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) >
