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Issue with server upgrade procedure
Unicorn
Hi, I wanted to upgrade from 9.2 to 9.3, and was looking forward to use the upgrade procedure instead of the full blown from scratch again approach.
Unfortunately it seems to fail and I get the message that the JDBC driver module is not available at the folder designated for the new install directory. Since this is a newly generated folder by default, it appears to be an overlooked item?
I understand the mySQL JDBC driver is a special topic, but does this mean by default the upgrade procedure cannot be used when using a mySQL database in the back?
Unfortunately it seems to fail and I get the message that the JDBC driver module is not available at the folder designated for the new install directory. Since this is a newly generated folder by default, it appears to be an overlooked item?
I understand the mySQL JDBC driver is a special topic, but does this mean by default the upgrade procedure cannot be used when using a mySQL database in the back?
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Best Answer
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mmichel
Employee-RapidMiner, Member Posts: 129 
RM Engineering
Hi kayman,
sadly we are not allowed to bundle the MySQL JDBC driver. As consequence the upgrade procedure for MySQL installations will try to fetch the MySQL driver from the old installation directory. This directory is defined within the /home/configuration/version.properties file (rm.server.install.dir). So, if you've moved the old installation directory just update the property value and the issue should be gone.
Cheers,
Marcel5
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