with-connect and other functions accepting a db-spec do not support standard jdbc uris, like this one:

jdbc:mysql://localhost:3306/<database>

In my environment passing that uri to yields an exception:

Exception in thread "main" java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at clojure.lang.RT.loadClassForName(RT.java:2050)
at clojure.java.jdbc$get_connection.invoke(jdbc.clj:175)
at clojure.java.jdbc$get_connection.invoke(jdbc.clj:166)
at clojure.java.jdbc$get_connection.invoke(jdbc.clj:168)
at clojure.java.jdbc$with_connection_STAR_.invoke(jdbc.clj:299)
at bungle_o.migration$create_exceptions.invoke(migration.clj:17)
at bungle_o.migration$_main.invoke(migration.clj:21)
at clojure.lang.Var.invoke(Var.java:411)
at user$eval191.invoke(NO_SOURCE_FILE:1)
at clojure.lang.Compiler.eval(Compiler.java:6511)
at clojure.lang.Compiler.eval(Compiler.java:6501)
at clojure.lang.Compiler.eval(Compiler.java:6477)
at clojure.core$eval.invoke(core.clj:2797)
at clojure.main$eval_opt.invoke(main.clj:297)
at clojure.main$initialize.invoke(main.clj:316)
at clojure.main$null_opt.invoke(main.clj:349)
at clojure.main$main.doInvoke(main.clj:427)
at clojure.lang.RestFn.invoke(RestFn.java:421)
at clojure.lang.Var.invoke(Var.java:419)
at clojure.lang.AFn.applyToHelper(AFn.java:163)
at clojure.lang.Var.applyTo(Var.java:532)
at clojure.main.main(main.java:37)

This URI works fine, however:

mysql://localhost:3306/<database>

Is this intentional or a bug?

Here's the mysql documentation for reference: http://dev.mysql.com/doc/refman/5.0/en/connector-j-reference-configuration-properties.html