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Common issues and how to fix them.

Installation and Upgrade Issues

These issues can occur when first installing or upgrading from an earlier version of Community Bubbles.

 A 'max_allowed_packet' error occurs when installing or upgrading

If you're using MySQL database, you may encounter the following issue:

java.lang.RuntimeException: There was a problem evicting or flushing a PluginData object
at com.atlassian.confluence.plugin.persistence.hibernate.HibernatePluginDataDao.saveOrUpdate(
caused by: net.sf.hibernate.exception.GenericJDBCException: could not insert: com.atlassian.confluence.plugin.persistence.PluginData#3375106
at net.sf.hibernate.exception.ErrorCodeConverter.handledNonSpecificException(
caused by: com.mysql.jdbc.PacketTooBigException: Packet for query is too large (3063507 > 1048576). You can change this value on the server by setting the max_allowed_packet' variable.
at com.mysql.jdbc.MysqlIO.send(

To resolve this issue, simply increase the max_allowed_packet setting in your MySQL config to 4M using the command line shell as follows:

shell> mysql --max_allowed_packet=4M

See also: PacketTooBigException.

 TypeError: exception is undefined (MySQL specific)
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