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Apache Tomcat Proxy Error


The proxy server could not handle the request GET. Reason: Error reading from remote server If you think this is a server error, please contact the webmaster. Apache 2.0 Proxy Support The same instructions hold true as for 1.3. (Except in Apache 2.0, you may omit AddModule mod_proxy.c) Copyright © 1999-2016, Apache Software Foundation MenuExperts Exchange Browse Dennis numbers 2.0 How can I remove perfectly round locking wheel lugs? weblink

If you are not using Apache HTTP Server and your are using only Tomcat the error may be generated due the following reasons: The Tomcat threads are timing out A network When you access the Jetty server directly, does this resource really take that long to produce a response? UPDATE 10/21/08: Still haven't figured this out. In short, the server name presented is that of the reverse DNS resolution of the IP, not the one in the URL. http://serverfault.com/questions/185894/proxy-error-502-reason-error-reading-from-remote-server-with-apache-2-2-3-de

Apache Tomcat Proxy Setup

Our analysis of the log entries and netstat data led to the following conclusions: Every HTTP request by a browser means several connections between the reverse proxy and the application server. I'd suggest you first of all check the Allow from/Deny from statements in your httpd.conf. Tomcat will continue to add threads up to the maxThreads setting in order to achieve this. The proxy server could not handle the request GET /the/page.do.

  1. Alternatively, you can set up a series of web applications that are only available via proxying, as follows: Configure another that contains only a for the proxy port.
  2. This allows the Apache reverse proxy to have some control over the number of connections that it must open to send its incoming requests to the Tomcat application server.
  3. Every connection from the reverse proxy, whether or not it was serviced by Tomcat eventually ends up in a TIME_WAIT state.
  4. We're using mod_proxy to do the job and everything is hosted on Amazon's EC2.
  5. Also check for NoProxy statements, which will allow proxy bypass.

Added the “ttl=50” parameter to the ProxyPass statement. This means that it must open a lot of connections to Tomcat and wait 4 minutes after the transaction is complete for each connection to close. Also check for ProxyBlock statements. Apache Tomcat Reverse Proxy It worked for me after battling for a while.

Example usage of CP as follow: cp /myfoder /pathto/destination/folder/ cp abc.tar.gz /pathto/destination/folder/ab… Linux Backup Files in Linux Using Timeshift Article by: comfortjeanius You ever wonder how to backup Linux system files Apache Tomcat Proxy Example Why exactly is that Keepalive=On critical? –dokaspar Apr 15 at 12:22 | show 1 more comment up vote 3 down vote Have you tried setting setenv proxy-initial-not-pooled 1? The LMS application uses the HTTP protocol between the client browser and the Tomcat Application server. 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

To contrast and be clear, forward proxy would have something like: ProxyRequests On ProxyVia On Order deny,allow Deny from all Allow from mydomain.com and the Apache Tomcat Reverse Proxy Howto The proxy server could not handle the request GET /. 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 The Tomcat Connector will wait60 seconds for another HTTP request on any given connection before closing that connection.

Apache Tomcat Proxy Example

The netstat utility showed only a few hundred TCP connections in TIME_WAIT state rather than thousands. When requests are proxied in this manner, all requests for the configured web applications will be processed by Tomcat (including requests for static content). Apache Tomcat Proxy Setup Not the answer you're looking for? Apache Tomcat Proxy Timeout The proxy server received an invalid response from an upstream server.

Implemented the minSpareThreads=”100” setting on the Tomcat server. http://dis-lb.net/apache-tomcat/apache-tomcat-6-0-29-error.php Implemented acceptorThreadCount=”4” on the Tomcat server. The proxy server could not handle the request GET /lin/Campaignn.jsp. Seeing a lot of 502 errors like this: Bad Gateway! Apache Tomcat Proxy Configuration

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 Proxy Error The proxy server received an invalid response from an upstream server. 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 http://dis-lb.net/apache-tomcat/apache-tomcat-503-error.php Yes No Thanks for your feedback!

share|improve this answer answered Sep 28 '14 at 1:56 Anthony Hunt 428313 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Apache Web Server Proxy Look in your tomcat logs (localhost.log, or catalina.log) I suspect your seeing an exception in your web stack bubbling up and closing the socket that the tomcat worker is connected to. ServletRequest.getServerPort(): Returns the host name of the server to which the request was sent.

After implementing these changes, we saw a very dramatic difference in the performance test results.

We're pushing 2400 users via JMeter against the app. There is a limit to the number of connections that the reverse proxy can open to the application server, and once this limit is surpassed, the “Cannot assign requested address” message One of Moser’s largest clients uses a web-based Learning Management System (LMS) to support the training needs of its staff. Apache Axis Proxy This forces Tomcat to always keep 100 threads free for incoming requests.

Is there any way to make the cut command read the last field only? Group of units of a ring spectrum vs of its connective cover Is my workplace warning for texting my boss's private phone at night justified? That's a pretty long time to wait for a response. this content Error 502 Tomcat has plenty of threads, so it's not thread-constrained.

Because this timeout is 10 seconds less than the keepAlivetimeout setting on the Tomcat server, the Apache reverse proxy will close the connection first. Apache Server at msizzler.com Port 80 But when we are sending from localhost I did not received any error. This is normal, but the connection stays in this state for 4 minutes. share|improve this answer answered Dec 1 '08 at 15:30 community wiki Alex Miller Do you have any idea yet, why the load balancer throws bad gateways if the tomcat

Finally, let’s take a look at how the Tomcat Application Server’s HTTP connector is configured. Well you can use Timeshift in Linux to perform those similar action. When you are running behind a proxy server (or a web server that is configured to behave like a proxy server), you will sometimes prefer to manage the values returned by Note: this answer has received some down-votes due to the fact that my initial answer seemed to suggest leaving all the modules enabled, forever.

How rich can one single time travelling person actually become? All above settings tried and also increasing jetty maxIdleTime did not help. BUT if i use http://mydomain.com/axis2/service/MyService basically "/axis2/service/MyService" gets forwarded to port 1234 of some server. 0 LVL 10 Overall: Level 10 Linux Distributions 5 Linux 5 Software Firewalls 1 Message