No of windows server and there service pack with built details. What load balancer is used. I assume I know the issue but let me know with network traces. Not sure when Kestrel hosted app is recycled? Maybe you should change the request time in the web. Not sure if this is the same issue you were having but I am putting here as an answer if someone else had the same problem as I did, with similar symptoms to you. With this information you could now start an investigation into why the Connection: close header was sent. I suspect it is related to communication with database.
To investigate further, use Network Monitor on the member server to get a network trace of the problem. There is a problem with the page you are looking for, and it cannot be displayed. This forum is discussing about the. I'll submit a bug report to Microsoft. Take note, that if you have not configured a Health Test, then they will have a 'Healthy' status. Changes need to be done on Load Balancer. Please let me know the approaches to resolve this issue? This forum is discussing about the.
The above log give us two import information, the error comes from AspNetCoreModule and the error code is 2147954402. That means, the 502 error is fired by AspNetCoreModule and it probably has experienced some invalid response. Alternatively, we can enable Failed Request Tracing to know more details. When it is done, you will find a net. This is because you would not see any traffic on the target server and therefore would not know the error code. I logged into each of the servers and checked that the Default Web Site was running and sure enough, one of them was not. Set requestTimeout attribute in section system.
Kindly check the below reference links : Hope its helpful to others. I have tried to enable logging stdoutLogFile no error logged. Once the problem is reproduced, stop the tracing by running the following command from the command prompt: netsh trace stop The stop command will take a few seconds to finish. When the Web server while acting as a gateway or proxy contacted the upstream content server, it received an invalid response from the content server. This was an easy one to solve, but thought I write a post just in case it helps someone…somewhere.
I searched for the 502 502. The steps are as follows: 1. Close without returning any data. The last two subfolders in the path did not exist. No way to get any info. Therefore, you would want to investigate whether this execution time was normal or whether you would need to look at why the request was taking longer than expected. However, sometimes, there is no real issue but your browser thinks there is one thanks to a problem with your browser, an issue with your home networking equipment, or some other in-your-control reason.
This results in the 0x80072f78 error code being returned. I've enabled trace log but not sure where can I find the exact problem. This particular error example was created by calling Response. When I change connection string in appsettings. What load balancer is used. Certificate error being one of them. The error s there might tell you something.
Cannot get any error info and I know it is something long running causing timeout. Also, let me know if you need any further information on same. If you are looking at this post then you probably have already seen this error or something similar. Make sure you have set up your parser profile as described. Increasing the timeout as 120s has fixed the issue.
I have seen this issue on Windows server 2008 sp1 Hi Inderjeet, Thank you very much to look at this issue! This can be beneficial to other community members reading this thread. In the example above, the. There is a problem with the page you are looking for, and it cannot be displayed. RunImpersonated , and converted the controller to be 100% synchronous, and now everything is operating smoothly. Kind Regards, Dipti Chhatrapati Hi Dipti, The 502 shows an issue with the page you are looking for, and it cannot be displayed. Instead, I had to login to each server in the farm and check manually.
The data is the error. Here's a pastebin link, this was way too long to have on this one page. To test this type of problem, create a simple. Scroll through the trace until you find the w3wp. Also please share below along with traces: 1. When the web server contacted the upstream content server, it received an invalid response from the content server. This started happening after I added in the Impersonation portion of my program.
But other times the initial request does turn into a 302, and a new 502 is created. I verified firewall ports and connectivity was ok. The error s there might tell you something. Once this was installed, it all worked just fine. This can happen for multiple reasons - for example, failure to connect to the upstream server, no response from the up stream server, or the up steam server took too long to respond time out.