What i wanted to do
I installed fresh linux Ubuntu 16.04 to setup a test developing environment.
I wanted to install
So i applied this tutorial and know that i dont have any previously java or tomcat installed before .
Tutorial for java 8 and tomcat 8 Tutorial 2 same as the before with some more little hints
What is the problem
When i reached the step of starting tomcat , it failed. Failed to start apache tomcat web server tomcat.service: Control process exited, code=exited status=203 .
How i tried to reproduce:
I followed the tutorial on a fresh virtual box on ubuntu 16.04 .
And after i tried lot of the solution like the below:
Solution:
From a very small comments from here ( Thanks for the hint )) ) After i got the fail i ran
You should run '
journalctl -xn
' for more details about why Tomcat failed to start. Thanks.
It gave me the main reason here is screen shot and notice in RED .
Then change in tomcat.service check this image again this time look at 1 in bold yellow it should point to JDK .
Result:
So, apparently i had the path wrong , and it WORKED .
Summary:
When applying some tutorial keep an eye when you extract tomcat or etc.. because it may differ.
alternatively you can just start tomcat by going to /path/to/tomcat/bin/ and running ./startup.sh
it will spit out all the variables it is using and you can configure your tomcat.service file accordingly.
MY OS: POP!_OS (linux)
For me it was because i pointed JAVA_HOME to the wrong location. i pointed it to the binary folder but it should just be the home directory where you installed java. heres the turtorial that i followed
https://www.vultr.com/docs/how-to-install-apache-tomcat-8-on-centos-7
it even helps you set up a tomcat user, although i changed just 3 variables. my entire systemd file is here
[Unit]
Description=Apache Tomcat Web Application Container
After=syslog.target network.target
[Service]
Type=forking
Environment=JAVA_HOME=/usr/java/jre1.8.0_261 # i accidently had it /jre.../bin instead of just /jre
Environment=CATALINA_PID=/opt/tomcat/temp/tomcat.pid
Environment=CATALINA_HOME=/opt/tomcat
Environment=CATALINA_BASE=/opt/tomcat
# the linked article had the entire thing in quotes?
# but only the value needs to be in quotes
Environment=CATALINA_OPTS='-Xms512M -Xmx1024M -server -XX:+UseParallelGC'
Environment=JAVA_OPTS='-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom'
ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/bin/kill -15 $MAINPID
User=tomcat
Group=tomcat
[Install]
WantedBy=multi-user.target
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