{"record":{"id":"955e94c872a39a89","repo":"apache/hadoop","slug":"keyproviderclass-specified-in-config-is-not-a-va","errorCode":null,"errorMessage":"{keyProviderClass} specified in config is not a valid KeyProvider class.","messagePattern":"(.+?) specified in config is not a valid KeyProvider class\\.","errorType":"validation","errorClass":"KeyProviderException","httpStatus":null,"severity":"error","filePath":"hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java","lineNumber":1093,"sourceCode":"    String key;\n    String keyProviderClass = get(AZURE_KEY_ACCOUNT_KEYPROVIDER);\n    KeyProvider keyProvider;\n\n    if (keyProviderClass == null) {\n      // No key provider was provided so use the provided key as is.\n      keyProvider = new SimpleKeyProvider();\n    } else {\n      // create an instance of the key provider class and verify it\n      // implements KeyProvider\n      Object keyProviderObject;\n      try {\n        Class<?> clazz = rawConfig.getClassByName(keyProviderClass);\n        keyProviderObject = clazz.newInstance();\n      } catch (Exception e) {\n        throw new KeyProviderException(\"Unable to load key provider class \" + keyProviderClass, e);\n      }\n      if (!(keyProviderObject instanceof KeyProvider)) {\n        throw new KeyProviderException(keyProviderClass\n                + \" specified in config is not a valid KeyProvider class.\");\n      }\n      keyProvider = (KeyProvider) keyProviderObject;\n    }\n    key = keyProvider.getStorageAccountKey(accountName, rawConfig);\n\n    if (key == null) {\n      throw new ConfigurationPropertyNotFoundException(accountName);\n    }\n\n    return key;\n  }\n\n  public Configuration getRawConfiguration() {\n    return this.rawConfig;\n  }\n\n  public int getWriteBufferSize() {","sourceCodeStart":1075,"sourceCodeEnd":1111,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java#L1075-L1111","documentation":"Error \"{keyProviderClass} specified in config is not a valid KeyProvider class.\" thrown in apache/hadoop.","triggerScenarios":"Thrown at hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java:1093 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Configure a class that implements KeyProvider for the ABFS key provider configuration key."],"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"}