# Started as a Linux Service (systemd or service)

1. Locate the file <MDM-Folder>/apache-tomcat/bin/ setenv.sh
2. Locate the line starting with “CATALINA\_OPTS=…”
3. At the end of this line, add the string:
   * -Dlog4j2.formatMsgNoLookups=true
   * The screenshot below is given as an example:

![](https://help.qlik.com/talend/en-US/cve/Content/Resources/Log4j2_Disclosure/image12.png)

1. Restart MDM service