For those running Tomcat 5.5 on a JDK 1.4, there will be compatibility issues. Testing it on Eclipse, the error would appear as such.

This release of Apache Tomcat was packaged to run on J2SE 5.0
or later. It can be run on earlier JVMs by downloading and
installing a compatibility package from the Apache Tomcat
binary download page.

This [...]

For software developers and also web hosts, we all know about the server.xml configuration which is needed to set up in Tomcat. A server.xml file contains all the requirements to set your project context path and host name. But what if you’re just running on basic server.xml configuration.

What’s the most basic?
By default, whenever someone installs [...]