We've had a need from time-to-time to upgrade the embedded Tomcat
separately and a kind soul helped us so I'll share what he showed us. Just
setting tomcat.version in gradle.properties will not work. You can modify
your build.gradle as follows:
configurations.all {
resolutionStrategy {
cacheChangingModulesFor 0, "seconds"
// etc
// Override from base CAS to use tomcatVersion
eachDependency { DependencyResolveDetails dependency ->
def requested = dependency.requested
if (requested.group.startsWith("org.apache.tomcat")) {
// println "Using tomcat version ${tomcatVersion} for ${requested.group}:${
requested.name}"
dependency.useVersion("${tomcatVersion}")
}
}
}
exclude(group: "cglib", module: "cglib")
// etc
}
Then within the dependencies block where you would add various bits of CAS
functionality:
/**
* CAS dependencies and modules may be listed here.
*
* There is no need to specify the version number for each dependency
* since versions are all resolved and controlled by the dependency
management
* plugin via the CAS bom.
**/
implementation "org.apereo.cas:cas-server-support-whatever"
// etc
// Override from base CAS to use specified tomcatVersion
implementation "org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}"
implementation "org.apache.tomcat.embed:tomcat-embed-el:${tomcatVersion}"
implementation "org.apache.tomcat:tomcat-catalina-ha:${tomcatVersion}"
And finally within the buildscript block at the end something like this to
remove the version of tomcat that the upstream based CAS project is using:
overlays {
/*
https://docs.freefair.io/gradle-plugins/current/reference/#_io_freefair_war_overlay
Note: The "excludes" property is only for files in the war dependency.
If a jar is excluded from the war, it could be brought back into the final
war as a dependency
of non-war dependencies. Those should be excluded via normal gradle
dependency exclusions.
*/
cas {
from "org.apereo.cas:cas-server-webapp${project.appServer}:${
project.'cas.version'}@war"
provided = false
// Exclude base CAS tomcat jars
excludes = ["WEB-INF/lib/servlet-api-2*.jar", "WEB-INF/lib/tomcat-*.jar"]
}
}
On Thu, Oct 19, 2023 at 3:39 AM Mohamed Amdouni <me.amdo...@gmail.com>
wrote:
> Hello,
>
> When using cas version 6.6.12 for example the embedded tomcat server is
> 9.0.80.
> What is the best way to upgrade only the tomcat server to 9.0.81.
>
> For spring boot application with maven it required only to set the
> tomcat.version pom properties.
>
> Best regards,
>
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