try {
result = mbeanServer.invoke(objName,operationName,
params, signature);
} catch (InstanceNotFoundException notFoundEx) {
throw new ServiceEngineException(notFoundEx);
} catch ( ReflectionException rEx){
throw new ServiceEngineException(rEx);
} catch ( MBeanException mbeanEx ) {
throw ServiceEngineException.filterExceptions(mbeanEx);
} catch (RuntimeMBeanException rtEx){
throw ServiceEngineException.filterExceptions(rtEx);
} catch (RuntimeOperationsException rtOpEx){