Tomcat 8 enable debug logging to list unneeded jars

Question

When starting Tomcat 8 on Arch Linux ARM I get the following warning:

INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debu

Answer 1

An easier way, in step 1 of the above post, instead of enabling debugging for everything, limit to org.apache.jasper:

Use this:

org.apache.jasper.level = FINEST

Instead of this:

org.apache.catalina.level=FINEST