here it is: https://issues.apache.org/jira/browse/FLINK-2800
saluti, Stefano 2015-10-01 18:50 GMT+02:00 Stephan Ewen <se...@apache.org>: > This looks to me like a bug where type registrations are not properly > forwarded to all Serializers. > > Can you open a JIRA ticket for this? > > On Thu, Oct 1, 2015 at 6:46 PM, Stefano Bortoli <s.bort...@gmail.com> > wrote: > >> Hi guys, >> >> I hit a Kryo exception while running a process 'crossing' POJOs datasets. >> I am using the 0.10-milestone-1. >> Checking the serializer: >> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:210) >> >> I have noticed that the Kryo instance is reused along serialization calls >> (e.g. line 187). However, Kryo is not threadsafe, and therefore I think it >> may cause the problem due to possible race condition. We had these types of >> issues solved with a KryoFactory implementing a pool. Perhaps it should >> just a matter of calling the >> >> what should I do? Open a ticket? >> >> Thanks a lot guys for the great job! >> >> saluti, >> Stefano >> >> ----------------------------------------- >> com.esotericsoftware.kryo.KryoException: Encountered unregistered class >> ID: 114 >> at >> com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:119) >> 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.kryo.KryoSerializer.deserialize(KryoSerializer.java:210) >> at >> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.deserialize(TupleSerializer.java:127) >> at >> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.deserialize(TupleSerializer.java:30) >> at >> org.apache.flink.runtime.operators.resettable.AbstractBlockResettableIterator.getNextRecord(AbstractBlockResettableIterator.java:180) >> at >> org.apache.flink.runtime.operators.resettable.BlockResettableMutableObjectIterator.next(BlockResettableMutableObjectIterator.java:111) >> at >> org.apache.flink.runtime.operators.CrossDriver.runBlockedOuterSecond(CrossDriver.java:309) >> at >> org.apache.flink.runtime.operators.CrossDriver.run(CrossDriver.java:162) >> at >> org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:489) >> at >> org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:354) >> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:581) >> at java.lang.Thread.run(Thread.java:745) >> > >