это исходный код activeweb2.0
protected void run(Route route) throws Exception {
Configuration.injectFilters(); //no worries, will execute once, as filters have a life span of the app
try {
try { //nested try , a bit ugly, but we need to ensure filter.after() methods are executed.
filterBefore(route);
executeController(route);
} finally {
filterAfter(route);
}
}
catch(ActionNotFoundException e){
throw e;
}
catch (RuntimeException e) {
RequestContext.setControllerResponse(null);//must blow away, as this response is not valid anymore.
if (exceptionHandled(e, route)) {
LOGGER.debug("A filter has called render(..) method, proceeding to render it...");
renderResponse(route);//a filter has created an instance of a controller response, need to render it.
}else{
throw e;//if exception was not handled by filter, re-throw
}
}
}
если в ExecuController произойдет исключение DBException, соединение с базой данных будет закрыто. Тогда rollbackTransaction не будет выполнено. Поэтому в базе данных будет некоторый результат ошибки