apache/hadoop · error · SASTokenProviderException

Unable to load SAS token provider class: {e}

Error message

Unable to load SAS token provider class: {e}

What it means

Error "Unable to load SAS token provider class: {e}" thrown in apache/hadoop.

Source

Thrown at hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java:1664

        SASTokenProvider sasTokenProvider = ReflectionUtils.newInstance(
            customSasTokenProviderImplementation, rawConfig);
        if (sasTokenProvider == null) {
          throw new SASTokenProviderException(String.format(
              "Failed to initialize %s", customSasTokenProviderImplementation));
        }
        LOG.trace("Initializing {}", customSasTokenProviderImplementation.getName());
        sasTokenProvider.initialize(rawConfig, accountName);
        LOG.trace("{} init complete", customSasTokenProviderImplementation.getName());
        return sasTokenProvider;
      } else {
        LOG.trace("Using FixedSASTokenProvider implementation");
        FixedSASTokenProvider fixedSASTokenProvider = new FixedSASTokenProvider(configuredFixedToken);
        return fixedSASTokenProvider;
      }
    } catch (SASTokenProviderException e) {
      throw e;
    } catch (Exception e) {
      throw new SASTokenProviderException(
          "Unable to load SAS token provider class: " + e, e);
    }
  }

  /**
   * Returns the SASTokenProvider implementation to be used to generate user-bound SAS token.
   * Custom implementation of {@link SASTokenProvider} under th config
   * "fs.azure.sas.token.provider.type" needs to be provided.
   * @param authType authentication type
   * @return sasTokenProvider object based on configurations provided
   * @throws AzureBlobFileSystemException is user-bound SAS token provider initialization fails
   */
  public SASTokenProvider getUserBoundSASTokenProvider(AuthType authType)
      throws AzureBlobFileSystemException {

    try {
      Class<? extends SASTokenProvider> customSasTokenProviderImplementation =
          getTokenProviderClass(authType, FS_AZURE_SAS_TOKEN_PROVIDER_TYPE,

View on GitHub (pinned to 2add963021)

Solutions

1. Ensure the SAS token provider class named in configuration is on the classpath and can be loaded.

When it happens

Trigger: Thrown at hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java:1664 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/56bb82c4d90270e8. Report an issue: GitHub.