[FLINK-1531] Custom Kryo Serializer fails in itertation scenario

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.9
• Fix Version/s: 0.9, 0.8.1
• Component/s: Runtime / Task
• Assignee: Unassigned
• Reporter: Johannes
• Created: 12/Feb/15 10:36
• Updated: 02/Oct/19 17:44
• Resolved: 12/Feb/15 17:41

Description

When using iterations with a custom serializer for a domain object, the iteration will fail.

org.apache.flink.runtime.client.JobExecutionException: com.esotericsoftware.kryo.KryoException: Buffer underflow
	at org.apache.flink.api.java.typeutils.runtime.NoFetchingInput.require(NoFetchingInput.java:76)
	at com.esotericsoftware.kryo.io.Input.readVarInt(Input.java:355)
	at com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:109)
	at com.esotericsoftware.kryo.Kryo.readClass(Kryo.java:641)
	at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:752)
	at org.apache.flink.api.java.typeutils.runtime.KryoSerializer.deserialize(KryoSerializer.java:198)
	at org.apache.flink.api.java.typeutils.runtime.KryoSerializer.deserialize(KryoSerializer.java:203)
	at org.apache.flink.runtime.io.disk.InputViewIterator.next(InputViewIterator.java:43)
	at org.apache.flink.runtime.iterative.task.IterationHeadPactTask.streamOutFinalOutputBulk(IterationHeadPactTask.java:404)
	at org.apache.flink.runtime.iterative.task.IterationHeadPactTask.run(IterationHeadPactTask.java:377)
	at org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:360)
	at org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:204)
	at java.lang.Thread.run(Thread.java:745)