[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5065) Exception thrown by Configuration.getRootClassMapping(String) not helpful

[Stefan Fussenegger (JIRA)]

Exception thrown by Configuration.getRootClassMapping(String) not helpful
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                 Key: HHH-5065
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5065
             Project: Hibernate Core
          Issue Type: Improvement
    Affects Versions: 3.3.2
         Environment: hibernate-core-3.3.2.GA.jar
            Reporter: Stefan Fussenegger
            Priority: Trivial


current code:

{code:java}
	RootClass getRootClassMapping(String clazz) throws MappingException {
		try {
			return (RootClass) getClassMapping( clazz );
		}
		catch (ClassCastException cce) {
			throw new MappingException( "You may only specify a cache for root <class> mappings" );
		}
	}
{code}

this causes exception message to be "You may only specify a cache for root <class> mappings". As a result, the user will have to check all cache configurations or set a breakpoint to get the value of {{clazz}} that caused the error. To simplify this process, add {{clazz}} to the message, e.g. {{"You may only specify a cache for root <class> mappings, was " + clazz}}

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