[jira] [Created] (GIRAPH-963) Aggregators may fail with IllegalArgumentException upon deserialization

["Sergey Edunov (JIRA)" <ji...@apache.org>]

Sergey Edunov created GIRAPH-963:
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             Summary: Aggregators may fail with IllegalArgumentException upon deserialization
                 Key: GIRAPH-963
                 URL: https://issues.apache.org/jira/browse/GIRAPH-963
             Project: Giraph
          Issue Type: Bug
            Reporter: Sergey Edunov
            Priority: Trivial


Found this in one of the runs, fix is simple:

java.lang.IllegalArgumentException: Trying to configure configurable object without value, class …
	at org.apache.giraph.utils.ConfigurationUtils.configureIfPossible(ConfigurationUtils.java:153)
	at org.apache.giraph.utils.ReflectionUtils.newInstance(ReflectionUtils.java:111)
	at org.apache.giraph.master.AggregatorReduceOperation.initAggregator(AggregatorReduceOperation.java:65)
	at org.apache.giraph.master.AggregatorReduceOperation.readFields(AggregatorReduceOperation.java:114)
	at org.apache.giraph.master.AggregatorToGlobalCommTranslation$AggregatorWrapper.readFields(AggregatorToGlobalCommTranslation.java:288)
	at org.apache.giraph.master.AggregatorToGlobalCommTranslation.readFields(AggregatorToGlobalCommTranslation.java:184)
	at org.apache.giraph.master.BspServiceMaster.prepareCheckpointRestart(BspServiceMaster.java:823)
	at org.apache.giraph.master.BspServiceMaster.assignPartitionOwners(BspServiceMaster.java:1140)
	at org.apache.giraph.master.BspServiceMaster.coordinateSuperstep(BspServiceMaster.java:1609)
	at org.apache.giraph.master.MasterThread.run(MasterThread.java:124)



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