Robert Metzger created FLINK-2992:
-------------------------------------
Summary: New Windowing code is using SerializationUtils with wrong
classloader
Key: FLINK-2992
URL: https://issues.apache.org/jira/browse/FLINK-2992
Project: Flink
Issue Type: Bug
Components: Streaming
Affects Versions: 0.10
Reporter: Robert Metzger
Assignee: Robert Metzger
Priority: Critical
During release testing, I found the following issue
{code}
robert@hn0-flink0:~/flink010-26-211/flink-0.10.0$ ./bin/flink run
../../scratch/target/flink0.10-scala2.11-1.0-SNAPSHOT.jar --input
hdfs:///user/robert/file.txt --out hdfs:///user/robert/result
Found YARN properties file /tmp/.yarn-properties-robert
Using JobManager address from YARN properties 10.0.0.5/10.0.0.5:59812
org.apache.flink.client.program.ProgramInvocationException: The main method
caused an error.
at
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:512)
at
org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:395)
at org.apache.flink.client.program.Client.runBlocking(Client.java:252)
at
org.apache.flink.client.CliFrontend.executeProgramBlocking(CliFrontend.java:675)
at org.apache.flink.client.CliFrontend.run(CliFrontend.java:326)
at
org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:977)
at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1027)
Caused by: org.apache.commons.lang.SerializationException:
java.lang.ClassNotFoundException: com.dataartisans.Job$$anon$3$$anon$2
at
org.apache.commons.lang.SerializationUtils.deserialize(SerializationUtils.java:166)
at
org.apache.commons.lang.SerializationUtils.deserialize(SerializationUtils.java:193)
at
org.apache.commons.lang.SerializationUtils.clone(SerializationUtils.java:81)
at
org.apache.flink.streaming.api.datastream.WindowedStream.reduce(WindowedStream.java:172)
at
org.apache.flink.streaming.api.scala.WindowedStream.aggregate(WindowedStream.scala:352)
at
org.apache.flink.streaming.api.scala.WindowedStream.aggregate(WindowedStream.scala:332)
at
org.apache.flink.streaming.api.scala.WindowedStream.sum(WindowedStream.scala:300)
at com.dataartisans.Job$.main(Job.scala:59)
at com.dataartisans.Job.main(Job.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.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:497)
... 6 more
Caused by: java.lang.ClassNotFoundException:
com.dataartisans.Job$$anon$3$$anon$2
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:278)
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.defaultReadFields(ObjectInputStream.java:1997)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1921)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1997)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1921)
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.commons.lang.SerializationUtils.deserialize(SerializationUtils.java:163)
... 19 more
The exception above occurred while trying to run your command.
{code}
The problem is that we are using the org.apache.commons.lang.SerializationUtils
with the wrong classloader.
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