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Apache Spark commented on SPARK-4660: ------------------------------------- User 'jacek-lewandowski' has created a pull request for this issue: https://github.com/apache/spark/pull/4114 > JavaSerializer uses wrong classloader > ------------------------------------- > > Key: SPARK-4660 > URL: https://issues.apache.org/jira/browse/SPARK-4660 > Project: Spark > Issue Type: Bug > Components: Spark Core > Affects Versions: 1.1.0, 1.1.1 > Reporter: Piotr Kołaczkowski > Priority: Critical > Attachments: spark-serializer-classloader.patch > > > During testing we found failures when trying to load some classes of the user > application: > {noformat} > ERROR 2014-11-29 20:01:56 org.apache.spark.storage.BlockManagerWorker: > Exception handling buffer message > java.lang.ClassNotFoundException: > org.apache.spark.demo.HttpReceiverCases$HttpRequest > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:270) > at org.apache.spark.serializer.JavaDeseriali > zationStream$$anon$1.resolveClass(JavaSerializer.scala:59) > at > java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612) > at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > at > org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:62) > at > org.apache.spark.serializer.DeserializationStream$$anon$1.getNext(Serializer.scala:133) > at org.apache.spark.util.NextIterator.hasNext(NextIterator.scala:71) > at > org.apache.spark.storage.MemoryStore.unrollSafely(MemoryStore.scala:235) > at > org.apache.spark.storage.MemoryStore.putIterator(MemoryStore.scala:126) > at > org.apache.spark.storage.MemoryStore.putIterator(MemoryStore.scala:104) > at org.apache.spark.storage.MemoryStore.putBytes(MemoryStore.scala:76) > at org.apache.spark.storage.BlockManager.doPut(BlockManager.scala:748) > at > org.apache.spark.storage.BlockManager.putBytes(BlockManager.scala:639) > at > org.apache.spark.storage.BlockManagerWorker.putBlock(BlockManagerWorker.scala:92) > at > org.apache.spark.storage.BlockManagerWorker.processBlockMessage(BlockManagerWorker.scala:73) > at > org.apache.spark.storage.BlockManagerWorker$$anonfun$2.apply(BlockManagerWorker.scala:48) > at > org.apache.spark.storage.BlockManagerWorker$$anonfun$2.apply(BlockManagerWorker.scala:48) > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) > at scala.collection.Iterator$class.foreach(Iterator.scala:727) > at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) > at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) > at > org.apache.spark.storage.BlockMessageArray.foreach(BlockMessageArray.scala:28) > at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) > at > org.apache.spark.storage.BlockMessageArray.map(BlockMessageArray.scala:28) > at > org.apache.spark.storage.BlockManagerWorker.onBlockMessageReceive(BlockManagerWorker.scala:48) > at > org.apache.spark.storage.BlockManagerWorker$$anonfun$1.apply(BlockManagerWorker.scala:38) > at > org.apache.spark.storage.BlockManagerWorker$$anonfun$1.apply(BlockManagerWorker.scala:38) > at > org.apache.spark.network.ConnectionManager.org$apache$spark$network$ConnectionManager$$handleMessage(ConnectionManager.scala:682) > at > org.apache.spark.network.ConnectionManager$$anon$10.run(ConnectionManager.scala:520) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:744) > {noformat} -- 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