[cas-user] Which dependencies can I remove if I am not using embedded Tomcat?

[Ganesh Prasad]

Hi all,

Looking through my pom.xml, I can see many dependencies that may not be 
relevant to my build, since I run the war file in a standalone Tomcat 
instance and do not use the embedded Tomcat facility. Which of these can I 
safely remove? I think that will also reduce the size of my war file (it's 
currently over 100 MB).

    <dependencies>

        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-core</artifactId>
            <version>${tomcat.version}</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-el</artifactId>
            <version>${tomcat.version}</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.tomcat</groupId>
            <artifactId>tomcat-catalina</artifactId>
            <version>${tomcat.version}</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>javax.inject</groupId>
            <artifactId>javax.inject</artifactId>
            <version>1</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-webapp${app.server}</artifactId>
            <version>${cas.version}</version>
            <type>war</type>
            <scope>runtime</scope>
        </dependency>
        
        <dependency>
             <groupId>org.apereo.cas</groupId>
             <artifactId>cas-server-support-ldap</artifactId>
             <version>${cas.version}</version>
        </dependency>
        
        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-support-jdbc</artifactId>
            <version>${cas.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-support-pac4j-webflow</artifactId>
            <version>${cas.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-support-saml</artifactId>
            <version>${cas.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-support-pm</artifactId>
            <version>${cas.version}</version>
        </dependency>
        
        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-support-pm-ldap</artifactId>
            <version>${cas.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-support-cookie</artifactId>
            <version>${cas.version}</version>
        </dependency>
        
        <!-- Authentication throttling -->
        <dependency>
            <groupId>org.apereo.cas</groupId>
            <artifactId>cas-server-support-throttle</artifactId>
            <version>${cas.version}</version>
        </dependency>
        
    </dependencies>

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