{"record":{"id":"414604ceaab0ba3a","repo":"apache/hadoop","slug":"input-configuration-not-recognized-trace-type-sho","errorCode":null,"errorMessage":"Input configuration not recognized, trace type should be SLS, RUMEN, or SYNTH","messagePattern":"Input configuration not recognized, trace type should be SLS, RUMEN, or SYNTH","errorType":"exception","errorClass":"YarnException","httpStatus":null,"severity":"error","filePath":"hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/AMRunner.java","lineNumber":110,"sourceCode":"\n  public void startAM() throws YarnException, IOException {\n    switch (inputType) {\n      case SLS:\n        for (String inputTrace : inputTraces) {\n          startAMFromSLSTrace(inputTrace);\n        }\n        break;\n      case RUMEN:\n        long baselineTimeMS = 0;\n        for (String inputTrace : inputTraces) {\n          startAMFromRumenTrace(inputTrace, baselineTimeMS);\n        }\n        break;\n      case SYNTH:\n        startAMFromSynthGenerator();\n        break;\n      default:\n        throw new YarnException(\"Input configuration not recognized, \"\n            + \"trace type should be SLS, RUMEN, or SYNTH\");\n    }\n\n    numAMs = amMap.size();\n    remainingApps = numAMs;\n  }\n\n  /**\n   * Parse workload from a SLS trace file.\n   */\n  private void startAMFromSLSTrace(String inputTrace) throws IOException {\n    JsonFactory jsonF = new JsonFactory();\n    ObjectMapper mapper = new ObjectMapper();\n\n    try (Reader input = new InputStreamReader(\n        new FileInputStream(inputTrace), StandardCharsets.UTF_8)) {\n      JavaType type = mapper.getTypeFactory().\n          constructMapType(Map.class, String.class, String.class);","sourceCodeStart":92,"sourceCodeEnd":128,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/AMRunner.java#L92-L128","documentation":"Error \"Input configuration not recognized, trace type should be SLS, RUMEN, or SYNTH\" thrown in apache/hadoop.","triggerScenarios":"The SLS input configuration specifies a trace type other than SLS, RUMEN, or SYNTH, so the AM runner cannot interpret the input.","commonSituations":"See trigger scenarios.","solutions":["Set sls.trace.type (input type) to one of SLS, RUMEN, or SYNTH."],"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"}