Examples of org.apache.hadoop.hdfs.server.datanode.ReplicaNotFoundException

Package org.apache.hadoop.hdfs.server.datanode

Examples of org.apache.hadoop.hdfs.server.datanode.ReplicaNotFoundException

org.apache.hadoop.hdfs.server.datanode.ReplicaNotFoundException
Exception indicating that DataNode does not have a replica that matches the target block.

   */
  ReplicaInfo getReplicaInfo(ExtendedBlock b)
      throws ReplicaNotFoundException {
    ReplicaInfo info = volumeMap.get(b.getBlockPoolId(), b.getLocalBlock());
    if (info == null) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.NON_EXISTENT_REPLICA + b);
    }
    return info;
  }

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   */
  private ReplicaInfo getReplicaInfo(String bpid, long blkid)
      throws ReplicaNotFoundException {
    ReplicaInfo info = volumeMap.get(bpid, blkid);
    if (info == null) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.NON_EXISTENT_REPLICA + bpid + ":" + blkid);
    }
    return info;
  }

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          " should be greater than the replica " + b + "'s generation stamp");
    }
    ReplicaInfo replicaInfo = getReplicaInfo(b);
    LOG.info("Appending to replica " + replicaInfo);
    if (replicaInfo.getState() != ReplicaState.FINALIZED) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.UNFINALIZED_REPLICA + b);
    }
    if (replicaInfo.getNumBytes() != expectedBlockLen) {
      throw new IOException("Corrupted replica " + replicaInfo + 
          " with a length of " + replicaInfo.getNumBytes() +

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    ReplicaInfo replicaInfo = getReplicaInfo(b.getBlockPoolId(), b.getBlockId());
    
    // check state
    if (replicaInfo.getState() != ReplicaState.FINALIZED &&
        replicaInfo.getState() != ReplicaState.RBW) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.UNFINALIZED_AND_NONRBW_REPLICA + replicaInfo);
    }


    // check generation stamp
    long replicaGenerationStamp = replicaInfo.getGenerationStamp();
    if (replicaGenerationStamp < b.getGenerationStamp() ||
        replicaGenerationStamp > newGS) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.UNEXPECTED_GS_REPLICA + replicaGenerationStamp
          + ". Expected GS range is [" + b.getGenerationStamp() + ", " + 
          newGS + "].");
    }

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    ReplicaInfo replicaInfo = getReplicaInfo(b.getBlockPoolId(), b.getBlockId());
    
    // check the replica's state
    if (replicaInfo.getState() != ReplicaState.RBW) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.NON_RBW_REPLICA + replicaInfo);
    }
    ReplicaBeingWritten rbw = (ReplicaBeingWritten)replicaInfo;
    
    LOG.info("Recovering replica " + rbw);


    // Stop the previous writer
    rbw.stopWriter();
    rbw.setWriter(Thread.currentThread());


    // check generation stamp
    long replicaGenerationStamp = rbw.getGenerationStamp();
    if (replicaGenerationStamp < b.getGenerationStamp() ||
        replicaGenerationStamp > newGS) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.UNEXPECTED_GS_REPLICA + b +
          ". Expected GS range is [" + b.getGenerationStamp() + ", " + 
          newGS + "].");
    }
    
    // check replica length
    if (rbw.getBytesAcked() < minBytesRcvd || rbw.getNumBytes() > maxBytesRcvd){
      throw new ReplicaNotFoundException("Unmatched length replica " + 
          replicaInfo + ": BytesAcked = " + rbw.getBytesAcked() + 
          " BytesRcvd = " + rbw.getNumBytes() + " are not in the range of [" + 
          minBytesRcvd + ", " + maxBytesRcvd + "].");
    }

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    final ReplicaInPipeline temp;
    {
      // get replica
      final ReplicaInfo r = volumeMap.get(b.getBlockPoolId(), blockId);
      if (r == null) {
        throw new ReplicaNotFoundException(
            ReplicaNotFoundException.NON_EXISTENT_REPLICA + b);
      }
      // check the replica's state
      if (r.getState() != ReplicaState.TEMPORARY) {
        throw new ReplicaAlreadyExistsException(

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        + ", length=" + newlength
        + ", replica=" + replica);


    //check replica
    if (replica == null) {
      throw new ReplicaNotFoundException(oldBlock);
    }


    //check replica state
    if (replica.getState() != ReplicaState.RUR) {
      throw new IOException("replica.getState() != " + ReplicaState.RUR

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    ReplicaInfo replicaInfo = getReplicaInfo(b.getBlockPoolId(), b.getBlockId());
    
    // check state
    if (replicaInfo.getState() != ReplicaState.FINALIZED &&
        replicaInfo.getState() != ReplicaState.RBW) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.UNFINALIZED_AND_NONRBW_REPLICA + replicaInfo);
    }


    // check generation stamp
    long replicaGenerationStamp = replicaInfo.getGenerationStamp();
    if (replicaGenerationStamp < b.getGenerationStamp() ||
        replicaGenerationStamp > newGS) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.UNEXPECTED_GS_REPLICA + replicaGenerationStamp
          + ". Expected GS range is [" + b.getGenerationStamp() + ", " + 
          newGS + "].");
    }

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    ReplicaInfo replicaInfo = getReplicaInfo(b.getBlockPoolId(), b.getBlockId());
    
    // check the replica's state
    if (replicaInfo.getState() != ReplicaState.RBW) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.NON_RBW_REPLICA + replicaInfo);
    }
    ReplicaBeingWritten rbw = (ReplicaBeingWritten)replicaInfo;
    
    LOG.info("Recovering " + rbw);


    // Stop the previous writer
    rbw.stopWriter(datanode.getDnConf().getXceiverStopTimeout());
    rbw.setWriter(Thread.currentThread());


    // check generation stamp
    long replicaGenerationStamp = rbw.getGenerationStamp();
    if (replicaGenerationStamp < b.getGenerationStamp() ||
        replicaGenerationStamp > newGS) {
      throw new ReplicaNotFoundException(
          ReplicaNotFoundException.UNEXPECTED_GS_REPLICA + b +
          ". Expected GS range is [" + b.getGenerationStamp() + ", " + 
          newGS + "].");
    }
    
    // check replica length
    long bytesAcked = rbw.getBytesAcked();
    long numBytes = rbw.getNumBytes();
    if (bytesAcked < minBytesRcvd || numBytes > maxBytesRcvd){
      throw new ReplicaNotFoundException("Unmatched length replica " + 
          replicaInfo + ": BytesAcked = " + bytesAcked + 
          " BytesRcvd = " + numBytes + " are not in the range of [" + 
          minBytesRcvd + ", " + maxBytesRcvd + "].");
    }

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    final ReplicaInPipeline temp;
    {
      // get replica
      final ReplicaInfo r = volumeMap.get(b.getBlockPoolId(), blockId);
      if (r == null) {
        throw new ReplicaNotFoundException(
            ReplicaNotFoundException.NON_EXISTENT_REPLICA + b);
      }
      // check the replica's state
      if (r.getState() != ReplicaState.TEMPORARY) {
        throw new ReplicaAlreadyExistsException(

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org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl

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