{"record":{"id":"cbe7a8aae8a1403b","repo":"apache/hadoop","slug":"can-t-get-key-from-key-providerof-type","errorCode":null,"errorMessage":"Can't get key {} from key providerof type: {}.","messagePattern":"Can't get key (.+?) from key providerof type: (.+?)\\.","errorType":"exception","errorClass":"IOException","httpStatus":null,"severity":"error","filePath":"hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java","lineNumber":2482,"sourceCode":"   */\n  public char[] getPasswordFromCredentialProviders(String name)\n      throws IOException {\n    char[] pass = null;\n    try {\n      List<CredentialProvider> providers =\n          CredentialProviderFactory.getProviders(this);\n\n      if (providers != null) {\n        for (CredentialProvider provider : providers) {\n          try {\n            CredentialEntry entry = getCredentialEntry(provider, name);\n            if (entry != null) {\n              pass = entry.getCredential();\n              break;\n            }\n          }\n          catch (IOException ioe) {\n            throw new IOException(\"Can't get key \" + name + \" from key provider\" +\n            \t\t\"of type: \" + provider.getClass().getName() + \".\", ioe);\n          }\n        }\n      }\n    }\n    catch (IOException ioe) {\n      throw new IOException(\"Configuration problem with provider path.\", ioe);\n    }\n\n    return pass;\n  }\n\n  /**\n   * Fallback to clear text passwords in configuration.\n   * @param name the property name.\n   * @return clear text password or null\n   */\n  protected char[] getPasswordFromConfig(String name) {","sourceCodeStart":2464,"sourceCodeEnd":2500,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java#L2464-L2500","documentation":"Error \"Can't get key {} from key providerof type: {}.\" thrown in apache/hadoop.","triggerScenarios":"Raised at runtime when the documented precondition or configuration requirement for this operation is violated.","commonSituations":"Misconfigured or missing property, invalid user input, or calling the API before its prerequisites are met.","solutions":["Check the KeyProvider configuration and that the named key exists in the provider backing the credential."],"exampleFix":"List keys with 'hadoop key list' and create the missing key.","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"}