You can use io.undertow.server.HttpServerExchange# addResponseCommitListener and implement the ResponseCommitListener interface. Stuart On Sun, Nov 20, 2016 at 8:24 AM, Bill O'Neil <bill(a)dartalley.com&gt; wrote: > Hello, > > I'm trying to make a handler that manages a request scoped sql transaction. > Ideally it would be a middleware handler that opens the connection and > starts the transaction and after the chain of handlers is finished it will > commit the transaction. The issue I am facing is the browser can receive the > data before the transaction is committed since the data is sent further down > the chain. > > Is there some type of hook where I can commit / close the transaction before > any data is sent? This should work fine in a blocking handler but an > asynchronous one may have issues? > > My other thought is to make a Handler that expects some object to be > returned. In this handler commit / close the connection as soon as the > object is returned then send the data to the browser after. Would this be my > best option? > > Thanks, > Bill > > _______________________________________________ > undertow-dev mailing list > undertow-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/undertow-dev