{"record":{"id":"300d0c8d67ac78c5","repo":"apache/hadoop","slug":"filters-cannot-be-and-ed-300d0c","errorCode":null,"errorMessage":"filters cannot be and-ed","messagePattern":"filters cannot be and-ed","errorType":"validation","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/bloom/DynamicBloomFilter.java","lineNumber":161,"sourceCode":"\n    if (bf == null) {\n      addRow();\n      bf = matrix[matrix.length - 1];\n      currentNbRecord = 0;\n    }\n\n    bf.add(key);\n\n    currentNbRecord++;\n  }\n\n  @Override\n  public void and(Filter filter) {\n    if (filter == null\n        || !(filter instanceof DynamicBloomFilter)\n        || filter.vectorSize != this.vectorSize\n        || filter.nbHash != this.nbHash) {\n      throw new IllegalArgumentException(\"filters cannot be and-ed\");\n    }\n\n    DynamicBloomFilter dbf = (DynamicBloomFilter)filter;\n\n    if (dbf.matrix.length != this.matrix.length || dbf.nr != this.nr) {\n      throw new IllegalArgumentException(\"filters cannot be and-ed\");\n    }\n\n    for (int i = 0; i < matrix.length; i++) {\n      matrix[i].and(dbf.matrix[i]);\n    }\n  }\n\n  @Override\n  public boolean membershipTest(Key key) {\n    if (key == null) {\n      return true;\n    }","sourceCodeStart":143,"sourceCodeEnd":179,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/bloom/DynamicBloomFilter.java#L143-L179","documentation":"Error \"filters cannot be and-ed\" thrown in apache/hadoop.","triggerScenarios":"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.","commonSituations":"See trigger scenarios.","solutions":["and() requires another DynamicBloomFilter with matching configuration (same nr of vectors/buckets). Pass a compatible filter."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2add9630210752f88ceb1bb74eb65e37bf41da8e","analyzedAt":"2026-08-22T19:55:07.957Z","schemaVersion":2},"datasetVersion":"2026-08-23T01:17:44.959Z"}