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From "Mathieu D (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-20784) Spark hangs forever / potential deadlock ?
Date Wed, 17 May 2017 08:27:04 GMT
Mathieu D created SPARK-20784:
---------------------------------

             Summary: Spark hangs forever / potential deadlock ?
                 Key: SPARK-20784
                 URL: https://issues.apache.org/jira/browse/SPARK-20784
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.0.2
            Reporter: Mathieu D


Spark hangs and stop executing any job or task.
Web UI shows 0 active task on executors.

Our application runs several spark contexts for several users in parallel in threads.
spark version 2.0.2, yarn-client

Extract of thread stack below.

{norformat}
"ForkJoinPool-1-worker-0" #107 daemon prio=5 os_prio=0 tid=0x00007fddf0005800 nid=0x484 waiting
on condition [0x00007fddd0bf
6000]
   java.lang.Thread.State: WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x000000078c232760> (a scala.concurrent.impl.Promise$CompletionLatch)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.jav
a:997)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:
1304)
        at scala.concurrent.impl.Promise$DefaultPromise.tryAwait(Promise.scala:202)
        at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:218)
        at scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223)
        at org.apache.spark.util.ThreadUtils$.awaitResultInForkJoinSafely(ThreadUtils.scala:212)
        at org.apache.spark.sql.execution.exchange.BroadcastExchangeExec.doExecuteBroadcast(BroadcastExchangeExec.scala:120)
        at org.apache.spark.sql.execution.InputAdapter.doExecuteBroadcast(WholeStageCodegenExec.scala:229)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeBroadcast$1.apply(SparkPlan.scala:125)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeBroadcast$1.apply(SparkPlan.scala:125)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.SparkPlan.executeBroadcast(SparkPlan.scala:124)
        at org.apache.spark.sql.execution.joins.BroadcastHashJoinExec.prepareBroadcast(BroadcastHashJoinExec.scala:98)
        at org.apache.spark.sql.execution.joins.BroadcastHashJoinExec.codegenInner(BroadcastHashJoinExec.scala:197)
        at org.apache.spark.sql.execution.joins.BroadcastHashJoinExec.doConsume(BroadcastHashJoinExec.scala:82)
        at org.apache.spark.sql.execution.CodegenSupport$class.consume(WholeStageCodegenExec.scala:153)
        at org.apache.spark.sql.execution.ProjectExec.consume(basicPhysicalOperators.scala:30)
        at org.apache.spark.sql.execution.ProjectExec.doConsume(basicPhysicalOperators.scala:62)
        at org.apache.spark.sql.execution.CodegenSupport$class.consume(WholeStageCodegenExec.scala:153)
        at org.apache.spark.sql.execution.InputAdapter.consume(WholeStageCodegenExec.scala:218)
        at org.apache.spark.sql.execution.InputAdapter.doProduce(WholeStageCodegenExec.scala:244)
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:83)
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.CodegenSupport$class.produce(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.InputAdapter.produce(WholeStageCodegenExec.scala:218)
        at org.apache.spark.sql.execution.ProjectExec.doProduce(basicPhysicalOperators.scala:40)
 
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:83)
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.CodegenSupport$class.produce(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.ProjectExec.produce(basicPhysicalOperators.scala:30)
        at org.apache.spark.sql.execution.joins.BroadcastHashJoinExec.doProduce(BroadcastHashJoinExec.scala:77)
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:83)
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.CodegenSupport$class.produce(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.joins.BroadcastHashJoinExec.produce(BroadcastHashJoinExec.scala:38)
        at org.apache.spark.sql.execution.ProjectExec.doProduce(basicPhysicalOperators.scala:40)
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:83)
        at org.apache.spark.sql.execution.CodegenSupport$$anonfun$produce$1.apply(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.CodegenSupport$class.produce(WholeStageCodegenExec.scala:78)
        at org.apache.spark.sql.execution.ProjectExec.produce(basicPhysicalOperators.scala:30)
        at org.apache.spark.sql.execution.WholeStageCodegenExec.doCodeGen(WholeStageCodegenExec.scala:309)
        at org.apache.spark.sql.execution.WholeStageCodegenExec.doExecute(WholeStageCodegenExec.scala:347)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:115)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:115)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:114)
        at org.apache.spark.sql.execution.exchange.ShuffleExchange.prepareShuffleDependency(ShuffleExchange.scala:87)
        at org.apache.spark.sql.execution.exchange.ShuffleExchange$$anonfun$doExecute$1.apply(ShuffleExchange.scala:123)
        at org.apache.spark.sql.execution.exchange.ShuffleExchange$$anonfun$doExecute$1.apply(ShuffleExchange.scala:114)
        at org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:52)
        at org.apache.spark.sql.execution.exchange.ShuffleExchange.doExecute(ShuffleExchange.scala:114)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:115)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:115)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
 
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:114)
        at org.apache.spark.sql.execution.InputAdapter.inputRDDs(WholeStageCodegenExec.scala:233)
        at org.apache.spark.sql.execution.SortExec.inputRDDs(SortExec.scala:111)
        at org.apache.spark.sql.execution.WholeStageCodegenExec.doExecute(WholeStageCodegenExec.scala:361)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:115)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:115)
        at org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:136)
        at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:133)
        at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:114)
        at org.apache.spark.sql.execution.columnar.InMemoryRelation.buildBuffers(InMemoryRelation.scala:97)
        at org.apache.spark.sql.execution.columnar.InMemoryRelation.<init>(InMemoryRelation.scala:86)
        at org.apache.spark.sql.execution.columnar.InMemoryRelation$.apply(InMemoryRelation.scala:42)
        at org.apache.spark.sql.execution.CacheManager$$anonfun$cacheQuery$1.apply(CacheManager.scala:98)
        at org.apache.spark.sql.execution.CacheManager.writeLock(CacheManager.scala:65)
        at org.apache.spark.sql.execution.CacheManager.cacheQuery(CacheManager.scala:89)
        at org.apache.spark.sql.Dataset.persist(Dataset.scala:2301)
        at org.apache.spark.sql.Dataset.cache(Dataset.scala:2311)
        at com.bluedme.woda.ng.matcher.StrictMatchStrategy.buildJoinMap(StrictMatchStrategy.scala:172)
        at com.bluedme.woda.ng.matcher.Matcher$$anonfun$evaluateMatching$1$$anonfun$apply$5$$anonfun$apply$6.apply(Matcher.scala:137)
        at com.bluedme.woda.ng.matcher.Matcher$$anonfun$evaluateMatching$1$$anonfun$apply$5$$anonfun$apply$6.apply(Matcher.scala:137)
        at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
        at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
        at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402)
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
        at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
{noformat}

It already happened a couple of times, with similar stack (CompletionLatch), but not always
the same path in our application.






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