Jetty Warnings for multiple class locations on Shibboleth v4.0.0

[Peter Schober]

* Marco Malavolti <marco.malavolti at garr.it> [2020-03-31 19:10]:
> before the "bin/install.sh" I have:
> 
> cd /usr/local/src/shibboleth-identity-provider-4.0.0/webapp/WEB-INF/lib
> 
> wget
> https://build.shibboleth.net/nexus/service/local/repositories/thirdparty/content/javax/servlet/jstl/1.2/jstl-1.2.jar
> 
> and then "bin/install.sh"
> 
> What are the correct steps?

If it hurts... don't do it.

> I have also put the "jstl-1.2.jar" under "edit-webapp/WEB-INF/lib/" and
> rebuild the WAR file, but the Warnings don't disappear...

That would be the way IF you needed to add jstl to the war file.
The warning comes from doing just that.
So remove it from both places (edit-webapp and webapp) and rebuild.

-peter