Installer 10.15 | Complete Installation and Upgrade Information for Software AG Products | Upgrading Software AG Products On Premises | Upgrade the Asset Build Environment, Deployer, or Application Platform (Deprecated) | Upgrade Application Platform (Deprecated) | Complete the Upgrade | Update the Tomcat Configuration
 
Update the Tomcat Configuration
1. Go to old_Software AG_directory/IntegrationServer/web/conf directory and open all configuration files in that directory in a text editor.
2. Go to new_Software AG_directory/profiles/instance_name/configuration/tomcat/conf directory and open all configuration files in that directory in a text editor.
3. Go to https://tomcat.apache.org/migration-85.html.
4. Using the instructions on the web page, modify the new configuration files to have the same custom changes you made in the old configuration files.
5. Go to the new_Software AG_directory/profiles/instance_name/configuration/tomcat/conf directory, open the server.xml file, and replace the existing <Realm> element with the following:
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="com.softwareag.platform.catalina.auth.SINRealm"
name="AppPlatformRealm"
userClassNames="com.softwareag.security.jaas.principals.SagUserPrincipal"
roleClassNames="com.softwareag.security.jaas.principals.SagRolePrincipal"
defaultRealm="AppPlatformRealm"/>
</Realm>
6. Review your web applications to make sure they comply with Tomcat server 8.5 and servlet API 3.1.