{"record":{"id":"443eb9dad70619a5","repo":"apache/hadoop","slug":"checksum-algorithm-is-not-supported-s","errorCode":null,"errorMessage":"Checksum algorithm is not supported: %s","messagePattern":"Checksum algorithm is not supported: (.+?)","errorType":"exception","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/ChecksumSupport.java","lineNumber":91,"sourceCode":"  public static ChecksumAlgorithm getChecksumAlgorithm(Configuration conf) {\n    return ConfigurationHelper.resolveEnum(conf,\n        CHECKSUM_ALGORITHM,\n        ChecksumAlgorithm.class,\n        configValue -> {\n          // default values and handling algorithms names without underscores.\n          String val = configValue == null\n              ? NONE\n              : configValue.toUpperCase(Locale.ROOT);\n          switch (val) {\n          case \"\":\n          case NONE:\n            return null;\n          case CRC32C:\n            return ChecksumAlgorithm.CRC32_C;\n          case CRC64NVME:\n            return ChecksumAlgorithm.CRC64_NVME;\n          default:\n            throw new IllegalArgumentException(\"Checksum algorithm is not supported: \"\n                + configValue);\n          }\n        });\n  }\n}\n","sourceCodeStart":73,"sourceCodeEnd":97,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/ChecksumSupport.java#L73-L97","documentation":"Error \"Checksum algorithm is not supported: %s\" thrown in apache/hadoop.","triggerScenarios":"Thrown at hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/ChecksumSupport.java:91 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Use a supported checksum algorithm (e.g. CRC32C, SHA256) in the configuration."],"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"}