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The proxy server could not handle the request GET /. Final Results The intention of these settings is to ensure a more efficient use of the network connections between the Apache reverse proxy and the Tomcat application server. 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. 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://svbuckeye.com/apache-tomcat/apache-error-400-tomcat.php

When requests are proxied in this manner, all requests for the configured web applications will be processed by Tomcat (including requests for static content). Connect with top rated Experts 10 Experts available now in Live! 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 The netstat utility showed only a few hundred TCP connections in TIME_WAIT state rather than thousands.

Apache Tomcat Proxy Setup

I suspect the java application throws a 500+ error thus the apache gateway error too. share|improve this answer answered Aug 17 '09 at 12:23 community wiki Janning This worked for me. We're pushing 2400 users via JMeter against the app.

  • Seeing only a very small number of these under load.
  • Workaround There are three workarounds for this issue: Remove the reverse proxy Make a configuration where there's only one IP address per SSL virtual hosts/server name1 server name == 1 IP
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  • Now let’s take a look at how the Apache reverse proxy module is configured: ProxyPass /learning http://tomcatapp:8080/learning disablereuse=on retry=0ProxyPass /help http://tomcatapp:8080/help disablereuse=on retry=0ProxyPass /pqe http://tomcatapp:8080/pqe disablereuse=on retry=0 This configuration maps requests
  • It has to be kept in mind that setting this variable downgrades performance, especially with HTTP/1.0 clients.
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  • 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
  • Initial Performance Testing Results We set up and ran the performance test against the LMS application.

Once the table is out of slots, no more connections may be opened, which leads to 500 and 503 return codes on the client browser. 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 What to tell to a rejected candidate? Apache Tomcat Reverse Proxy 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.

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. Apache Tomcat Proxy Example Apache Server at msizzler.com Port 80 But when we are sending from localhost I did not received any error. Error 502 Tomcat has plenty of threads, so it's not thread-constrained. proxyName="www.mycompany.com" proxyPort="80"/> which will cause servlets inside this web application to think that all proxied requests were directed to www.mycompany.com on port 80.

After sending 400-500 mails tomcat6 service get stopped. Apache Tomcat Reverse Proxy Howto Opening a new TCP connection takes time, memory, and processing power, so this configuration will make better use of network resources and will perform much better under a heavy load of When requests are proxied by Apache, the web server will be recording these requests in its access log. Why does this error occur?

Apache Tomcat Proxy Example

This connector is responsible for handling incoming HTTP requests and passing them to the JVM for processing. The important setting here is the maxThreads setting, which The KeepAlive=On should be inserted into ProxyPass config line: ProxyPass / http://www.dom.fi:8080/ retry=1 acquire=3000 timeout=600 Keepalive=On See that Keepalive=On there? Apache Tomcat Proxy Setup This creates a queue of 2000 connections that will be accepted by the HTTP connector, but not processed until a thread becomes available. Apache Tomcat Proxy Timeout Moment of selecting a target from an ability of a planeswalker Is there a way to make a metal sword resistant to lava?

Browse other questions tagged java email proxy tomcat6 or ask your own question. http://svbuckeye.com/apache-tomcat/apache-tomcat-error.php Did Donald Trump call Alicia Machado "Miss Piggy" and "Miss Housekeeping"? All the boxes are sitting inside our firewall on a fast unloaded network, so there shouldn't be any network problems. How to handle spending money for extended trip to Europe without credit card? Apache Tomcat Proxy Configuration

They happen very rarely (one in a thousand requests). My dilemma: Everything works fine normally (fast requests, few seconds or few tens of seconds long requests are processed ok). We started by bumping this up to 500 and eventually bumped it up again to 1,000. http://svbuckeye.com/apache-tomcat/apache-tomcat-error-log.php Pheno Menon's number challenge How to protect an army from a Storm of Vengeance Why are some programming languages turing complete but lack some abilities of other languages?

What tool can I use? Apache Web Server Proxy UPDATE 10/21/08: Still haven't figured this out. Is it unethical to get paid for the work and time invested in thesis?

This avoids the "proxy: error reading status line from remote server" error message caused by the race condition that the backend server closed the pooled connection after the connection check by

The proxy error page says: Proxy Error The proxy server received an invalid response from an upstream server. Mail is being send by third party SMTP. 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 Apache Axis Proxy It is critical ;) share|improve this answer answered Feb 18 '11 at 22:27 Martin 55143 7 I believe you can mark your own answers as Accepted.

Share this Article: Sign Up for Email Updates Blog Topics Data Management (20) Big Data (13) Custom Development (8) Infrastructure (5) Software Testing (4) Tech Writing (4) Business Intelligence (3) General This tutorial will show you how to backup your system files and keep regular intervals. Workaround to Handle Thousands of Concurrent Connections Here is what we did to tune both the Tomcat Server and the Apache Reverse proxy to handle the large number of requests between http://svbuckeye.com/apache-tomcat/apache-tomcat-error-500.php Any pointers what to try next? –Martin Feb 12 '11 at 7:49 add a comment| 6 Answers 6 active oldest votes up vote 55 down vote I have solved the problem.

The answers below haven't provided any magical answers...yet. :) java apache tomcat mod-proxy share|improve this question edited Oct 21 '08 at 19:45 community wiki 2 revsAlex Miller I am But see if the above directive fits your needs. Join the community of 500,000 technology professionals and ask your questions. Reason:Error reading from remote server

x 0 Follow Answer Answer at this question and get points! 3 Answers most voted oldest newest 05 Feb '15, 07:26 AM Laurentiu

where I Can find this config file and where I have to write this property in that config file. –Uday A. Problem is that you don't know who is the problematic host/proxy, so you need to isolate the source of the error. Comment Submit Your Comment By clicking you are agreeing to Experts Exchange's Terms of Use. Should an elected official feel obligated to vote on an issue based on the majority opinion of his constituents?

Configure your copy of Tomcat 6 to include a special element, with appropriate proxy settings, for example: