I have a composite PK class that consists of {int, int, String, String}.
Both attributes of type String are mapped to CHAR(size) instead of
VARCHAR2(size) in an Oracle DB.
My Problem:
The EntityManager's
find(Class entityClass, Object primaryKey) method returns null instead of an
EntityBean.
It all works if I handcode my EJBQL and insert the two Strings with trailing
white spaces to match the size of the CHAR-Colums in the DB.
This is somewhat strange because a SQL select statement works fine without
supplying trailing white spaces in the where clause.
Any suggestions other than changing to VARCHAR2??
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