以下、パッチです。

Index: s2-dao/src/main/java/org/seasar/dao/handler/AbstractBasicProcedureHandler.java
===================================================================
— s2-dao/src/main/java/org/seasar/dao/handler/AbstractBasicProcedureHandler.java (revision 288)
+++ s2-dao/src/main/java/org/seasar/dao/handler/AbstractBasicProcedureHandler.java (working copy)
@@ -113,7 +113,7 @@
if(namesLength == 1)

{ rs = dmd.getProcedures(null,null,names[0]); }

else if(namesLength == 2)

{ - rs = dmd.getProcedures(names[0],null,names[1]); + rs = dmd.getProcedures(null,names[0],names[1]); }

else if(namesLength == 3)

{ rs = dmd.getProcedures(names[0],names[1],names[2]); }