[GitHub] [arrow] ParthChonkar opened a new issue, #36153: [Java] ArrowRecordBatch Body Length Computation Only Accounts for Last Buffer

["ParthChonkar (via GitHub)" <gi...@apache.org>]

ParthChonkar opened a new issue, #36153:
URL: https://github.com/apache/arrow/issues/36153

   ### Describe the bug, including details regarding any error messages, version, and platform.
   
   Hi Arrow Community,
   
   I believe `ArrowRecordBatch::computeBodyLength` has an implementation bug. It does the following 
   
   ```
       for (int i = 0; i < buffers.size(); i++) {
         ArrowBuf buffer = buffers.get(i);
         ArrowBuffer layout = buffersLayout.get(i);
         size = layout.getOffset() + buffer.readableBytes();
   
         // round up size to the next multiple of 8
         size = DataSizeRoundingUtil.roundUpTo8Multiple(size);
       }
       return size;
   ```
   
   Since `size` is being assigned and not incremented at first - computeBodyLength is only accounts for the last buffer 
   
   ### Component(s)
   
   Java


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