[jira] [Created] (IGNITE-5410) Invocation of HadoopOutputStream.write() with an empty array сauses an AssertionError.

[Anton Vinogradov (Jira)]

Ivan Veselovsky created IGNITE-5410:
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             Summary: Invocation of HadoopOutputStream.write() with an empty array сauses an AssertionError.
                 Key: IGNITE-5410
                 URL: https://issues.apache.org/jira/browse/IGNITE-5410
             Project: Ignite
          Issue Type: Bug
          Components: hadoop
    Affects Versions: 2.1
            Reporter: Ivan Veselovsky
            Assignee: Ivan Veselovsky
            Priority: Minor


Writing an array of zero length causes the following AssertionError:

{code}
java.lang.AssertionError: 0
        at org.apache.ignite.internal.processors.hadoop.shuffle.streams.HadoopOffheapBuffer.move(HadoopOffheapBuffer.java:95)
        at org.apache.ignite.internal.processors.hadoop.shuffle.streams.HadoopDataOutStream.move(HadoopDataOutStream.java:55)
        at org.apache.ignite.internal.processors.hadoop.shuffle.collections.HadoopMultimapBase$AdderBase$1.move(HadoopMultimapBase.java:206)
        at org.apache.ignite.internal.processors.hadoop.shuffle.streams.HadoopDataOutStream.write(HadoopDataOutStream.java:70)
        at org.apache.hadoop.io.BytesWritable.write(BytesWritable.java:187)
...
{code}

Suggested fix is to change the assertion to
{code} assert size > 0 : size; {code}



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