runzhiwang commented on a change in pull request #210:
URL: https://github.com/apache/incubator-ratis/pull/210#discussion_r496309974



##########
File path: 
ratis-netty/src/main/java/org/apache/ratis/netty/client/DataStreamReplyDecoder.java
##########
@@ -29,25 +29,22 @@
 
   @Override
   protected void decode(ChannelHandlerContext channelHandlerContext,
-                        ByteBuf byteBuf, List<Object> list) throws Exception {
+                        ByteBuf byteBuf, List<Object> list) {
 
     if(byteBuf.readableBytes() >= 24){
       long streamId = byteBuf.readLong();
       long dataOffset = byteBuf.readLong();
       long dataLength = byteBuf.readLong();
       if(byteBuf.readableBytes() >= dataLength){
-        DataStreamReplyImpl reply = new DataStreamReplyImpl(streamId,
+        DataStreamReplyByteBuffer reply = new 
DataStreamReplyByteBuffer(streamId,
             dataOffset,
             byteBuf.slice(byteBuf.readerIndex(), (int) 
dataLength).nioBuffer());
         byteBuf.readerIndex(byteBuf.readerIndex() + (int)dataLength);
         byteBuf.markReaderIndex();
         list.add(reply);
       } else {
         byteBuf.resetReaderIndex();
-        return;

Review comment:
       if byteBuf.readableBytes() >= dataLength is false, do we need to print 
err log ?




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