OpenSessionInView Interceptor Best Practice?

Hi there,
I just wrote my own OpenSessionInView Interceptor, that starts JTA Usertransactions (before) and commits them (after). I was just wondering if it is the right way to write it, especially in regards to exception handling or if there's a better way?


public String intercept(ActionInvocation invocation) throws Exception {
			String result = null;

	try {	
			jotm.begin();
			
			result = invocation.invoke();
			
			jotm.commit();
		}
		catch (RuntimeException ex) {
			try {
				
				jotm.rollback();
			}
			catch (Exception rbEx) {
				System.err.println("Could not rollback transaction after exception! - " + rbEx);
			}
			throw ex;
		}

		return result;
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