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
caused by: net.sf.hibernate.exception.GenericJDBCException: could not insert: com.atlassian.confluence.plugin.persistence.PluginData#3375106
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.
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)