I ended up modifying the following settings in the Apache configuration file to prevent it from timing out with its proxy operation (with a large over-spill factor in case Tomcat took If, however, the responses without the proxy are consistently something much less than the five minutes see here as the cut-off limit, then there might really be some odd interference between Hope this helps. 0 Write Comment First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. Application response times were high, and the automated testing software logged many errors where application functions did not complete properly. http://lanprolab.net/apache-tomcat/apache-tomcat-error-500.php
Proxy support can take many forms. With “disablereuse=on”, Apache will use a new TCP connection for each HTTP request. By default apache has a timeout of 300 seconds for proxied responses –Dave Cheney Oct 4 '08 at 6:46 add a comment| up vote 2 down vote Sample from apache conf: This creates a queue of 2000 connections that will be accepted by the HTTP connector, but not processed until a thread becomes available.
asked 6 years ago viewed 156630 times active 7 days ago Linked 2 Apache as proxy generates failure. 1 Apache2 + Tomcat : Receiving request through apache2 results in timeout and It's better to try the stuff I've suggested above, before you respond with a description of the network (a lot of typing) and a copy of the httpd.conf. All rights reserved. In the example above, it would be localhost.
The Apache error logs were completely empty, and the access logs showed no abnormal HTTP return codes. I'm thinking you may have something like proxy for all domain names, but not for IP addresses in the range that the target is. How can I obtain 12v dc, 3.3v dc and 5v dc from a single 5v Li-ion battery? Apache Tomcat Reverse Proxy Why does this error occur?
The servlet API calls of interest, for this purpose, are: ServletRequest.getServerName(): Returns the host name of the server to which the request was sent. Error 502 Tomcat has plenty of threads, so it's not thread-constrained. They happen very rarely (one in a thousand requests). This configuration handles incoming connections only.
To contrast and be clear, forward proxy would have something like: ProxyRequests Go to Solution 5 Comments LVL 10 Overall: Level 10 Linux Distributions 5 Linux 5 Software Firewalls 1 Apache Tomcat Reverse Proxy Howto If you do so, the value returned by request.getServerName() will by the host name on which Tomcat is running. The proxy server could not handle the request GET. Background: Configuring the Apache Reverse Proxy Let’s begin with a little background information on how the Apache reverse proxy is configured.
Perhaps a description of the network environment and a copy of the httpd.conf would help here. http://blog.somepixels.net/en/502-proxy-error-uploading-from-apache-mod_proxy-to-tomcat-7/ Note… Linux Distributions Linux/ Unix Bash Shell: Finding Files Video by: Dototot Learn how to find files with the shell using the find and locate commands. Apache Tomcat Proxy Setup You might wish to use the IP filtering features of your operating system to restrict connections to port 8081 (in this example) to be allowed only from the server that is Apache Tomcat Proxy Timeout Implemented a connection pool on the Apache Reverse Proxy by eliminating the “disablereuse=on” parameter.
Why Tomcat timeouts were being perceived as 502 and 503 errors at the load balancer is still a bit of a mystery. this page The Apache Reverse Proxy then passes those requests to the Tomcat Application Server in unencrypted form and using port 8080, which is the TCP port that the application vendor has configured Here is my current configuration, any suggestions? #keepalive Off ## I have tried this, does not help #SetEnv force-proxy-request-1.0 1 ## I have tried this, does not help #SetEnv proxy-nokeepalive 1 The diagram below illustrates how the Tomcat application server in such an environment serves an HTTP request. Apache Tomcat Proxy Configuration
Join them; it only takes a minute: Sign up Proxy Error 502 : The proxy server received an invalid response from an upstream server up vote 24 down vote favorite 5 I added Timeout 5400 ProxyTimeout 5400 inside
Looking for "turn to dust" alternative as a single word Can Infrared Thermometer (IR Gun) be used to measure the ambient room temperature? Apache Web Server Proxy All the boxes are sitting inside our firewall on a fast unloaded network, so there shouldn't be any network problems. Or if you're using HTTPS you might have a certificate error (where the name doesn't match the IP address or the certificate has expired), which would break the chain of trust.
mod_proxy_http is fine in most szenarios but we are running it with heavy load and we still got some timeout problems we do not understand. Which is faster? Does Barack Obama have an active quora profile? Apache Axis Proxy share|improve this answer answered Mar 5 '10 at 16:59 community wiki Neil Salter What is the syntax for timeout setting?
more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed asked 2 years ago viewed 89433 times active 24 days ago Visit Chat Related 837Difference between proxy server and reverse proxy server22The proxy server received an invalid response from an upstream Some Pixels en / pt 502 Proxy Error / Uploading from Apache (mod_proxy) to Tomcat 7 14 Dec 2012 I've been working on a product lately where we need a reverse http://lanprolab.net/apache-tomcat/apache-tomcat-error-403.php The proxy server received an invalid response from an upstream server.
Timeout 3000 ProxyTimeout 3000 ProxyBadHeader Ignore More information you can find on Apache website (http://httpd.apache.org/docs/2.2/mod/mod_proxy.html) Also, please tell us in which configuration this error apears (Apache-Tomcat, only Tomcat,Nginx-Tomcat, etc.) Navapara Mar 12 '15 at 5:27 add a comment| 7 Answers 7 active oldest votes up vote 32 down vote Just to add some specific settings, I had a similar setup Moment of selecting a target from an ability of a planeswalker Is there a way to make a metal sword resistant to lava? java email proxy tomcat6 share|improve this question asked Dec 5 '13 at 17:36 Ranjeet Ranjan 1332210 add a comment| 3 Answers 3 active oldest votes up vote 26 down vote The
When requests are proxied in this manner, all requests for the configured web applications will be processed by Tomcat (including requests for static content). Proxy Error The proxy server received an invalid response from an upstream server. Why write an entire bash script in functions? That way I can do these sorts of global search-and-replace operations in my apache config working directory, as a troubleshooting step.
Since that solved the problem for me, therefore I knew that my problem was not a missing "KeepAlive" directive argument, but rather, my problem was a missing dependency. Reference here share|improve this answer answered Sep 29 '10 at 17:46 TCampbell 1,7441012 No, this didn't help. If you are building from source, the easiest way to do this is to include the --enable-module=proxy directive on the ./configure command line. current community blog chat Server Fault Meta Server Fault your communities Sign up or log in to customize your list.
These six sources will help you identify the most popular threat actor tactics, techniques, and procedures (TTPs).