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[grouper-users] Grouper upgrade 2.2.1 => 2.2.2 - "conflicting jar" - mysql

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  • From: "Waldbieser, Carl" <>
  • To: Gouper Users List <>
  • Subject: [grouper-users] Grouper upgrade 2.2.1 => 2.2.2 - "conflicting jar" - mysql
  • Date: Mon, 30 Nov 2015 11:59:44 -0500 (EST)

I ran the Grouper 2.2.2 upgrader to upgrade the Grouper api from 2.2.1 to
2.2.2. Near the end of the upgrade, I got the message:

There is a conflicting jar: ArrayList size: 2: [0]:

You should probably delete one of these files (oldest one?) or consult
the Grouper team.
Press <enter> to continue...

I ended up deleting the older file ([1] above). Now, when I try to use gsh,
I get a stack trace that indicates an issue with the database driver:

Grouper error: Error finding database driver class from com.mysql.jdbc.Driver, perhaps you did not put
the database driver jar in the lib/custom dir or lib dir, or you have the
wrong driver listed: java.lang.RuntimeException: Problem loading class:

I am guessing this is some kind of library versioning issue?
I can still connect to the DB if I use command line mysql with the same

Carl Waldbieser
ITS Systems Programmer
Lafayette College

  • [grouper-users] Grouper upgrade 2.2.1 => 2.2.2 - "conflicting jar" - mysql, Waldbieser, Carl, 11/30/2015

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