* @throws DictionaryException if the input stream cannot be parsed.
     */
    protected void reload(final StemmerOverrideUpdater updater, final InputStream in) {
        final Pattern parsePattern = Pattern.compile("(.*?)\\s*+=>\\s*+(.*?)\\s*+$");
        final List<StemmerOverrideItem> itemList = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {
            long id = 0;

     * @param in the input stream to read the mapping data from
     */
    protected void reload(final MappingUpdater updater, final InputStream in) {
        final Pattern parsePattern = Pattern.compile("(.*?)\\s*+=>\\s*+(.*?)\\s*+$");
        final List<CharMappingItem> itemList = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {
            long id = 0;

     * @return A map of filtered environment variables.
     */
    public Map<String, String> getFilteredEnvMap(final String keyPattern) {
        final Pattern pattern = Pattern.compile(keyPattern);
        return getEnvMap().entrySet().stream().filter(e -> {
            final String key = e.getKey();
            if (StringUtil.isBlank(key)) {
                return false;
            }

			</plugin>
			<plugin>
				<groupId>org.codelibs.maven</groupId>
				<artifactId>yuicompressor-maven-plugin</artifactId>
				<version>2.0.0</version>
				<executions>
					<execution>
						<phase>compile</phase>
						<goals>
							<goal>compress</goal>
						</goals>
					</execution>
				</executions>
				<configuration>
					<nosuffix>true</nosuffix>

		<artifactId>fess-crawler-parent</artifactId>
		<version>15.4.1-SNAPSHOT</version>
		<relativePath>../pom.xml</relativePath>
	</parent>
	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-source-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-surefire-plugin</artifactId>
			</plugin>
			<plugin>

		<artifactId>fess-crawler-parent</artifactId>
		<version>15.4.1-SNAPSHOT</version>
		<relativePath>../pom.xml</relativePath>
	</parent>
	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-source-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-surefire-plugin</artifactId>
			</plugin>
			<plugin>

	  <tag>HEAD</tag>
  </scm>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.14.0</version>
				<configuration>
					<encoding>UTF-8</encoding>
					<release>21</release>
				</configuration>
			</plugin>
			<plugin>

	<parent>
		<groupId>org.codelibs.fess</groupId>
		<artifactId>fess-parent</artifactId>
		<version>15.4.0</version>
		<relativePath />
	</parent>
	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-source-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>net.revelc.code.formatter</groupId>

	  <tag>HEAD</tag>
  </scm>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.14.0</version>
				<configuration>
					<encoding>UTF-8</encoding>
					<release>17</release>
				</configuration>
			</plugin>
			<plugin>

### Docker

We provide Docker images on [ghcr.io](https://github.com/orgs/codelibs/packages). We also provide a Docker Compose (YAML) file in [this repository](https://github.com/codelibs/docker-fess/tree/master/compose). 

### Browser UI

- Search UI: http://localhost:8080/

![Search UI](https://fess.codelibs.org/_images/fess_search_result1.png)