No problem ;) I was able to reproduce the issue and filed a JIRA for it: https://issues.apache.org/jira/browse/FLINK-2019
On Fri, May 15, 2015 at 10:36 AM, Flavio Pompermaier <pomperma...@okkam.it> wrote: > Unfortunately it's really difficult for me to extract the code..I'm using > joda shipped with Flink 0.9-SNAPSHOT (i.e. 2.5) and before today I've never > seen this error..als o because DateTime is Serializable :) > > On Fri, May 15, 2015 at 10:25 AM, Fabian Hueske <fhue...@gmail.com> wrote: > >> Is there a chance that the version of JodaTime changed? >> >> 2015-05-15 10:22 GMT+02:00 Robert Metzger <rmetz...@apache.org>: >> >>> Can you share the Flink program? >>> Or at least the definition of the Tuple? >>> >>> I'll look into this issue in a few minutes. >>> >>> On Fri, May 15, 2015 at 10:13 AM, Flavio Pompermaier < >>> pomperma...@okkam.it> wrote: >>> >>>> I'm using Flink 0.9-SNAPSHOT and I've never seen this error before >>>> today (the job haven't changed..) >>>> >>>> On Fri, May 15, 2015 at 10:09 AM, Robert Metzger <rmetz...@apache.org> >>>> wrote: >>>> >>>>> Hi Flavio, >>>>> >>>>> which version of Flink are you using? >>>>> If you are using 0.9 something, then this should actually work ;) >>>>> >>>>> On Fri, May 15, 2015 at 10:06 AM, Flavio Pompermaier < >>>>> pomperma...@okkam.it> wrote: >>>>> >>>>>> Hi to all, >>>>>> >>>>>> this morning I run my Flink job and I got the following exception >>>>>> serializing a DateTime Tuple..could you help me to understand what's >>>>>> happening here? >>>>>> >>>>>> com.esotericsoftware.kryo.KryoException: Class cannot be created >>>>>> (missing no-arg constructor): org.joda.time.chrono.ISOChronology >>>>>> Serialization trace: >>>>>> iChronology (org.joda.time.DateTime) >>>>>> at >>>>>> com.esotericsoftware.kryo.Kryo$DefaultInstantiatorStrategy.newInstantiatorOf(Kryo.java:1228) >>>>>> at com.esotericsoftware.kryo.Kryo.newInstantiator(Kryo.java:1049) >>>>>> at com.esotericsoftware.kryo.Kryo.newInstance(Kryo.java:1058) >>>>>> at >>>>>> com.esotericsoftware.kryo.serializers.FieldSerializer.createCopy(FieldSerializer.java:620) >>>>>> at >>>>>> com.esotericsoftware.kryo.serializers.FieldSerializer.copy(FieldSerializer.java:624) >>>>>> at com.esotericsoftware.kryo.Kryo.copy(Kryo.java:862) >>>>>> at >>>>>> com.esotericsoftware.kryo.serializers.ObjectField.copy(ObjectField.java:140) >>>>>> at >>>>>> com.esotericsoftware.kryo.serializers.FieldSerializer.copy(FieldSerializer.java:634) >>>>>> at com.esotericsoftware.kryo.Kryo.copy(Kryo.java:862) >>>>>> at >>>>>> org.apache.flink.api.java.typeutils.runtime.GenericTypeComparator.setReference(GenericTypeComparator.java:77) >>>>>> at >>>>>> org.apache.flink.api.java.typeutils.runtime.GenericTypeComparator.setReference(GenericTypeComparator.java:1) >>>>>> at >>>>>> org.apache.flink.api.java.typeutils.runtime.TupleComparator.setReference(TupleComparator.java:72) >>>>>> at >>>>>> org.apache.flink.api.java.typeutils.runtime.TupleComparator.setReference(TupleComparator.java:1) >>>>>> at >>>>>> org.apache.flink.runtime.util.NonReusingKeyGroupedIterator.nextKey(NonReusingKeyGroupedIterator.java:115) >>>>>> at >>>>>> org.apache.flink.runtime.operators.chaining.SynchronousChainedCombineDriver.sortAndCombine(SynchronousChainedCombineDriver.java:233) >>>>>> at >>>>>> org.apache.flink.runtime.operators.chaining.SynchronousChainedCombineDriver.close(SynchronousChainedCombineDriver.java:194) >>>>>> at >>>>>> org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:504) >>>>>> at >>>>>> org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:362) >>>>>> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562) >>>>>> at java.lang.Thread.run(Thread.java:745) >>>>>> >>>>> >>>>> >>>> >>>> >>> >