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Tengo una web funcionando con la version 5.2.1 y quiero hacer un upgrade a la version 5.2.2
Sigo los pasos de abajo que he encontrado en la wiki, pero cuando reinicio el servidor y la base de datos se actualiza
pierdo todo lo que tenia antes, parece que me ha machacado todo, tanto los usuarios, como el contenido que tenia en guest y todo lo demas.
¿Que pasos tengo que seguir para hacer un upgrade pero no perder lo que tenia?



Basic Installation Outline

This instructions should be enough if you haven't made any customizations to the out-of-the-box release. Otherwise you will also have to follow the steps in the next sections.

1. Make sure you've got your last complete backup at hand - not just the database backup: e.g. you most likely would like to have your portal-ext.properties available to restore the applicable settings later (The settings most likely will have to be changed, but still: you want to know your customizations to redo them later)
2. Undeploy the old version of Liferay, and then shut down your application server. For Tomcat, you'd delete the ROOT folder from <Tomcat Home>/webapps.
3. Copy the new versions of the dependency .jars to a location on your server's classpath, overwriting the ones you already have for the old version of Liferay. For Tomcat, these are stored in <Tomcat Home>/common/lib/ext.
4. Deploy the new Liferay .war file. This is different by application server. For Tomcat, you'd create a ROOT folder in <Tomcat Home>/webapps and unzip the .war file there.
5. Delete your tomcat class cache ie <Tomcat Home>/work/Catalina/localhost/* as sometimes tomcat will load class' from the previous version of Liferay instead of the new version
6. Start (or restart) your application server. Liferay should come up.