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From "Andra Lungu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-2412) Index Out of Bounds Exception
Date Mon, 27 Jul 2015 17:58:04 GMT
Andra Lungu created FLINK-2412:
----------------------------------

             Summary: Index Out of Bounds Exception
                 Key: FLINK-2412
                 URL: https://issues.apache.org/jira/browse/FLINK-2412
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 0.10
            Reporter: Andra Lungu


When running a code as simple as: 

		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();

		DataSet<Edge<String, NullValue>> edges = getEdgesDataSet(env);
		Graph<String, NullValue, NullValue> graph = Graph.fromDataSet(edges, env);

		DataSet<Tuple2<String, Long>> degrees = graph.getDegrees();
degrees.writeAsCsv(outputPath, "\n", " ");
			env.execute();

on the Freindster data set: https://snap.stanford.edu/data/com-Friendster.html; on 30 Wally
nodes
 
I get the following exception:
java.lang.Exception: The data preparation for task 'CoGroup (CoGroup at inDegrees(Graph.java:701))'
, caused an error: Error obtaining the sorted input: Thread 'SortMerger Reading Thread' terminated
due to an exception: Fatal error at remote task manager 'wally028.cit.tu-berlin.de/130.149.249.38:53730'.
	at org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:471)
	at org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:362)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.RuntimeException: Error obtaining the sorted input: Thread 'SortMerger
Reading Thread' terminated due to an exception: Fatal error at remote task manager 'wally028.cit.tu-berlin.de/130.149.249.38:53730'.
	at org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:607)
	at org.apache.flink.runtime.operators.RegularPactTask.getInput(RegularPactTask.java:1145)
	at org.apache.flink.runtime.operators.CoGroupDriver.prepare(CoGroupDriver.java:98)
	at org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:466)
	... 3 more
Caused by: java.io.IOException: Thread 'SortMerger Reading Thread' terminated due to an exception:
Fatal error at remote task manager 'wally028.cit.tu-berlin.de/130.149.249.38:53730'.
	at org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:784)
Caused by: org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException: Fatal
error at remote task manager 'wally028.cit.tu-berlin.de/130.149.249.38:53730'.
	at org.apache.flink.runtime.io.network.netty.PartitionRequestClientHandler.decodeMsg(PartitionRequestClientHandler.java:227)
	at org.apache.flink.runtime.io.network.netty.PartitionRequestClientHandler.channelRead(PartitionRequestClientHandler.java:162)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.io.IOException: Index: 133, Size: 0

Code works fine for the twitter data set, for instance, which is bigger in size, but contains
less vertices.  





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