* Creates a new instance of ChildUrlsException.
     * @param childUrlList The list of child URLs.
     * @param description The description of the exception.
     */
    public ChildUrlsException(final Set<RequestData> childUrlList, final String description) {
        super("Threw child urls(" + childUrlList.size() + "). " + description, false, false);
        this.childUrlList = childUrlList;
    }

    /**

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	<modelVersion>4.0.0</modelVersion>
	<artifactId>fess-crawler-lasta</artifactId>
	<packaging>jar</packaging>
	<name>Fess Crawler for LastaFlute</name>
	<description>This is LastaFlute support.</description>
	<parent>
		<groupId>org.codelibs.fess</groupId>
		<artifactId>fess-crawler-parent</artifactId>
		<version>15.3.0-SNAPSHOT</version>
		<relativePath>../pom.xml</relativePath>
	</parent>
	<build>

	<groupId>org.codelibs.fess</groupId>
	<artifactId>fess-crawler-parent</artifactId>
	<version>15.3.0-SNAPSHOT</version>
	<packaging>pom</packaging>
	<name>Fess Crawler Project</name>
	<description>Fess Crawler is Crawler Framework.</description>
	<url>https://github.com/codelibs/fess-crawler</url>
	<inceptionYear>2009</inceptionYear>
	<licenses>
		<license>
			<name>The Apache Software License, Version 2.0</name>

**Describe the bug**
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**To Reproduce**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behavior**
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**Screenshots**
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