Hi!
That is a pretty thing indeed :-) Will try to look into this in a few
days...
Stephan
On Fri, May 27, 2016 at 12:10 PM, Flavio Pompermaier <pomperma...@okkam.it>
wrote:
> Running the job with log level set to DEBUG made the job run
> successfully...Is this meaningful..? Maybe slowing down a little bit the
> threads could help serialization?
>
>
> On Thu, May 26, 2016 at 12:34 PM, Flavio Pompermaier <pomperma...@okkam.it
> > wrote:
>
>> Still not able to reproduce the error locally but remotly :)
>> Any suggestions about how to try to reproduce it locally on a subset of
>> the data?
>> This time I had:
>>
>> com.esotericsoftware.kryo.KryoException: Unable to find class: ^Z^A
>> at
>> com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:138)
>> at
>> com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:115)
>> 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:228)
>> at
>> org.apache.flink.api.java.typeutils.runtime.PojoSerializer.deserialize(PojoSerializer.java:431)
>> at
>> org.apache.flink.runtime.plugable.NonReusingDeserializationDelegate.read(NonReusingDeserializationDelegate.java:55)
>> at
>> org.apache.flink.runtime.io.network.api.serialization.SpillingAdaptiveSpanningRecordDeserializer.getNextRecord(SpillingAdaptiveSpanningRecordDeserializer.java:124)
>> at
>> org.apache.flink.runtime.io.network.api.reader.AbstractRecordReader.getNextRecord(AbstractRecordReader.java:65)
>> at
>> org.apache.flink.runtime.io.network.api.reader.MutableRecordReader.next(MutableRecordReader.java:34)
>> at
>> org.apache.flink.runtime.operators.util.ReaderIterator.next(ReaderIterator.java:73)
>> at
>> org.apache.flink.runtime.operators.MapDriver.run(MapDriver.java:96)
>> at
>> org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:480)
>> at
>> org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:345)
>> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559)
>> at java.lang.Thread.run(Thread.java:745)
>>
>> Best,
>> Flavio
>>
>>
>> On Tue, May 24, 2016 at 5:47 PM, Flavio Pompermaier <pomperma...@okkam.it
>> > wrote:
>>
>>> Do you have any suggestion about how to reproduce the error on a subset
>>> of the data?
>>> I'm trying changing the following but I can't find a configuration
>>> causing the error :(
>>>
>>> rivate static ExecutionEnvironment getLocalExecutionEnv() {
>>> org.apache.flink.configuration.Configuration c = new
>>> org.apache.flink.configuration.Configuration();
>>> c.setString(ConfigConstants.TASK_MANAGER_TMP_DIR_KEY, "/tmp");
>>> c.setString(ConfigConstants.BLOB_STORAGE_DIRECTORY_KEY,"/tmp");
>>> c.setFloat(ConfigConstants.TASK_MANAGER_MEMORY_FRACTION_KEY,
>>> 0.9f);
>>> c.setLong(ConfigConstants.LOCAL_NUMBER_TASK_MANAGER, 4);
>>> c.setLong(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS, 4);
>>> c.setString(ConfigConstants.AKKA_ASK_TIMEOUT, "10000 s");
>>> c.setLong(ConfigConstants.TASK_MANAGER_NETWORK_NUM_BUFFERS_KEY,
>>> 2048 * 12);
>>> ExecutionEnvironment env =
>>> ExecutionEnvironment.createLocalEnvironment(c);
>>> env.setParallelism(16);
>>> env.registerTypeWithKryoSerializer(DateTime.class,
>>> JodaDateTimeSerializer.class );
>>> return env;
>>> }
>>>
>>> Best,
>>> Flavio
>>>
>>>
>>> On Tue, May 24, 2016 at 11:13 AM, Till Rohrmann <trohrm...@apache.org>
>>> wrote:
>>>
>>>> The error look really strange. Flavio, could you compile a test program
>>>> with example data and configuration to reproduce the problem. Given that,
>>>> we could try to debug the problem.
>>>>
>>>> Cheers,
>>>> Till
>>>>
>>>
>>>
>>
>
