{"record":{"id":"b0142d9a00110eaf","repo":"apache/hadoop","slug":"invalid-outputs-length-b0142d","errorCode":null,"errorMessage":"Invalid outputs length","messagePattern":"Invalid outputs length","errorType":"exception","errorClass":"HadoopIllegalArgumentException","httpStatus":null,"severity":"error","filePath":"hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/EncodingState.java","lineNumber":41,"sourceCode":"/**\n * A utility class that maintains encoding state during an encode call.\n */\n@InterfaceAudience.Private\nabstract class EncodingState {\n  RawErasureEncoder encoder;\n  int encodeLength;\n\n  /**\n   * Check and validate decoding parameters, throw exception accordingly.\n   * @param inputs input buffers to check\n   * @param outputs output buffers to check\n   */\n  <T> void checkParameters(T[] inputs, T[] outputs) {\n    if (inputs.length != encoder.getNumDataUnits()) {\n      throw new HadoopIllegalArgumentException(\"Invalid inputs length\");\n    }\n    if (outputs.length != encoder.getNumParityUnits()) {\n      throw new HadoopIllegalArgumentException(\"Invalid outputs length\");\n    }\n  }\n}\n","sourceCodeStart":23,"sourceCodeEnd":45,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/EncodingState.java#L23-L45","documentation":"Error \"Invalid outputs length\" thrown in apache/hadoop.","triggerScenarios":"Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/EncodingState.java:41 when the library encounters an invalid state.","commonSituations":"Occurs when the outputs array length does not match numParityUnits for an encode call. Supply exactly numParityUnits output buffers.","solutions":["Pass exactly numParityUnits output buffers to the encoding state."],"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":"2026-08-22T20:17:22.307Z"}