Github user jeking3 commented on a diff in the pull request:

    https://github.com/apache/thrift/pull/705#discussion_r122437952
  
    --- Diff: lib/java/src/org/apache/thrift/transport/TByteBuffer.java ---
    @@ -0,0 +1,87 @@
    +package org.apache.thrift.transport;
    +
    +import java.nio.BufferOverflowException;
    +import java.nio.BufferUnderflowException;
    +import java.nio.ByteBuffer;
    +
    +/**
    + * ByteBuffer-backed implementation of TTransport.
    + */
    +public final class TByteBuffer extends TTransport {
    +  private final ByteBuffer byteBuffer;
    +
    +  /**
    +   * Creates a new TByteBuffer wrapping a given NIO ByteBuffer.
    +   */
    +  public TByteBuffer(ByteBuffer byteBuffer) {
    +    this.byteBuffer = byteBuffer;
    +  }
    +
    +  @Override
    +  public boolean isOpen() {
    +    return true;
    +  }
    +
    +  @Override
    +  public void open() {
    +  }
    +
    +  @Override
    +  public void close() {
    +  }
    +
    +  @Override
    +  public int read(byte[] buf, int off, int len) throws TTransportException 
{
    +    final int n = Math.min(byteBuffer.remaining(), len);
    +    if (n > 0) {
    +      try {
    +        byteBuffer.get(buf, off, len);
    --- End diff --
    
    This should have been "n" and not "len" as identified by PR #1290.  Failure 
of the code review system, unfortunately, and perhaps lack of a proper test for 
this method when the byteBuffer remaining space is smaller than the read size.


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