apache/hadoop · error · UnsupportedOperationException

Token cancel is not supported for {token.kind} tokens

Error message

Token cancel is not supported  for {token.kind} tokens

What it means

Error "Token cancel is not supported for {token.kind} tokens" thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java:549

    public boolean handleKind(Text kind) {
      return kind.equals(getKind());
    }

    @Override
    public boolean isManaged(Token<?> token) {
      return false;
    }

    @Override
    public long renew(Token<?> token, Configuration conf) {
      throw new UnsupportedOperationException("Token renewal is not supported "+
                                              " for " + token.kind + " tokens");
    }

    @Override
    public void cancel(Token<?> token, Configuration conf) throws IOException,
        InterruptedException {
      throw new UnsupportedOperationException("Token cancel is not supported " +
          " for " + token.kind + " tokens");
    }

  }
  private static final TokenRenewer TRIVIAL_RENEWER = new TrivialRenewer();
}

View on GitHub (pinned to 2add963021)

Solutions

1. This token kind ({token.kind}) cannot be cancelled. Let it expire naturally, or use a token implementation whose TokenRenewer supports cancellation for this kind.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java:549 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/844468d9114a7d85. Report an issue: GitHub.