topic How to determine if there is an available WebSocket connection? in Connectivity & Data Prep https://community.qlik.com/t5/Connectivity-Data-Prep/How-to-determine-if-there-is-an-available-WebSocket-connection/m-p/121252#M661 <HTML><HEAD></HEAD><BODY><P>We are imbedding Qlik visualizations in our company website and we are trying to solve an issue with WebSockets.&nbsp;&nbsp; Initially, we were opening several Qlik Applications to build the page and, in IE especially, we hit the limitation on the number of available WebSockets.&nbsp; We have reduced the number of WebSockets needed, but if the user opens the site on multiple tabs, we can still run out of available WebSockets.</P><P></P><P>We are trying to do one of two thing to help this.&nbsp;&nbsp; Either, determine the number of available WebSockets before we attempt to open a new Qlik Application and, if none are available, inform the user so they can close some of the open tabs.&nbsp;&nbsp; If we can't proactively determine if there is a WebSocket available, then the alternative would be to trap an error that tells us that there wasn't an available WebSocket and inform the user of the failure.&nbsp;&nbsp; Right now, all we get is a blank page with no visualizations loaded and no indication of why.</P><P></P><P>With WebSocket connections being so critical for Qlik, I am wondering if anyone else has dealt with this issue and developed a way to determine WebSocket availability, either before or after the event.</P><P></P><P>Del- </P></BODY></HTML> Fri, 24 Aug 2018 19:56:01 GMT dellamb19 2018-08-24T19:56:01Z How to determine if there is an available WebSocket connection? https://community.qlik.com/t5/Connectivity-Data-Prep/How-to-determine-if-there-is-an-available-WebSocket-connection/m-p/121252#M661 <HTML><HEAD></HEAD><BODY><P>We are imbedding Qlik visualizations in our company website and we are trying to solve an issue with WebSockets.&nbsp;&nbsp; Initially, we were opening several Qlik Applications to build the page and, in IE especially, we hit the limitation on the number of available WebSockets.&nbsp; We have reduced the number of WebSockets needed, but if the user opens the site on multiple tabs, we can still run out of available WebSockets.</P><P></P><P>We are trying to do one of two thing to help this.&nbsp;&nbsp; Either, determine the number of available WebSockets before we attempt to open a new Qlik Application and, if none are available, inform the user so they can close some of the open tabs.&nbsp;&nbsp; If we can't proactively determine if there is a WebSocket available, then the alternative would be to trap an error that tells us that there wasn't an available WebSocket and inform the user of the failure.&nbsp;&nbsp; Right now, all we get is a blank page with no visualizations loaded and no indication of why.</P><P></P><P>With WebSocket connections being so critical for Qlik, I am wondering if anyone else has dealt with this issue and developed a way to determine WebSocket availability, either before or after the event.</P><P></P><P>Del- </P></BODY></HTML> Fri, 24 Aug 2018 19:56:01 GMT https://community.qlik.com/t5/Connectivity-Data-Prep/How-to-determine-if-there-is-an-available-WebSocket-connection/m-p/121252#M661 dellamb19 2018-08-24T19:56:01Z