java - Hibernate Exception - could not locate named parameter [:laboratoryId] -


i have following query in hibernate.i got hibernate exception , don't understand why hibernate throws exception. me?

session session = this.sessionfactory.opensession();  session.createquery("delete laboratory l l.id=:laboratoryid")         .setparameter("laboratoryid", laboratoryid).executeupdate(); session.close();

try add spaces between = sign , bind name :laboratoryid , remove alias:

session session = this.sessionfactory.opensession();  session.createquery("delete laboratory id = :laboratoryid")     .setparameter("laboratoryid", laboratoryid)     .executeupdate(); session.close();

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