A ResourcePool could not acquire a resource from its primary factory or source

Question

I\'m trying to connect to a database in Java, using jdbcTemplate and I\'m gettin the error below. I have Googled for a long time and all solutions I found didn\'t solve my p

Answer 1

I got this problem on c3p0 0.9.5-pre6 with mchange-commons-java 0.2.6.3. After downgrading to c3p0 0.9.5-pre5 and mchange-commons-java 0.2.6.2, the problem disappears.