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Posted to hdfs-issues@hadoop.apache.org by "SammiChen (JIRA)" <ji...@apache.org> on 2017/09/05 03:10:01 UTC

[jira] [Created] (HDFS-12392) Randomly read striped file failure

SammiChen created HDFS-12392:
--------------------------------

             Summary: Randomly read striped file failure
                 Key: HDFS-12392
                 URL: https://issues.apache.org/jira/browse/HDFS-12392
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: erasure-coding
    Affects Versions: 3.0.0-alpha3
            Reporter: SammiChen


Root cause: The buffer size returned by ElasticByteBufferPool.getBuffer() is more than caller expected.


Exception stack:
org.apache.hadoop.HadoopIllegalArgumentException: Invalid buffer, not of length 4096

	at org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferEncodingState.checkBuffers(ByteBufferEncodingState.java:99)
	at org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferEncodingState.<init>(ByteBufferEncodingState.java:46)
	at org.apache.hadoop.io.erasurecode.rawcoder.RawErasureEncoder.encode(RawErasureEncoder.java:67)
	at org.apache.hadoop.hdfs.DFSStripedOutputStream.encode(DFSStripedOutputStream.java:368)
	at org.apache.hadoop.hdfs.DFSStripedOutputStream.writeParityCells(DFSStripedOutputStream.java:942)
	at org.apache.hadoop.hdfs.DFSStripedOutputStream.writeChunk(DFSStripedOutputStream.java:547)
	at org.apache.hadoop.fs.FSOutputSummer.writeChecksumChunks(FSOutputSummer.java:217)
	at org.apache.hadoop.fs.FSOutputSummer.write1(FSOutputSummer.java:125)
	at org.apache.hadoop.fs.FSOutputSummer.write(FSOutputSummer.java:111)
	at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:57)
	at java.io.DataOutputStream.write(DataOutputStream.java:107)
	at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:94)
	at org.apache.hadoop.hdfs.DFSTestUtil.writeFile(DFSTestUtil.java:834)



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