Forget what I just said, didn't realize that it's Scala :) 2015-01-29 16:24 GMT+01:00 Alexander Alexandrov < alexander.s.alexand...@gmail.com>:
> have you tried declaring your UDF classes (e.g. TotalRankDistribution) as > static? > > 2015-01-29 16:14 GMT+01:00 Arvid Heise <arvid.he...@gmail.com>: > >> Hi Flinker, >> >> I'm currently desparetely trying to get a workflow to run remotely on a >> server. The workflow works fine in the local execution environment (both >> with ExecutionEnvironment.getExecutionEnvironment and >> ExecutionEnvironment.createLocalEnvironment(2)). >> >> On the server, I get >> >> 01/29/2015 16:05:22: GroupReduce (GroupReduce at >> de.bund.bfr.flink.outbreakanalysis.OutbreakAnalysis$.main(OutbreakAnalysis.scala:79)) >> (1/1) switched to FAILED >> java.lang.RuntimeException: : Repeated instantiation of serializer failed. >> at >> org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:340) >> at >> org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:257) >> at java.lang.Thread.run(Thread.java:722) >> Caused by: java.lang.RuntimeException: Repeated instantiation of >> serializer failed. >> at >> org.apache.flink.api.java.typeutils.runtime.RuntimeStatefulSerializerFactory.getSerializer(RuntimeStatefulSerializerFactory.java:102) >> at >> org.apache.flink.api.java.typeutils.runtime.TupleComparatorBase.instantiateDeserializationUtils(TupleComparatorBase.java:267) >> at >> org.apache.flink.api.scala.typeutils.CaseClassComparator.duplicate(CaseClassComparator.scala:42) >> at >> org.apache.flink.runtime.operators.sort.UnilateralSortMerger.<init>(UnilateralSortMerger.java:360) >> at >> org.apache.flink.runtime.operators.sort.UnilateralSortMerger.<init>(UnilateralSortMerger.java:227) >> at >> org.apache.flink.runtime.operators.sort.UnilateralSortMerger.<init>(UnilateralSortMerger.java:195) >> at >> org.apache.flink.runtime.operators.RegularPactTask.initInputLocalStrategy(RegularPactTask.java:981) >> at >> org.apache.flink.runtime.operators.RegularPactTask.initLocalStrategies(RegularPactTask.java:842) >> at >> org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:336) >> ... 2 more >> Caused by: java.lang.ClassNotFoundException: >> de.bund.bfr.flink.outbreakanalysis.OutbreakAnalysis$$anon$13$$anon$14$$anon$15 >> >> The class is of course in the submitted jar and I use the same flink and >> java version on both machines. Could it be that the wrong class loader is >> used for duplicating the comparator? >> >> The code is available here >> https://github.com/SiLeBAT/Other/tree/master/de.bund.bfr.flink.outbreakanalysis >> . >> If you need help to invoke the program, please msg me privately, so that >> I can send you the non-public datasets. >> >> Thank you in advance, >> >> Arvid >> > >
