apache/hadoop · error · IOException

Writing less bytes than advertised size.

Error message

Writing less bytes than advertised size.

What it means

Error "Writing less bytes than advertised size." thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/file/tfile/Chunk.java:422

      } else {
        throw new IOException("Writing more bytes than advertised size.");
      }
    }

    @Override
    public void flush() throws IOException {
      out.flush();
    }

    @Override
    public void close() throws IOException {
      if (closed == true) {
        return;
      }

      try {
        if (remain > 0) {
          throw new IOException("Writing less bytes than advertised size.");
        }
      } finally {
        closed = true;
      }
    }
  }
}

View on GitHub (pinned to 2add963021)

Solutions

1. Flush and close only after writing the full advertised entry size; do not close the appender early.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/file/tfile/Chunk.java:422 when the library encounters an invalid state.

Common situations: Occurs when a chunk is closed with fewer bytes written than advertised. Write exactly the declared number of bytes or declare the correct size.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/eb0f497a744311fb. Report an issue: GitHub.