[SPARK-5569] Checkpoints cannot reference classes defined outside of Spark's assembly

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Auto Closed
• Component/s: DStreams
• Labels: bulk-closed
• Assignee: Unassigned
• Reporter: Patrick Wendell
• Created: 03/Feb/15 19:16
• Updated: 06/Jun/19 13:57
• Resolved: 06/Jun/19 13:57

Description

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

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

Issue Links

• links to: [Github] Pull Request #8955 (maxwellzdm)