How do I use the JAVA OPTS environment variable

Question

How do I use the JAVA OPTS variable to configure a web server  a linux server    How can I set -Djava awt headless true using JAVA OPTS

User · Answer

JAVA OPTS is not restricted to Tomcat   s Java process  but passed to all JVM processes running on the same machine     Use CATALINA OPTS if you specifically want to pass JVM arguments to Tomcat s servlet engine

User · Answer

Just figured it out in Oracle Java the environmental variable is called  JAVA TOOL OPTIONS rather than JAVA OPTS

User · Answer

JAVA OPTS is the standard environment variable that some servers and other java apps append to the call that executes the java command   For example in tomcat if you define JAVA OPTS  -Xmx1024m   the startup script will execute java org apache tomcat Servert -Xmx1024m  If you are running in Linux OSX  you can set the JAVA OPTS  right before you call the startup script by doing  JAVA OPTS  -Djava awt headless true    This will only last as long as the console is open  To make it more permanent you can add it to your    profile or    bashrc file

User · Answer

Actually  you can  even though accepted answer saying that you can t   There is a  JAVA OPTIONS environment variable  more about it here

User · Answer

JAVA OPTS is environment variable used by tomcat in its startup shutdown script to configure params   You can set it in linux by  export JAVA OPTS  -Djava awt headless true

[java] How do I use the JAVA_OPTS environment variable?

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