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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-2992) New Windowing code is using SerializationUtils with wrong classloader
Date Tue, 10 Nov 2015 11:14:10 GMT
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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