Problem

* after installing B2Bi 2.1.0 with Synchrony Database 4.6.0, if the TE diconnects continously with the database (extract of *_cn.log) :

2014-10-02 15:40:52,957 - FATAL [qtp1767730367-227] (ConnectionManagerImpl.getConnection:97) - Error while getting a database connection
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: "Too many connections"

Resolution

* edit the file : "...Axway_Database\conf\my.ini"

* add the line max_connections = 800