Rule Designer Installtion Issue

Hello everybody,

I am struggling with the installation of the Rule Designer (using the OC VM, version 3.12.2 from

After downloading the Designer-1.2.war file from (renamed to Designer12.war), I modified the following files:

1) /usr/share/tomcat/webapps/Designer12/WEB-INF/classes/
--> Added ,XXX.XXX.X.XX:8080 to the allowHosts line

2) /usr/share/tomcat/webapps/Designer12/WEB.INF/classes/META-INF/spring/applicationContext-security.xml
--> Uncommented the " Modified sysURL and designerURL

After restarting tomcat the rule designer could be started once via Tasks-->Build Study-->Rule Designer using the url:

After restarting tomcat again only the site attached to this comment became visible for both the url mentioned above and clicking on the Rule Designer icon.
I'm a little confused why it worked once, but never again afterwards. Can anyone see where things went wrong?

Thanks a lot :-)


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