Re: Spark 1.2.1

Wed, 25 Feb 2015 15:45:07 -0800 

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

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