Patrick Wendell created SPARK-5569:
--------------------------------------
Summary: Checkpoints cannot reference classes defined outside of
Spark's assembly
Key: SPARK-5569
URL: https://issues.apache.org/jira/browse/SPARK-5569
Project: Spark
Issue Type: Bug
Components: Streaming
Reporter: Patrick Wendell
Not sure if this is a bug or a feature, but it's not obvious, so wanted to
create a JIRA to make sure we document this behavior.
First documented by Cody Koeninger:
https://gist.github.com/koeninger/561a61482cd1b5b3600c
{code}
15/01/12 16:07:07 INFO CheckpointReader: Attempting to load checkpoint from
file file:/var/tmp/cp/checkpoint-1421100410000.bk
15/01/12 16:07:07 WARN CheckpointReader: Error reading checkpoint from file
file:/var/tmp/cp/checkpoint-1421100410000.bk
java.io.IOException: java.lang.ClassNotFoundException:
org.apache.spark.rdd.kafka.KafkaRDDPartition
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1043)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData.readObject(DStreamCheckpointData.scala:146)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1706)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1344)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:500)
at
org.apache.spark.streaming.DStreamGraph$$anonfun$readObject$1.apply$mcV$sp(DStreamGraph.scala:180)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1040)
at
org.apache.spark.streaming.DStreamGraph.readObject(DStreamGraph.scala:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at
org.apache.spark.streaming.CheckpointReader$$anonfun$read$2.apply(Checkpoint.scala:251)
at
org.apache.spark.streaming.CheckpointReader$$anonfun$read$2.apply(Checkpoint.scala:239)
at
scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:34)
at
org.apache.spark.streaming.CheckpointReader$.read(Checkpoint.scala:239)
at
org.apache.spark.streaming.StreamingContext$.getOrCreate(StreamingContext.scala:552)
at example.CheckpointedExample$.main(CheckpointedExample.scala:34)
at example.CheckpointedExample.main(CheckpointedExample.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.spark.deploy.SparkSubmit$.launch(SparkSubmit.scala:365)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:75)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
Caused by: java.lang.ClassNotFoundException:
org.apache.spark.rdd.kafka.KafkaRDDPartition
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
org.apache.spark.streaming.ObjectInputStreamWithLoader.resolveClass(Checkpoint.scala:279)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1663)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1344)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at
scala.collection.mutable.HashMap$$anonfun$readObject$1.apply(HashMap.scala:142)
at
scala.collection.mutable.HashMap$$anonfun$readObject$1.apply(HashMap.scala:142)
at scala.collection.mutable.HashTable$class.init(HashTable.scala:105)
at scala.collection.mutable.HashMap.init(HashMap.scala:39)
at scala.collection.mutable.HashMap.readObject(HashMap.scala:142)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:500)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$readObject$1.apply$mcV$sp(DStreamCheckpointData.scala:148)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1040)
... 52 more
{code}
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