byte[] aBytes = body.getBytes();
int split = 125;
ByteBufAllocator aAlloc = new UnpooledByteBufAllocator(true);
ByteBuf aSmallBuf = aAlloc.heapBuffer(split, split);
ByteBuf aLargeBuf = aAlloc.heapBuffer(aBytes.length - split, aBytes.length - split);
aSmallBuf.writeBytes(aBytes, 0, split);
aLargeBuf.writeBytes(aBytes, split, aBytes.length - split);
aDecoder.offer(releaseLater(new DefaultHttpContent(aSmallBuf)));