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For a Client/Server app (both B4J) of ours that is a SAAS product using a constant websocket connection , it's a little cleaner because when the MainApp connects to the ServerApp backend, it transmits its' version. The ServerApp then does the checking of each clients' version and requirements again

Hi! I have a doubt about WebApp User session, lets say that I have a web app running in two servers and I have a load balancer that distributes the traffic depending on the load, in this scheme could happen that a user makes a request and the load balancer send the user to server 1, but when this us

if it is a serverapp then you have to use a ConnectionPool, https://www.b4x.-building-web-servers-with-b4j.37172/#content look for Datebase Connections Pooling

The code in code modules will run in the main thread if we call it with CallSubDelayed. In this example we call WebUtils methods directly as these methods do not rely on any shared data. Server events One of the great features of WebSockets is the simple support for server events. Unlike ajax base
link: I put your code (WebApp Chat example) in WebUtils module and called WebUtils.SomeSub from Chat. In b4a, I (vaguely) remember there are different way

http://www.b4x.com/basic4android/images/SS-2014-04-10_17.09.21.png B4J v2.00 adds support for web applications based on WebSocket technology. With WebSocket The browser and the server maintain an open communication channel. This channel allows us to build web apps where all (or most) of the logic i

StartMessageLoop is not relevant to this question. The question is whether this html file needs a web server or not. If it is a simple html file then you can show it with fx.ShowExternalDocument. If it does need a web server then you will need to create a separate non-ui jServer based project and
link: Hello, i just try to run the WebAppHelloWorld from Erel. This works fine. Run and then open the browser with "localhost/#portnumber"... So far its ok

Correct, but I do not have any problem with that as there is nothing in the Javascript part of my WebApps that I consider 'unique' or 'special'. All that stuff is safely on the server side. ;)
link: Or you write your code purely on the server side like PHP (=jServer/ABM), or you do it on the browser side (=JavaScript/BANano). Most WebApps are kin
link: Instead of 'Content-Security-Policy', we check anything incoming into the server if it is valid. For example all our url parameters need to be encode
link: 1) ...You (All - we) must always using SSL certs and methods that will make user login/logout every some minutes (i know that is very bad for webapps

Yes. You can install a Webserver, ftp, a mqtt-broker, Database, create your own serverapps using B4J. Run jRDC on it....

Sure, we use it in-house all the time. The last released version is from the summer of this year and since then not a lot has changed on the library. It is stable and used in production. But also check out BANano (https://www.b4x.-website-app-wpa-library-with-abstract-designer-support.99740/#cont
link: I was so long time in this forum, but only saw this Great Stuff Today. I Check The ABMaterial web. The Web was created @2015-2017 By Alain Bailleul.

You can't use jserver with javafx. The best way to interact with the server is to create an webapp with html thru http or web sockets.

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