Hm, I wouldn’t care what verison of guava is brought in. Someone on the Spark list said Guava is shaded in 1.2.1 but I don’t think is was in 1.1.0 so that may be a clue.
On Feb 25, 2015, at 4:06 PM, Andrew Palumbo <[email protected]> wrote: I was just wondering if there's possibly a conflict somewhere with the guava jars that spark 1.2.1 is bringing in? On 02/25/2015 06:47 PM, Pat Ferrel wrote: > Yes, Guava. I have it in a transitive dependencies jar for now and have > verified that it’s in the jar passed in to create the context. > > On Feb 25, 2015, at 3:43 PM, Andrew Palumbo <[email protected]> wrote: > > oh- i see. its the `guava` artifact in the `mahout-math` module right? > > On 02/25/2015 06:37 PM, Andrew Palumbo wrote: >> which dependency brings HashBiMap in? >> >> On 02/25/2015 06:15 PM, Pat Ferrel wrote: >>> Getting an error that confuses me. Running spark-itemsimilairty on a >>> standalone cluster on my laptop. The algo uses a guava HashBiMap. With >>> Spark 1.1.0 I simply registered the class and its serializer with kryo like >>> this: >>> >>> kryo.register(classOf[com.google.common.collect.[String, Int]], new >>> JavaSerializer()) >>> >>> And all was well. Now I get a class not found during deserialization. I >>> checked “mahout -spark classpath” and found the jar that contains HashBiMap >>> but get this error. Any ideas: >>> >>> 15/02/25 14:46:33 WARN scheduler.TaskSetManager: Lost task 0.0 in stage 4.0 >>> (TID 8, 192.168.0.2): java.io.IOException: >>> com.esotericsoftware.kryo.KryoException: Error during Java deserialization. >>> at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1093) >>> at >>> org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:164) >>> at >>> org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:64) >>> at >>> org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:64) >>> at >>> org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:87) >>> at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70) >>> at >>> org.apache.mahout.drivers.TDIndexedDatasetReader$$anonfun$5.apply(TextDelimitedReaderWriter.scala:95) >>> at >>> org.apache.mahout.drivers.TDIndexedDatasetReader$$anonfun$5.apply(TextDelimitedReaderWriter.scala:94) >>> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) >>> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) >>> at >>> org.apache.spark.util.collection.ExternalSorter.spillToPartitionFiles(ExternalSorter.scala:366) >>> at >>> org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:211) >>> at >>> org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:63) >>> at >>> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68) >>> at >>> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) >>> at org.apache.spark.scheduler.Task.run(Task.scala:56) >>> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:200) >>> at >>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >>> at java.lang.Thread.run(Thread.java:745) >>> Caused by: com.esotericsoftware.kryo.KryoException: Error during Java >>> deserialization. >>> at >>> com.esotericsoftware.kryo.serializers.JavaSerializer.read(JavaSerializer.java:42) >>> at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:732) >>> at >>> org.apache.spark.serializer.KryoDeserializationStream.readObject(KryoSerializer.scala:144) >>> at >>> org.apache.spark.broadcast.TorrentBroadcast$.unBlockifyObject(TorrentBroadcast.scala:216) >>> at >>> org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1.apply(TorrentBroadcast.scala:177) >>> at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1090) >>> ... 19 more >>> >>> ============== root error ================ >>> Caused by: java.lang.ClassNotFoundException: >>> com.google.common.collect.HashBiMap >>> >>> >>> 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:274) >>> at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:625) >>> 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 >>> com.esotericsoftware.kryo.serializers.JavaSerializer.read(JavaSerializer.java:40) >>> ... 24 more >>> >
