DB2 for z / OS的存储过程调用中不支持字符串文字

I'm getting the error below when calling a simple SP from the Rational Application Developer Data Perspective when connecting to a DB2 DB instance running on z/OS. Also when calling from SQuirreL. Straight SQL queries run no problem. The query also works fine when called from my JAVA code.I'm getting the error below when calling a simp