A spring framework of the system platform, the jar file, call the MySQL database, platform to run after a period of time, will cause the increase log (jar file directory, at the same level of the generated a Logs folder, there will be named after the date of the file), log tip:

Couldn 't rollback JDBC connection. The Communications link failure during the rollback (). The Transaction resolution unknown.

May be the problem of database connection pool, the great god ever encountered similar problems, or have any good solution not

Is basically a platform to start up, idle for a period of time appear the problem