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Date: Tue, 16 May 2017 17:15:04 +0000 (UTC)
From: "Mukul Kumar Singh (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
Message-ID: <JIRA.13072525.1494954872000.223171.1494954904581@Atlassian.JIRA>
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Subject: [jira] [Created] (HDFS-11835) Block Storage: Overwrite of blocks
 fails
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archived-at: Tue, 16 May 2017 17:15:12 -0000

Mukul Kumar Singh created HDFS-11835:
----------------------------------------

             Summary: Block Storage: Overwrite of blocks fails
                 Key: HDFS-11835
                 URL: https://issues.apache.org/jira/browse/HDFS-11835
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: hdfs
            Reporter: Mukul Kumar Singh
            Assignee: Mukul Kumar Singh


Overwrite of blocks fails, because "OverWriteRequested" flag is not set during chunk creation.
{code}
2017-05-16 22:33:23,909 [nioEventLoopGroup-5-2] ERROR      - Rejecting write chunk request. Chunk overwrite without explicit request. ChunkInfo{chunkName='1_chunk, offset=0, len=
11933}
{code}


This flag needs to be set here 
{code}
public static void writeSmallFile(XceiverClientSpi client, String containerName,
      String key, byte[] data, String traceID) throws IOException {
.....
    ChunkInfo chunk = ChunkInfo
        .newBuilder()
        .setChunkName(key + "_chunk")
        .setOffset(0)
        .setLen(data.length)
        .build();
{code}


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