Why there are two options for database connection pooling with tomcat (tomcat-dbcp and tomcat-jdbc)?...

Tomcat 9 w/ Apache DBCP + Spring 5 + Oracle 12c + SqlArrayValue...

Unable to established database connection in Spring MVC using annotation and java based configuratio...

Tomcat dbcp removeAbandoned issue...

Is DriverManager.deregisterDriver(driver) closes all connections?...

Tomcat DBCP Running out of connections...

Tomcat 8 - Connection pool configuration...