apache/hadoop · error · IllegalArgumentException

filters cannot be and-ed

Error message

filters cannot be and-ed

What it means

Error "filters cannot be and-ed" thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/bloom/DynamicBloomFilter.java:161

    if (bf == null) {
      addRow();
      bf = matrix[matrix.length - 1];
      currentNbRecord = 0;
    }

    bf.add(key);

    currentNbRecord++;
  }

  @Override
  public void and(Filter filter) {
    if (filter == null
        || !(filter instanceof DynamicBloomFilter)
        || filter.vectorSize != this.vectorSize
        || filter.nbHash != this.nbHash) {
      throw new IllegalArgumentException("filters cannot be and-ed");
    }

    DynamicBloomFilter dbf = (DynamicBloomFilter)filter;

    if (dbf.matrix.length != this.matrix.length || dbf.nr != this.nr) {
      throw new IllegalArgumentException("filters cannot be and-ed");
    }

    for (int i = 0; i < matrix.length; i++) {
      matrix[i].and(dbf.matrix[i]);
    }
  }

  @Override
  public boolean membershipTest(Key key) {
    if (key == null) {
      return true;
    }

View on GitHub (pinned to 2add963021)

Solutions

1. and() requires another DynamicBloomFilter with matching configuration (same nr of vectors/buckets). Pass a compatible filter.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/bloom/DynamicBloomFilter.java:161 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/300d0c8d67ac78c5. Report an issue: GitHub.