[ https://issues.apache.org/jira/browse/SPARK-2088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Patrick Wendell updated SPARK-2088: ----------------------------------- Assignee: Doris Xin > NPE in toString when creationSiteInfo is null after deserialization > ------------------------------------------------------------------- > > Key: SPARK-2088 > URL: https://issues.apache.org/jira/browse/SPARK-2088 > Project: Spark > Issue Type: Bug > Affects Versions: 1.0.0 > Reporter: Doris Xin > Assignee: Doris Xin > > After deserialization, the transient field creationSiteInfo does not get > backfilled with the default value, but the toString method, which is invoked > by the serializer, expects the field to always be non-null. The following > issue is encountered during serialization: > java.lang.NullPointerException > at org.apache.spark.rdd.RDD.getCreationSite(RDD.scala:1198) > at org.apache.spark.rdd.RDD.toString(RDD.scala:1263) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1418) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347) > at scala.collection.immutable.$colon$colon.writeObject(List.scala:379) > at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1495) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347) > at > org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:42) > at > org.apache.spark.scheduler.ResultTask$.serializeInfo(ResultTask.scala:46) > at > org.apache.spark.scheduler.ResultTask.writeExternal(ResultTask.scala:125) > at > java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1458) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1429) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347) > at > org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:42) > at > org.apache.spark.serializer.JavaSerializerInstance.serialize(JavaSerializer.scala:71) > at > org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$submitMissingTasks(DAGScheduler.scala:771) > at > org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$submitStage(DAGScheduler.scala:717) > at > org.apache.spark.scheduler.DAGScheduler.handleJobSubmitted(DAGScheduler.scala:701) > at > org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1180) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498) > at akka.actor.ActorCell.invoke(ActorCell.scala:456) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237) > at akka.dispatch.Mailbox.run(Mailbox.scala:219) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386) > at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) -- This message was sent by Atlassian JIRA (v6.2#6252)