I believe all distros have over engineered the scripts to start
Tomcat. Forget all the scripts from your distro, learn the
signification of the environment variables from the catalina.sh script
shipped with the default Tomcat version. Define your variables in a
file, this file is not a script, so you cannot reuse a previously
defined variable, feed your systemd service definition file with this
file in the service section as EnvironmentFile=/path/name/to/your/file
ExecStart=/path/to/catalina.sh start
ExecStop=/path/to/catalina.sh stop
and you are done. You control everything from the environment file,
you can easily manage the environment variables without editing the
systemd's service file.
It is much simpler than the OpenRC set of scripts at my humble
opinion. I am running Gentoo at home and RHEL at work and both distros
wrapped Tomcat into too many layers of scripts in order to make it
working with OpenRC while none of these are required to run and manage
Tomcat with systemd.
In particular with Gentoo, I no longer use the Tomcat distro packaged
with Gentoo because they separated the servlet api from Tomcat and you
need to wrap things into layers of scripts to define the classpath
properly taking this into account, the vanilla classpath.sh file
distributed with Tomcat doesn't work and so one. Really, they did a
very bad job at integrating Tomcat.
Here is my service file:
[Unit]
Description=Tomcat 8 (Dev)
After=syslog.target
After=network.target
[Service]
EnvironmentFile=/tomcat/tomcat-8-dev/bin/tomcat-8-dev.env
Type=forking
User=tomcat
Group=tomcat
ExecStart=/opt/apache-tomcat/apache-tomcat-8.0.32_ds/bin/catalina.sh start
ExecStop=/opt/apache-tomcat/apache-tomcat-8.0.32_ds/bin/catalina.sh stop
[Install]
WantedBy=multi-user.target
And here is the content of my EnvironmentFile:
CATALINA_HOME="/opt/apache-tomcat/apache-tomcat-8.0.32_ds"
CATALINA_BASE="/tomcat/tomcat-8-dev"
CATALINA_OUT="/var/log/tomcat-8-dev/catalina.out"
JAVA_HOME="/opt/oracle-jdk-bin-1.8.0.74"
CATALINA_PID="/var/run/tomcat-8-dev.pid"
-----------------
Daniel Savard
2016-03-18 13:31 GMT-04:00 Lyallex <lyal...@gmail.com>:
> I thought you might be interested in the resolution to this.
>
> It turns out that we needed to reproduce the environment in tomcat.service
>
> For some reason
>
> ExecStart=/etc/rc.d/init.d/tomcat7 doesn't work
> (file shown at the end of this message)
>
> Instead, in /etc/systemd/system/tomcat.service
> we have had to reproduce the environment in longhand to get it to work.
> It appears that systemd doesn't expand variables so I really need to
> investigate the systemd Environment thing a bit more.
> Anyway, when I shutdown -r now the server comes back up and tomcat is
> running at the unprivileged tomcat user on port 80 so that's a result
>
> ============== /etc/systemd/system/tomcat.service ============
> [Unit]
> Description=Apache Tomcat Web Application Container
> After=network.target
>
> [Service]
> Type=forking
> User=root
>
> ExecStart=/opt/apache-tomcat-7.0.42/bin/jsvc \
> -user tomcat \
> -home /opt/jdk1.7.0_45 \
> -Dcatalina.home=/opt/apache-tomcat-7.0.42 \
> -Dcatalina.base=/opt/apache-tomcat-7.0.42 \
> -Djava.io.tmpdir=/var/tmp \
> -Djava.awt.headless=true \
> -Xms512m \
> -Xmx1024m \
> -outfile /opt/apache-tomcat-7.0.42/logs/catalina.out \
> -errfile /opt/apache-tomcat-7.0.42/logs/catalina.err \
> -pidfile /var/run/tc7/jsvc.pid \
> -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager \
> -Djava.util.logging.config.file=/opt/apache-tomcat-7.0.42/conf/logging.properties
> \
> -cp
> /opt/apache-tomcat-7.0.42/bin/bootstrap.jar:/opt/apache-tomcat-7.0.42/bin/commons-daemon.jar:/opt/jdk1.7.0_45/lib/tools.jar:/opt/apache-tomcat-7.0.42/bin/tomcat-juli.jar
> \
> org.apache.catalina.startup.Bootstrap
>
> ExecStop=/bin/kill -9 /var/run/tc7/jsvc.pid
> ExecStopPost=/bin/rm -f /var/tc7lock/subsys/tomcat /var/run/tc7/jsvc.pid
>
> [Install]
> WantedBy=multi-user.target
>
>
> Oh happy day
> Thanks again to all responders
>
> Lyallex
>
> ========= /etc/rc.d/init.d/tomcat7 =========
>
> JAVA_HOME=/opt/jdk1.7.0_45
> CATALINA_HOME=/opt/apache-tomcat-7.0.42
> export JAVA_HOME CATALINA_HOME
> CLASSPATH=$CATALINA_HOME/bin/bootstrap.jar:$CATALINA_HOME/bin/commons-daemon.jar:$JAVA_HOME/lib/tools.jar:$CATALINA_HOME/bin/tomcat-juli.jar
> TOMCAT_USER=tomcat
> TMPDIR=/var/tmp
> PIDFILE=/var/run/tc7/jsvc.pid
>
>
> RC=0
>
> case "$1" in
>
> start)
>
> $CATALINA_HOME/bin/jsvc -user $TOMCAT_USER -home $JAVA_HOME
> -Dcatalina.home=/opt/apache-tomcat-7.0.42
> -Dcatalina.base=$CATALINA_HOME -Djava.io.tmpdir=$TMPDIR
> -Djava.awt.headless=true \
> -Xms512m \
> -Xmx1024m \
> -outfile $CATALINA_HOME/logs/catalina.out \
> -errfile $CATALINA_HOME/logs/catalina.err \
> -pidfile '/var/run/tc7/jsvc.pid' \
> -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager \
> -Djava.util.logging.config.file=$CATALINA_HOME/conf/logging.properties \
> -cp $CLASSPATH \
> org.apache.catalina.startup.Bootstrap
>
> RC=$?
>
> [ $RC = 0 ] && touch /var/tc7lock/subsys/tomcat
> echo "starting tomcat7 on darkstar with:"
> echo "JAVA_HOME=$JAVA_HOME"
> echo "CATALINA_HOME=$CATALINA_HOME"
> echo "CLASSPATH=$CLASSPATH"
> echo "tomcat started"
> ;;
>
> stop)
>
> PID=`cat /var/run/tc7/jsvc.pid`
> kill $PID
>
> RC=$?
>
> [ $RC = 0 ] && rm -f /var/tc7lock/subsys/tomcat /var/run/tc7/jsvc.pid
> echo "stopping tomcat7 on darkstar with:"
> echo "JAVA_HOME=$JAVA_HOME"
> echo "CATALINA_HOME=$CATALINA_HOME"
> echo "CLASSPATH=$CLASSPATH"
>
> echo "tomcat stopped"
> ;;
>
> *)
> echo "Usage: $0 {start|stop}"
> exit 1
> esac
> exit $RC
>
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