apache/hadoop · error · HadoopIllegalArgumentException

Inputs not fully corresponding to erasedIndexes in null plac

Error message

Inputs not fully corresponding to erasedIndexes in null places

What it means

Error "Inputs not fully corresponding to erasedIndexes in null places" thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/RSLegacyRawDecoder.java:147

    // Use the caller passed buffers in erasedIndexes positions
    for (int outputIdx = 0, i = 0;
         i < decodingState.erasedIndexes.length; i++) {
      boolean found = false;
      for (int j = 0; j < erasedOrNotToReadIndexes.length; j++) {
        // If this index is one requested by the caller via erasedIndexes, then
        // we use the passed output buffer to avoid copying data thereafter.
        if (decodingState.erasedIndexes[i] == erasedOrNotToReadIndexes[j]) {
          found = true;
          adjustedByteArrayOutputsParameter[j] = CoderUtil.resetBuffer(
              decodingState.outputs[outputIdx],
              decodingState.outputOffsets[outputIdx], dataLen);
          adjustedOutputOffsets[j] = decodingState.outputOffsets[outputIdx];
          outputIdx++;
        }
      }
      if (!found) {
        throw new HadoopIllegalArgumentException(
            "Inputs not fully corresponding to erasedIndexes in null places");
      }
    }
    // Use shared buffers for other positions (not set yet)
    for (int bufferIdx = 0, i = 0; i < erasedOrNotToReadIndexes.length; i++) {
      if (adjustedByteArrayOutputsParameter[i] == null) {
        adjustedByteArrayOutputsParameter[i] = CoderUtil.resetBuffer(
            checkGetBytesArrayBuffer(bytesArrayBuffers, bufferIdx, dataLen),
            0, dataLen);
        adjustedOutputOffsets[i] = 0; // Always 0 for such temp output
        bufferIdx++;
      }
    }

    doDecodeImpl(decodingState.inputs, decodingState.inputOffsets,
        dataLen, erasedOrNotToReadIndexes,
        adjustedByteArrayOutputsParameter, adjustedOutputOffsets);
  }

View on GitHub (pinned to 2add963021)

Solutions

1. Place nulls in the inputs array exactly at erasedIndexes positions and valid buffers everywhere else.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/RSLegacyRawDecoder.java:147 when the library encounters an invalid state.

Common situations: Occurs when null placeholders in the inputs array do not line up with erasedIndexes. Null out exactly the positions listed in erasedIndexes before decoding.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/32b9f8da5d3e73a9. Report an issue: GitHub.