// longer than necessary.
        submitting = null;
      }
    }

    @SuppressWarnings("ShortCircuitBoolean")
    @Override
    public void run() {
      Thread currentThread = Thread.currentThread();
      if (currentThread != submitting) {
        /*
         * requireNonNull is safe because we set `task` before submitting this Runnable to an

        // longer than necessary.
        submitting = null;
      }
    }

    @SuppressWarnings("ShortCircuitBoolean")
    @Override
    public void run() {
      Thread currentThread = Thread.currentThread();
      if (currentThread != submitting) {
        /*
         * requireNonNull is safe because we set `task` before submitting this Runnable to an

4. **Verify translations:**
   - Navigate through different admin pages
   - Check that labels and messages appear in your language
   - Test error messages by submitting invalid forms

## Configuration Details

### Key Configuration Files

| File | Purpose |
|------|---------|
| `fess_config.properties` | Main configuration file containing `supported.languages` |

mvn license:format
```

### Code Style

- Follow Java coding conventions
- Use proper JavaDoc comments for public APIs
- Include unit tests for new functionality
- Ensure all tests pass before submitting PR

## License

    long timeoutNanos = unit.toNanos(timeout);

    // For efficiency, especially in executors with limited
    // parallelism, check to see if previously submitted tasks are
    // done before submitting more of them. This interleaving
    // plus the exception mechanics account for messiness of main
    // loop.

    try {
      // Record exceptions so that if we fail to obtain any