Hello today at the login, I got the following exception
2015-07-13 08:46:06,409 INFO [http-nio-9012-exec-4] d.e.l.d.u.c.UserServiceSharedLoginController - Login-Request [XXX] received
2015-07-13 08:46:06,426 WARN [http-nio-9012-exec-4] o.h.engine.jdbc.spi.SqlExceptionHelper - SQL Error: 17002, SQLState: 08006
2015-07-13 08:46:06,427 ERROR [http-nio-9012-exec-4] o.h.engine.jdbc.spi.SqlExceptionHelper - IO Error: Connection reset
2015-07-13 08:46:06,434 ERROR [http-nio-9012-exec-4] o.s.t.interceptor.TransactionInterceptor - Application exception overridden by rollback exception
org.springframework.dao.DataAccessResourceFailureException: could not extract ResultSet; nested exception is org.hibernate.exception.JDBCConnectionException: could not extract ResultSet
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:234) ~[spring-orm-4.1.6.RELEASE.jar!/:4.1.6.RELEASE]
Can anybody help and tell me why this happened? Or what I should analyse?
Thanks