private RouterException buildChunkException(String message, RouterErrorCode errorCode) {
      return new RouterException(message + ". Chunk ID: " + chunkBlobId + " Blob ID: " + blobId, errorCode);
    }
@param message the message to include in the exception.
@param errorCode the error code to use.
@return a {@link RouterException} with additional info about the chunk that failed.
ambry-router/src/main/java/com/github/ambry/router/GetBlobOperation.java