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Redmine Error Reading Status Line From Remote Server

sit for a day, I get these messages when I try to open the application. The only thing that seems to work is to restart mongrel_cluster. Has anyone seen this before? I'm using mod_proxy, and proxy_balance in Apache 2.2 compiled from Source on Ubuntu (on a VMware slice). Proxy Error The proxy server received an invalid response from an upstream server.The proxy server could not handle the request GET /. Reason: Error reading from remote server Replies (12) RE: Error produced when using Redmine with Apache - Added by John Z over 8 years ago Apache error log says, [Wed Apr 02 22:12:56 2008] [error] [client 10.5.115.45] (70007)The timeout specified has expired: proxy: error reading status line from remote server 10.1.81.106[Wed Apr 02 22:12:56 2008] [error] [client 10.5.115.45] proxy: Error reading from remote server returned by / No other logs (apache Access.log or anything in the applications logs) have any other entries. RE: Error produced when using Redmine with Apache - Added by John Z over 8 years ago I'll try this and report back. http://www.workingwithrails.com/forums/4/topics/77-how-to-deal-with-proxy-error-s----------------- If you are running mongrel_cluster in background with apache+mod_proxy to serve rails requests then this might help you. mod_proxy sometimes reject requests to Mongrel. This comes from two known Apache bugs #39499 and #37770 To resolve the problem and as workaround for it add the lines below to your Apache VirtualHost section. #Fix for Apache bug 39499 SetEnv force-proxy-request-1.0 1 SetEnv proxy-nokeepalive 1 RE: RE: Error produced when using Redmine with Apache - Added by John Z over 8 years ago Update: Initial testing seems to indicate that this did not solve the problem. I made the changes last night, Redmine started fine and worked happily, then I went to bed. Now, the symptom seems to still exist. RE: RE: RE: Error produced when using Redmine with Apache - Added by Carl Nygard over 8 years ago Your instructions worked for me, had the same problem. You said you restarted Redmine, but did you restart Apache? RE: Error produced when using Redmine with Apache - Added by John Z over 8 years ago Yep, I restarted Apache. But, I'll try it again since it worked for you and I don't have anything else to try. RE: Error produced when using Redmine with Apache - Added by Carl Nygard over 8 years ago Well

onewaypub 5 post(s) Hi everyone, I have a problem with Redmine. After an installation of redmine (Bitmine stack), I cannot call the local site. I just get an error message in my browser with error code 502. So I checked the logfiles of apache and mongrel. It seems that the apache server correctly forward the request to the next mongrel instance. But mongrel only say the http request in invalid. After I have made inquiries I found some topics about bugs http://www.redmine.org/boards/2/topics/374?r=376 on apache and mongrel (logger problem etc..). Nothing works. Interesting is that on every machine in the company I work, Bitnami's redmine don't work. But on my personal notebook everything is fine. Could this be a problem of something like the domain? After one week I have no more idea, where I can find a solution. Has someone an idea https://bitnami.com/forums/forums/redmine/topics/redmine-post-installation-problem what happens here? Many, many thanks for your help,Carl 06 Jul, 2008 10:43 AM Beltrán Rueda Administrator 3,714 post(s) Hi, It is strange. Have you installed over Windows? Apache is configured as a proxy or load balancer between two Mongrel servers. Could you access to Redmine at http://127.0.0.1:3001? Have your office machine a custom network configuration or a firewall which does not let to connect Apache with the Mongrel servers? You can try to change the Apache configuration settings in /apache2//conf/redmine-mongrel-cluster.conf. BalancerMember http://127.0.0.1:3001 BalancerMember http://127.0.0.1:3002 Maybe your network configuration does not let to manage the 127.0.0.1 ip, try to change to the computer ip or disable the firewall. I hope it helps you. 07 Jul, 2008 11:31 AM onewaypub 5 post(s) Hi, Thank you for your answer. Yes the application is installed over Windows. Over the port 3001 and 3002 I can acess the application without problems. I have disabled the firewall and also changed the adress: BalancerMember http://HOST:3001 BalancerMember http://HOST:3002 Nothing works. Thx Carl

Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more http://serverfault.com/questions/185894/proxy-error-502-reason-error-reading-from-remote-server-with-apache-2-2-3-de about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system https://www.softel.co.jp/blogs/tech/archives/4863 and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top redmine error Proxy Error 502 “Reason: Error reading from remote server” with Apache 2.2.3 (Debian) mod_proxy and Jetty 6.1.18 up vote 48 down vote favorite 24 Apache is receiving requests at port :80 and proxying them to Jetty at port :8080 The proxy server received an invalid response from an upstream server The proxy server could not handle the request GET /. My dilemma: Everything works fine normally (fast requests, few seconds redmine error reading or few tens of seconds long requests are processed ok). Problems occur when request processing takes long (few minutes?). If I issue request instead directly to Jetty at port :8080 the request is processed OK. So problem is likely to sit somewhere between Apache and Jetty where I am using mod_proxy. How to solve this? I have already tried some "tricks" related to KeepAlive settings, without luck. 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 ## I have tried this, does not help #SetEnv proxy-initial-not-pooled 1 ## I have tried this, does not help KeepAlive 20 ## I have tried this, does not help KeepAliveTimeout 600 ## I have tried this, does not help ProxyTimeout 600 ## I have tried this, does not help NameVirtualHost *:80 ServerAdmin webmaster@mydomain.fi ServerName www.mydomain.fi ServerAlias mydomain.fi mydomain.com mydomain www.mydomain.com ProxyRequests On ProxyVia On Order deny,allow Allow from all ProxyRequests Off ProxyPass / http://www.mydomain.fi:8080/ retry=1 acquire=3000 timeout=600 ProxyPassReverse / http://www.mydomain.fi:8080/ RewriteEngine On RewriteCond %{SERVER_NAME} !^www\.mydomain\.fi RewriteRule /(.*) http://www.mydomain.fi/$1 [redirect=301L] ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn Custom

Oct 02 19:31:04 2014] [error] [client xxx.xxx.xxx.xxx] (20014)Internal error: proxy: error reading status line from remote server zzz.zzz.zzz.zzz [Thu Oct 02 19:31:04 2014] [error] [client xxx.xxx.xxx.xxx] proxy: Error reading from remote server returned by /xxxx/wp-content/uploads/2010/01/tools-320x240.png 答え プロキシで別サーバーのコンテンツを表示させているときなどに、ぽろぽろとそのようなエラーが発生する場合は、以下の設定を追加するとよいかもしれません。 SetEnv proxy-initial-not-pooled 1 #プロキシ設定の前にでも proxy-initial-not-pooled この環境変数をセットすると、クライアントの最初の接続にはプールした 接続を使わなくなります。これは競合状態を原因とする "proxy: error reading status line from remote server" エラーメッセージを 回避します。競合状態は、プロキシがプールした接続をチェックした後、 プロキシの送ったデータがバックエンドに到達する前にバックエンドが接続を閉じると発生します。 この変数をセットすることでパフォーマンスが劣化することを知っておくべきです。 特に HTTP/1.0 のクライアントに影響します。 Tweet « opensslコマンドでサーバー証明書を検証する 【MySQL】 Binlog has bad magic number のエラーで起動しない » 関連するメモ コメント Name Mail(非公開) Website Comment Tags access algorithm canvas check command data debian eclipse excel facebook FastCGI firefox git HTTP Hyper-V ie IE10 IIS jQuery json kvm mail MySQL4から5 OpenVZ PCチューニング PDF pdflib php4 SQLite subversion ubuntu vnc wkhtmltopdf コード断片 ショートカットキー 正規表現 置くだけインストール 読み方 Categories apache bookmark css develop drupal eclipse google apps script hard

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