838 SparkMaster: Connected to Cassandra cluster: 4299
> INFO 22:10:41,839 SparkMaster: Adding host 172.31.11.204 (Analytics)
> INFO 22:10:41,840 SparkMaster: New Cassandra host /172.31.11.204:9042 added
> INFO 22:10:41,841 SparkMaster: Adding host 172.31.11.204 (Analytics)
> INFO 22:10:41,842 SparkMaster: Adding host 172.31.11.204 (Analytics)
> INFO 22:10:41,852 SparkMaster:
> akka.tcp://sparkdri...@ip-172-31-11-204.us-west-1.compute.internal:57641 got
> disassociated, removing it.
> INFO 22:10:41,853 SparkMaster:
> akka.tcp://sparkdri...@ip-172-31-11-204.us-west-1.compute.internal:57641 got
> disassociated, removing it.
> INFO 22:10:41,853 SparkMaster:
> akka.tcp://sparkdri...@ip-172-31-11-204.us-west-1.compute.internal:57641 got
> disassociated, removing it.
> INFO 22:10:41,857 SparkMaster:
> akka.tcp://sparkdri...@ip-172-31-11-204.us-west-1.compute.internal:57641 got
> disassociated, removing it.
> INFO 22:10:41,862 SparkMaster: Adding host 172.31.11.204 (Analytics)
> WARN 22:10:42,200 SparkMaster: Got status update for unknown executor
> app-20141106221014-0000/0
> INFO 22:10:42,211 SparkWorker: Executor app-20141106221014-0000/0 finished
> with state KILLED exitStatus 143
> {code}
> /var/lib/spark/work/app-20141106221014-0000/0/stdout is on the disk. It is
> trying to write to a close IO stream.
> Spark worker shuts down by {code}
> private def killProcess(message: Option[String]) {
> var exitCode: Option[Int] = None
> logInfo("Killing process!")
> process.destroy()
> process.waitFor()
> if (stdoutAppender != null) {
> stdoutAppender.stop()
> }
> if (stderrAppender != null) {
> stderrAppender.stop()
> }
> if (process != null) {
> exitCode = Some(process.waitFor())
> }
> worker ! ExecutorStateChanged(appId, execId, state, message, exitCode)
>
> {code}
> But stdoutAppender concurrently writes to output log file, which creates race
> condition.
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