The underlying connection was closed: The connection was closed unexpectedly. When this exception is thrown, it is calling a method of a web reference. Now the situation that we experience this is on a laptop in the field that is using a WWAN connection in at least one location.
Jun 21, 2017 · The Connection Keep-Alive feature helps preventing connections to be closed due to time-outs of this kind by periodically executing a simple SELECT statement. Network connections may be terminated for other reasons than a time-out in the database or at the network layer, e.g due to a restart of the database or a network element. Mar 13, 2019 · Keep-Alive is build with the idea of sending multiple HTTP requests/responses via one TCP connection thus significantly reducing the time needed for the web browser to load files from the web server. Keep-Alive is utilized to the fullest when dealing with static content like images as it allows the requestor to get all of the images from the keep your connection alive Connection Keeper prevents your Internet connection from appearing idle or inactive. It does this using almost no bandwidth or system resources. If a connection is lost, Connection Keeper can automatically dial back in. Download KeepNetworkAlive - Simple-to-use program that keeps your Internet connection alive by sending ping commands to a selected IP address at a regular time interval Nov 14, 2014 · "Proxy-Connection: keep alive" - how do I stop this from printing on its own every few minutes? 01-09-2015 05:33 PM I tried everything including what you and someone else said to do, and I also deleted the printer and reinstalled it and it's still doing it. Re: exceeding HTTP Keep-Alive timeout I'm pretty sure each time these meter reader things send data that they will be using a new TCP connection every time. I can't see how it would re-use the same socket over such a long period.
Keep-Alive: Persist: Connection: Keep-Alive, Persist. to an origin server (but NOT to a proxy). This allows it to request a persist connection from either an HTTP/1.1 or HTTP/1.0+keepalive server without knowing in advance what the server type is.
a) Decrease the time default value for tcp_keepalive_time connection from 7200 seconds to 60 seconds. This determine the time of connection inactivity after which the first keep alive request is sent. Parameter below shows that the TCP will begin sending keepalive null packets after 1 minute. net.ipv4.tcp_keepalive_time = 60 Connect to your account and monitor the connection. If it stil drops, gradually decrease the keepalive interval until the connection is stable. Linux and Mac OS X operating systems. On Linux and Apple Mac OS X operating systems, the ~/.ssh/config file enables you to specify many SSH settings, including those that keep alive an SSH connection Aug 29, 2015 · When Keep-Alive is turned on the web server will return a HTTP-Header to the web browser saying to keep the connection alive, and how long for. Connection:Keep-Alive Keep-Alive:timeout=5, max=100 This means allow the connection to be kept alive, for 5 seconds and for a maximum of 100 resources.
You are using HTTP/1.1 and you are specifying Connection: keep-alive. Under HTTP/1.1 all connections are keep-alive by default, and the Connection: keep-alive header has been deprecated, so you should not send it. Connection: keep-alive is a little hack used back in the so-called HTTP/1.0+ days. (The + stands for "hacks necessary to get it to
Mar 13, 2019 · Keep-Alive is build with the idea of sending multiple HTTP requests/responses via one TCP connection thus significantly reducing the time needed for the web browser to load files from the web server. Keep-Alive is utilized to the fullest when dealing with static content like images as it allows the requestor to get all of the images from the keep your connection alive Connection Keeper prevents your Internet connection from appearing idle or inactive. It does this using almost no bandwidth or system resources. If a connection is lost, Connection Keeper can automatically dial back in. Download KeepNetworkAlive - Simple-to-use program that keeps your Internet connection alive by sending ping commands to a selected IP address at a regular time interval Nov 14, 2014 · "Proxy-Connection: keep alive" - how do I stop this from printing on its own every few minutes? 01-09-2015 05:33 PM I tried everything including what you and someone else said to do, and I also deleted the printer and reinstalled it and it's still doing it. Re: exceeding HTTP Keep-Alive timeout I'm pretty sure each time these meter reader things send data that they will be using a new TCP connection every time. I can't see how it would re-use the same socket over such a long period.