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This guide describes how to upgrade PowerFolder Server on Linux based operating systems.

1. Before you start

Some points to note:

  1. Please check the minimum requirements, which are necessary to install and run PowerFolder Server. Further details can be read on the Server System Requirements page.
  2. Read the Server Release Notes to check if there are any special requirements in the release which should be upgraded to.


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Note
titleUsing different update strategies

The steps described below will update the program files by overwriting the previous installation. Some administrators however like to move the existing installation to a backup directory, extract the tarball to the previous location and run that instead. You can also go with that procedure, however please take care of the the following things:

  • External database users: Make sure you still have the /libs sub-directory with the database drive driver in it residing in the directory with the PowerFolder-Server.sh and PowerFolder-Server.jar files, otherwise the server will fail to start because of the missing database driver. If the database driver is missing a typical log messages looks like this: "APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!" und "java.sql.SQLException: No suitable driver"
  • Startup script changes: Please adapt all changes you did to the previous PowerFolder-Server.sh startup script (most likely SERVER_INSTALL, SERVER_HOME or JAVA_MEM) also to the one extracted from the new package.

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