c3po seems to be the choice
dbcp is coming back to life - has it?
others - bone?
Ask HN: Which Java connection pool?
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Re: Ask HN: Which Java connection pool?
#2DBCP seems to be a safe bet: http://wix.io/2013/06/12/how-many-threads-does-it-take-to-fi...
But I think the new connection pool in Tomcat might be interesting as well.