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From "Pavan Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-821) proper handling of NegativeArraySizeException for all ByteArray backed messagestores
Date Tue, 07 Jan 2014 19:53:52 GMT
Pavan Kumar created GIRAPH-821:
----------------------------------

             Summary:  proper handling of NegativeArraySizeException for all ByteArray backed
messagestores
                 Key: GIRAPH-821
                 URL: https://issues.apache.org/jira/browse/GIRAPH-821
             Project: Giraph
          Issue Type: Improvement
            Reporter: Pavan Kumar
            Assignee: Pavan Kumar
            Priority: Minor


For byte array backed message stores (i.e.     LongByteArrayMessageStore, ByteArrayMessagesPerVertexMessageStore,
and IntByteArrayMessageStore)     currently, when the byte[] of underlying ExtendedDataOuput
runs out of space (i.e. UnsafeByteArrayOutputStream)     we see java.lang.NegativeArraySizeException
in the SendWorkerMessagesRequest.     We want to catch the exception dump the known vertex
information and explain the issue     (the amount of bytes sent to this vertex exceeded the
max capacity of this ExtendedDataOutput).      In this diff all ByteArray backed messagestores
have been modified to behave as explained.



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