Over the past few weeks, some of our readers have reported that they have encountered an error while reading the Apache2 proxy from the remote server returned.
If the projects above do not provide solutions, you can try activating all of your Apache modules to make sure you don’t need a module that was accidentally deactivated.
For example, I found the cause of my problem by replacing all #LoadModule sessions with LoadModule in all other Apache config files. Since this fixed his problem for me, I knew that my problem was not an argument for the KeepAlive Left directive, but my problem was already a lack of dependency.
Remember that data is essentially static libraries. A checked item does not mean that it is in use, but if it is disabled it will mean that it cannot be used, and therefore everything that depends on it may necessarily fail.
Note. This answer got a lot of negative votes as my very first answer said that it should disappear from all activated mods forever. While in theory you would do this without necessarily damaging anything, this is obviously not the best solution in practice.
Please understand II’m suggesting all of this for troubleshooting purposes only, not as a step, but as a still working solution.
Also note, I am using an awesome Git project to keep track of all Apache configuration files on my organization’s local machine. This way I can perform such find and replace operations all over the world in my Apache config directory as a troubleshooting step. If all modules are successfully authorized, try disabling the group again one at a time and restarting Apache until you find a module that should be considered enabled. Once you figure it out, reset the repository to its original state and barely activate the module that should remain activated.
You will also find that the git implementation to keep track of your Apache config documents will clear those directories, hopefully you no longer need the old .bak and .evasion files.
Apache2
nanohttpd (web server (Java))
The site itself is definitely working fine, I need a lot of database entries that the nanohttpd webserver returns after a few final points
I found that this has to do with the length of the normally returned site, because if I move records from one state to another, this one with a lot of records ensures that you pass this error to me.
I looked around a bit and thought it might be a timeout problem, but I have too many timeouts to virtualize my host and this problem persists
Proxy error
The proxy server received an invalid response from the upstream server.The proxy can use the practice of GET / foo. do not healReason: error reading from controller serverApache / 2.4.10 (Debian) server on port 443 foo.foo.foo
Webmaster ServerAdmin @ localhost DocumentRoot / var / www / directory Server name foo.foo.foo ServerAlias foo.foo.foo ProxyPass "/" "http://foo.com:8080/" ProxyPassReverse "/" "http://foo.com:8080/" ErrorLog $ APACHE_LOG_DIR / error.log CustomLog $ APACHE_LOG_DIR / access.log together Include /etc/path/options-ssl-apache.conf SSLCertificateFile /etc/path/foo.com-0001/fullchain.pem SSLCertificateKeyFile /etc/path/foo.com-0001/privkey.pem
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I used to try to put timeout = x andconnectiontimeout = x for ProxyPass but that didn’t seem to help
edit:Since there is currently no answer here, I will add a reward soon if warranted.
As you can see in VirtualHost, I am using an Apache reverse proxy that enables SSL for my application
Well, hardly any nanohttpd server returns a very simple HTML page with a specific table and row for every record in the database. If there are more than 100 private entries in its specific category, I get a proxy error.
At the moment I’m pretty sure this was due to a process timeout, but I definitely looked through a lot of posts trying to get the config in mine, and (yes, I restarted Apache2 after every change) until nothing worked …
Maybe something is missing in nanohttpd on my web server?A simple header or just a cookie, from now on I will not send any of you anymore.
