apache/hadoop · error · NoAuthWithAWSException

{name}Credentials requested after provider list was closed

Error message

{name}Credentials requested after provider list was closed

What it means

Error "{name}Credentials requested after provider list was closed" thrown in apache/hadoop.

Source

Thrown at hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/AWSCredentialProviderList.java:164

  /**
   * Was an implementation of the v1 refresh; now just
   * a no-op.
   */
  @Deprecated
  public void refresh() {
  }

  /**
   * Iterate through the list of providers, to find one with credentials.
   * If {@link #reuseLastProvider} is true, then it is re-used.
   * @return a set of credentials (possibly anonymous), for authenticating.
   */
  @Override
  public AwsCredentials resolveCredentials() {
    if (isClosed()) {
      LOG.warn(CREDENTIALS_REQUESTED_WHEN_CLOSED);
      throw new NoAuthWithAWSException(name +
          CREDENTIALS_REQUESTED_WHEN_CLOSED);
    }
    checkNotEmpty();
    if (reuseLastProvider && lastProvider != null) {
      return lastProvider.resolveCredentials();
    }

    SdkException lastException = null;
    for (AwsCredentialsProvider provider : providers) {
      try {
        AwsCredentials credentials = provider.resolveCredentials();
        Preconditions.checkNotNull(credentials,
            "Null credentials returned by %s", provider);
        if ((credentials.accessKeyId() != null && credentials.secretAccessKey() != null) || (
            provider instanceof AnonymousCredentialsProvider
                || provider instanceof AnonymousAWSCredentialsProvider)) {
          lastProvider = provider;
          LOG.debug("Using credentials from {}", provider);

View on GitHub (pinned to 2add963021)

Solutions

1. Request credentials before closing the provider list; check lifecycle ordering in the calling code.

When it happens

Trigger: Thrown at hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/AWSCredentialProviderList.java:164 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/f59eaaa33fe968f8. Report an issue: GitHub.