Proxy error during site update

Proxy Error: "Error reading from remote server"

LAST TESTED ON CHECKMK 2.2.0P1

Table of Contents

Getting Started

Background information regarding this subject is available on our:

Problem

During a site update on Checkmk Appliance, you may run into a Proxy error from Apache.

Proxy Error. 
The proxy server received an invalid response from an upstream server. 
The proxy server could not handle the request. 

Reason: Error reading from remote server

Solution

If you encounter an error, the update will not be successful. To enable the webconf to function properly, please follow these steps:

Check the update.log on the Checkmk Appliance.

You will notice that the update.log is hanging and full of errors
```
root@mylinuxhost:/mnt/auto# cat /omd/sites/mysite/var/log/update.log
```
You need to solve all the problems
.
Now you need to rerun the update config command to update the whole config
```
OMD[mysite]:~$ cmk-update-config -vv
```
.
Start the Site. The webconf should work again.

If the webconf is not working, try to restart the Apache and webconf daemon.
```
root@mylinuxhost ~$ systemctl status webconfd
```
```
root@mylinuxhost ~$ systemctl status apache2.service
```

The Update was completely finished. You received only an error because of some errors mentioned in the update.log

Proxy error during site update

Getting Started

Problem

Solution

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