Passing system properties to tomcat managed webapp when started by another process

The startUp script of webapp is going to be executed by a standalone java management process. I understand that -D system properties can开发者_StackOverflow中文版 be set to CATALINA_OPTS in catalina.sh. So is the only way to pass system properties is for the java management process to go write into catalina.sh? I

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I think this should be possible, but dont have the exact answer.

If it can be passed in an ant task like shown on this link, I assume it should be able to call the

org.apache.catalina.startup.Bootstrap load() passing in JVM args

<target name="tomcat-start">
    <java jar="${tomcat.home}/bin/bootstrap.jar" fork="true">
        <jvmarg value="-Dcatalina.home=${tomcat.home}"/>
    </java>
</target>

<target name="tomcat-stop">
    <java jar="${tomcat.home}/bin/bootstrap.jar" fork="true">
        <jvmarg value="-Dcatalina.home=${tomcat.home}"/>
        <arg line="stop"/>
    </java>
</target>