Debian 13: jakarta tomcat & openjdk 21 installation (part 1)

Assume openjdk 21 installed, it is lts verssion.

Download latest jakarta tomcat from https://tomcat.apache.org/download-11.cgi, i.e. version 11.0.26 (currently).

extract it into your home (user) directory

change permission to start jakarta tomcat

$ cd apache-tomcat-11.0.26/bin/
$ chmod 744 *.sh

Directory structure is:

• bin
• conf
• lob
• logss
• temps
• webapps
• work 

You must add user to manage your jakarta tomcat. User rules are:

1. manager-gui - allows access to the HTML GUI and the status pages
2. manager-script - allows access to the text interface and the status pages
3. manager-jmx - allows access to the JMX proxy and the status pages
4. manager-status - allows access to the status pages only 

Edit <tomcat_home>/conf/tomcat-users.xml

<tomcat-users xmlns="http://tomcat.apache.org/xml"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd"
              version="1.0">
...
  <role rolename="manager-gui"/>
  <user username="admin" password="admin" roles="manager-gui"/>
</tomcat-users> 

To run jakarta tomcat

$ ./startup.sh&
[1] 6430
~/apache-tomcat-11.0.26/bin$ Using CATALINA_BASE:   <home>/apache-tomcat-11.0.26
Using CATALINA_HOME:   <home>/apache-tomcat-11.0.26
Using CATALINA_TMPDIR: <home>/apache-tomcat-11.0.26/temp
Using JRE_HOME:        /usr
Using CLASSPATH:       <home>/apache-tomcat-11.0.26/bin/bootstrap.jar:/home/dedetok/apache-tomcat-11.0.26/bin/tomcat-juli.jar
Using CATALINA_OPTS:   
Tomcat started.

[1]+  Done                    ./startup.sh

Open your browser and open url http://localhost:8080/. 

To shutdown, run $ ./shutdown.sh.

Your application will on <home>/webapps and root for http://localhost:8080 is on <home>/webapps/ROOT/

For production, go to "List Application", Undeploy any unused applications.