Saturday, January 16, 2016

JDev/ADF sample - Automatic ADF Logout on Browser Close with WebSocket

  • Automatic ADF Logout on Browser Close with WebSocket. Every ADF project could have a requirement to handle browser close event effectively. Differently than desktop applications where we could handle such events, browser doesn't send any event to the server, when browser page is closed. This is especially important for transactional data, when user locks data row and lock must be released automatically, in case if user is closing browser without unlocking. Besides transactional data management, it is important for performance improvement - Web session will be closed instantly and WebLogic resources will be released. There was no reliable solution to handle this, now we can do it with WebLogic 12c and WebSockets. WebLogic 12c supports WebSockets natively, there is no need to configure anything or add libraries.
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