apache/hadoop · error · InvalidConfigurationValueException

Invalid configuration value detected for %s

Error message

Invalid configuration value detected for %s

What it means

Error "Invalid configuration value detected for %s" thrown in apache/hadoop.

Source

Thrown at hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/diagnostics/LongConfigurationBasicValidator.java:48

  private final long max;

  public LongConfigurationBasicValidator(final long min, final long max, final long defaultVal, final String configKey, final boolean throwIfInvalid) {
    super(configKey, defaultVal, throwIfInvalid);
    this.min = min;
    this.max = max;
  }

  public Long validate(final String configValue) throws InvalidConfigurationValueException {
    Long result = super.validate(configValue);
    if (result != null) {
      return result;
    }

    try {
      result = Long.parseLong(configValue);
      // throw an exception if a 'within bounds' value is missing
      if (getThrowIfInvalid() && (result < this.min || result > this.max)) {
        throw new InvalidConfigurationValueException(getConfigKey());
      }

      // set the value to the nearest bound if it's out of bounds
      if (result < this.min) {
        return this.min;
      } else if (result > this.max) {
        return this.max;
      }
    } catch (NumberFormatException ex) {
      throw new InvalidConfigurationValueException(getConfigKey(), ex);
    }

    return result;
  }
}

View on GitHub (pinned to 2add963021)

Solutions

1. Set the named configuration key to a valid long integer value.
2. Verify the value is within the long range and contains no illegal characters.

When it happens

Trigger: A long-typed configuration property holds an invalid value during ABFS configuration validation.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/ff467bd4ccd48976. Report an issue: GitHub.