If you want to keep a connection alive in background, you will face many problems. What I did to solve the issue is adjusting the TCP keepalive settings in Linux kernel, and invoke ws._socket.setKeepAlive (true). networking tcp ldap keep-alive openldap sockets java http iis.net mysql php ajax timeout javascript chat asp.net assemblies appdomain application-pool web-services mongoose-web-server blackberry python cookies urllib2 httplib c# windows desktop-application iis-7 html css jquery swing jscrollpane infinite multithreading java-me connection httpwebrequest http … The first one, targeting Oreo, is that if your app is in background (definition of "background" in this context is here) it won't be allowed to run except … Otherwise read through the rest of the answer to learn how TCP Keep-Alive works. Does a TCP socket connection have a "keep alive"?? - IDQnA.com cannot keep socket connection when screen off in android How do I configure the client? Solution 4: Restart the Bluetooth Connection. TCP builds upon IP to get the data delivered. Solution 6: On your phone, look through the list of CarPlay vehicles. Also, you are not handling recv () reporting an error at all. In order to detect this scenario and close stale connections the TCP Keep Alive process is used. Android persistent socket connection rules? - IDQnA.com
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