At this point, we will start moving files. Make sure your servlet container (for example, Tomcat) is stopped. If it is running during the upgrade, you may corrupt the OpenCms installation.
update folder into the root directory of the existing OpenCms installation. With Tomcat, this is in
$CATALINA_OPTS/webapps/opencms. (Chapter 2 tells you where these files are stored on the file system.)
Copy the contents of the
WEB-INF folder from the upgrade package to the
WEB‑INF folder in your existing OpenCms folder. This will overwrite a number of files, which is exactly what you want—new versions of OpenCms libraries will replace the older versions.
There is one last thing to do before restarting the servlet container—we need to turn ...