[ https://issues.apache.org/jira/browse/SPARK-25268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley resolved SPARK-25268. --------------------------------------- Resolution: Fixed Fix Version/s: 2.4.0 3.0.0 Issue resolved by pull request 22271 [https://github.com/apache/spark/pull/22271] > runParallelPersonalizedPageRank throws serialization Exception > -------------------------------------------------------------- > > Key: SPARK-25268 > URL: https://issues.apache.org/jira/browse/SPARK-25268 > Project: Spark > Issue Type: Bug > Components: GraphX > Affects Versions: 2.4.0 > Reporter: Bago Amirbekian > Assignee: shahid > Priority: Critical > Fix For: 3.0.0, 2.4.0 > > > A recent change to PageRank introduced a bug in the > ParallelPersonalizedPageRank implementation. The change prevents > serialization of a Map which needs to be broadcast to all workers. The issue > is in this line here: > [https://github.com/apache/spark/blob/6c5cb85856235efd464b109558896f81ae2c4c75/graphx/src/main/scala/org/apache/spark/graphx/lib/PageRank.scala#L201] > Because graphx units tests are run in local mode, the Serialization issue is > not caught. > > {code:java} > [info] - Star example parallel personalized PageRank *** FAILED *** (2 > seconds, 160 milliseconds) > [info] java.io.NotSerializableException: > scala.collection.immutable.MapLike$$anon$2 > [info] Serialization stack: > [info] - object not serializable (class: > scala.collection.immutable.MapLike$$anon$2, value: Map(1 -> > SparseVector(3)((0,1.0)), 2 -> SparseVector(3)((1,1.0)), 3 -> > SparseVector(3)((2,1.0)))) > [info] at > org.apache.spark.serializer.SerializationDebugger$.improveException(SerializationDebugger.scala:40) > [info] at > org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:46) > [info] at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$blockifyObject$2.apply(TorrentBroadcast.scala:291) > [info] at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$blockifyObject$2.apply(TorrentBroadcast.scala:291) > [info] at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1348) > [info] at > org.apache.spark.broadcast.TorrentBroadcast$.blockifyObject(TorrentBroadcast.scala:292) > [info] at > org.apache.spark.broadcast.TorrentBroadcast.writeBlocks(TorrentBroadcast.scala:127) > [info] at > org.apache.spark.broadcast.TorrentBroadcast.<init>(TorrentBroadcast.scala:88) > [info] at > org.apache.spark.broadcast.TorrentBroadcastFactory.newBroadcast(TorrentBroadcastFactory.scala:34) > [info] at > org.apache.spark.broadcast.BroadcastManager.newBroadcast(BroadcastManager.scala:62) > [info] at org.apache.spark.SparkContext.broadcast(SparkContext.scala:1489) > [info] at > org.apache.spark.graphx.lib.PageRank$.runParallelPersonalizedPageRank(PageRank.scala:205) > [info] at > org.apache.spark.graphx.lib.GraphXHelpers$.runParallelPersonalizedPageRank(GraphXHelpers.scala:31) > [info] at > org.graphframes.lib.ParallelPersonalizedPageRank$.run(ParallelPersonalizedPageRank.scala:115) > [info] at > org.graphframes.lib.ParallelPersonalizedPageRank.run(ParallelPersonalizedPageRank.scala:84) > [info] at > org.graphframes.lib.ParallelPersonalizedPageRankSuite$$anonfun$2.apply$mcV$sp(ParallelPersonalizedPageRankSuite.scala:62) > [info] at > org.graphframes.lib.ParallelPersonalizedPageRankSuite$$anonfun$2.apply(ParallelPersonalizedPageRankSuite.scala:51) > [info] at > org.graphframes.lib.ParallelPersonalizedPageRankSuite$$anonfun$2.apply(ParallelPersonalizedPageRankSuite.scala:51) > [info] at > org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22) > [info] at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85) > [info] at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104) > [info] at org.scalatest.Transformer.apply(Transformer.scala:22) > [info] at org.scalatest.Transformer.apply(Transformer.scala:20) > [info] at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166) > [info] at org.graphframes.SparkFunSuite.withFixture(SparkFunSuite.scala:40) > [info] at > org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175) > [info] at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306) > [info] at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175) > [info] at org.scalatest.FunSuite.runTest(FunSuite.scala:1555) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208) > [info] at > org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413) > [info] at > org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401) > [info] at scala.collection.immutable.List.foreach(List.scala:383) > [info] at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401) > [info] at > org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396) > [info] at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483) > [info] at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208) > [info] at org.scalatest.FunSuite.runTests(FunSuite.scala:1555) > [info] at org.scalatest.Suite$class.run(Suite.scala:1424) > [info] at > org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555) > [info] at > org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212) > [info] at > org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212) > [info] at org.scalatest.SuperEngine.runImpl(Engine.scala:545) > [info] at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212) > [info] at > org.graphframes.lib.ParallelPersonalizedPageRankSuite.org$scalatest$BeforeAndAfterAll$$super$run(ParallelPersonalizedPageRankSuite.scala:27) > [info] at > org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257) > [info] at > org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256) > [info] at > org.graphframes.lib.ParallelPersonalizedPageRankSuite.run(ParallelPersonalizedPageRankSuite.scala:27) > [info] at > org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:357) > [info] at > org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:502) > [info] at sbt.ForkMain$Run$2.call(ForkMain.java:296) > [info] at sbt.ForkMain$Run$2.call(ForkMain.java:286) > [info] at java.util.concurrent.FutureTask.run(FutureTask.java:266) > [info] at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > [info] at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [info] at java.lang.Thread.run(Thread.java:745){code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org