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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6641) [ HDFS- File Concat ] Concat will fail when block is not full
Date Tue, 08 Jul 2014 13:29:04 GMT
Brahma Reddy Battula created HDFS-6641:

             Summary: [ HDFS- File Concat ] Concat will fail when block is not full
                 Key: HDFS-6641
                 URL: https://issues.apache.org/jira/browse/HDFS-6641
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 2.4.1
            Reporter: Brahma Reddy Battula

sually we can't ensure lastblock alwaysfull...please let me know purpose of following check..

    long blockSize = trgInode.getPreferredBlockSize();

    // check the end block to be full
    final BlockInfo last = trgInode.getLastBlock();
    if(blockSize != last.getNumBytes()) {
      throw new HadoopIllegalArgumentException("The last block in " + target
          + " is not full; last block size = " + last.getNumBytes()
          + " but file block size = " + blockSize);

If it is issue, I'll file jira.

Following is the trace..

exception in thread "main" org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.HadoopIllegalArgumentException):
The last block in /Test.txt is not full; last block size = 14 but file block size = 134217728
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.concatInternal(FSNamesystem.java:1887)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.concatInt(FSNamesystem.java:1833)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.concat(FSNamesystem.java:1795)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.concat(NameNodeRpcServer.java:704)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.concat(ClientNamenodeProtocolServerSideTranslatorPB.java:512)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)

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