{"record":{"id":"f94032cba8bdd282","repo":"apache/hadoop","slug":"invalid-authflavor-value","errorCode":null,"errorMessage":"Invalid AuthFlavor value ","messagePattern":"Invalid AuthFlavor value ","errorType":"exception","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/oncrpc/security/RpcAuthInfo.java","lineNumber":50,"sourceCode":"    RPCSEC_GSS(6);\n\n    private int value;\n\n    AuthFlavor(int value) {\n      this.value = value;\n    }\n\n    public int getValue() {\n      return value;\n    }\n\n    static AuthFlavor fromValue(int value) {\n      for (AuthFlavor v : values()) {\n        if (v.value == value) {\n          return v;\n        }\n      }\n      throw new IllegalArgumentException(\"Invalid AuthFlavor value \" + value);\n    }\n  }\n\n  private final AuthFlavor flavor;\n\n  protected RpcAuthInfo(AuthFlavor flavor) {\n    this.flavor = flavor;\n  }\n\n  /**\n   * Load auth info.\n   * @param xdr XDR message\n   */\n  public abstract void read(XDR xdr);\n\n  /** Write auth info.\n   * @param xdr XDR message\n   */","sourceCodeStart":32,"sourceCodeEnd":68,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/oncrpc/security/RpcAuthInfo.java#L32-L68","documentation":"Error \"Invalid AuthFlavor value \" thrown in apache/hadoop.","triggerScenarios":"Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/oncrpc/security/RpcAuthInfo.java:50 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify the AuthFlavor value in the RPC header is one of the supported constants; invalid values indicate corrupted traffic or a non-Hadoop client.","Check for port conflicts causing foreign protocol data to reach the RPC endpoint.","Align client and server Hadoop versions so both understand the same auth flavors."],"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"}