for (final String[] row : rows) {
            if (headers != null && headers.length > 0) {
                // Associate values with column names
                final int minLength = Math.min(headers.length, row.length);
                for (int i = 0; i < minLength; i++) {
                    if (StringUtil.isNotBlank(row[i])) {
                        textBuilder.append(headers[i]).append(headerValueSeparator).append(row[i]).append(fieldSeparator);

labels.login=Login
labels.logout=Logout
# ... approximately 1,056 more entries
```

**`fess_message_[locale].properties`** contains system messages such as:
```properties
errors.required={0} is required.
errors.minlength={0} cannot be less than {1}.
success.login=Logged in successfully.
# ... approximately 200 more entries
```

### 3. Update Configuration File

Edit `src/main/resources/fess_config.properties`: