turn off verbose korma logging

compojure/hello/project.clj

@@ -4,7 +4,8 @@
   :dependencies [[org.clojure/clojure "1.5.1"]
                  [compojure "1.1.5"]
                  [ring/ring-json "0.2.0"]
-                 [korma "0.3.0-RC2"]
+                 [korma "0.3.0-RC4"]
+                 [log4j "1.2.15" :exclusions [javax.mail/mail javax.jms/jms com.sun.jdmk/jmxtools com.sun.jmx/jmxri]]
                  [mysql/mysql-connector-java "5.1.6"]
                  ]
   :plugins [[lein-ring "0.8.2"]]

compojure/hello/src/log4j.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
+  <logger name="com.mchange">
+    <level value="WARN"/>
+  </logger>
+</log4j:configuration>