apache/hadoop · error · IOException

Failed to update delegation key in SQL secret manager

Error message

Failed to update delegation key in SQL secret manager

What it means

Error "Failed to update delegation key in SQL secret manager" thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/SQLDelegationTokenSecretManager.java:361

      throw new IOException("Failed to store delegation key in SQL secret manager", e);
    }
  }

  /**
   * Updates an existing DelegationKey in the SQL database.
   * @param key Updated DelegationKey.
   */
  @Override
  protected void updateDelegationKey(DelegationKey key) throws IOException {
    try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos)) {
      key.write(dos);
      // Update delegation key in SQL database
      updateDelegationKey(key.getKeyId(), bos.toByteArray());
      // Update delegation key in local cache
      super.updateDelegationKey(key);
    } catch (SQLException e) {
      throw new IOException("Failed to update delegation key in SQL secret manager", e);
    }
  }

  /**
   * Removes the existing DelegationKey from the SQL database to
   * invalidate it.
   * @param key DelegationKey to remove from the SQL database.
   */
  @Override
  protected void removeStoredMasterKey(DelegationKey key) {
    try {
      deleteDelegationKey(key.getKeyId());
    } catch (SQLException e) {
      LOG.warn("Failed to remove delegation key in SQL secret manager", e);
    }
  }

  /**

View on GitHub (pinned to 2add963021)

Solutions

1. Updating the delegation key row failed. Confirm the key row exists and the connection is healthy; see the chained SQLException.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/SQLDelegationTokenSecretManager.java:361 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/fabe81099da553c5. Report an issue: GitHub.