WebMar 28, 2024 · HikariConfig is the configuration class used to initialize a data source. It comes with four well-known, must-use parameters: username, password, jdbcUrl, and dataSourceClassName. Out of jdbcUrl and dataSourceClassName, we generally use one at a time. However, when using this property with older drivers, we may need to set both … The "try with resources" will close the Connection and Statement automatically. And where SQL.getConnection () does something like: public Connection getConnection () throws SQLException { return Hikari.getConnection (); } Share Improve this answer Follow answered Mar 16, 2016 at 12:17 brettw 10.5k 2 40 59

Connection is closed - Google Groups

WebMar 20, 2024 · HikariPool-1 - Timeout failure stats (total=10, active=10, idle=0, waiting=0) 1.4 Mostly is connection leak, normally this is caused by the connection is not closed after borrowing from the pool. For example, below code, getConnection () is not close, and this will cause connection leak. WebFeb 16, 2024 · 1 Answer. Sorted by: 14. You don't need to call DataSource's close () for every connection: Shutdown the DataSource and its associated pool. It's defined only for … biogas waste to energy

Database Connection Pooling in Java with HikariCP

WebJan 24, 2024 · I then get the following stack trace: ``` java.sql.SQLException: Connection is closed at … WebFeb 8, 2024 · HikariCP is a very fast lightweight Java connection pool. The API and overall codebase is relatively small (A good thing) and highly optimized. It also does not cut corners for performance like many other Java connection pool implementations. The Wiki is highly informative and dives really deep. biogas wastewater treatment