710 [main] WARN org.sql2o.logging.SysOutLogger - Could not roll back transaction. message: {}
com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Can't call rollback when autocommit=true
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:888)
at com.mysql.jdbc.Connection.rollback(Connection.java:5257)
at org.sql2o.Connection.rollback(Connection.java:115)
at org.sql2o.Connection.onException(Connection.java:56)
at org.sql2o.Query.executeUpdate(Query.java:526)
at socialconnection.SConnection.registerUserToGroup(SConnection.java:67)
at socialconnection.User.registerToGroup(User.java:75)
at network.Network.main(Network.java:29)
BUILD SUCCESSFUL (total time: 1 second)