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) >>> >> >> > >
