How to close a jdbc connection created through Spring?
问题 I've built an application (app1) that looks at and records certain fields in a database. This application shares the database with another application (app2) that requires a solitary connection to it when starting up but is fine to allow other connections to the DB once it (app2) is started. In my application (app1), I have made a dao object using Spring to connect to the DB and evidently, the connection is never closed which causes app2 to crash upon start up. From what I've read, Spring is