hye everybody in a apache 2.2.4 using proxyreverse there is every second a error line in the error_log [Wed Feb 28 15:59:42 2007] [error] proxy: ap_get_scoreboard_lb(130) failed in child 28303 for worker proxy:reverse
Please post your proxy configuration here. Did you do a graceful restart before these messages appeared? Do the messages disappear after a hard stop and start?
(In reply to comment #1) > Please post your proxy configuration here. Did you do a graceful restart before > these messages appeared? Do the messages disappear after a hard stop and start? Apparently, this messages appears every new child launched by Apache but not appear on startup or graceful command. it's appear on use, and start or stop has no effect on this bug......the message returns when the proxypass is used... but it doesn't impact on functionality the proxy conf <IfModule mod_proxy.c> ProxyRequests Off ProxyPass /test/ http://xx.xx.xx.xx/work/ ProxyPassReverse /test/ http://xx.xx.xx.xx/work/ ...... ProxyVia On </IfModule> load modules in http.conf : libphp.so mod_security.so libxml2.so Compiled in modules: core.c mod_authn_file.c mod_authn_default.c mod_authz_host.c mod_authz_groupfile.c mod_authz_user.c mod_authz_default.c mod_auth_basic.c mod_include.c mod_filter.c mod_log_config.c mod_env.c mod_unique_id.c mod_setenvif.c mod_proxy.c mod_proxy_connect.c mod_proxy_ftp.c mod_proxy_http.c mod_proxy_ajp.c mod_proxy_balancer.c mod_ssl.c prefork.c http_core.c mod_mime.c mod_status.c mod_autoindex.c mod_asis.c mod_cgi.c mod_negotiation.c mod_dir.c mod_actions.c mod_userdir.c mod_alias.c mod_rewrite.c mod_so.c thanks for your reply
Still strange. I am a little bit astonished by the number 130 in the error message. Please let me know how many distinct ProxyPass directives you have in your whole configuration (including all virtual hosts). Please let me also know if you have configured balancers somewhere in your configuration and all <Proxy > sections.
I also see these errors in apache 2.2.6 on FreeBSD 6.2-RELEASE-p4 #0. Mon Jan 07 08:59:36 2008] [error] proxy: ap_get_scoreboard_lb(325) failed in child 49900 for worker proxy:reverse We setup a reverse proxy for every virtual host for backend searches using a google mini. Each Virtual Host has two ProxyPass config lines. A grep of our VH configs shows about 1000 ProxyPass config lines. These are split out between three different HTTP servers. I can confirm that this appears to happen once for each new httpd process.
Do you have any third party modules installed in your configuration? It seems that the child_init hook is called multiple times for the same child. Which MPM are you using?
Hi Exactly the same problem here. But it doesn't seem to be related (at least not in this case) to the way apache is restarted/reloaded. After a short code-review .. I would say that the problem has something to do with thread-based apache configuration. It looks like each new httpd.worker child (up to the ServerLimit) is keeping it's own set of proxy workers, which, except the first set, are not counted in when scoreboard is preinitialized. Can someone please look into the mod_proxy scoreboard problem? Regards, Anna
CC myself on FreeBSD related bugs
Is it possible this bug has a significant performance impact? (maybe caused by an fsync() after every log entry) I experience tremendous load spikes on a server with numerous reverse proxies. I've got close to 600 ProxyPass statements in my apache config. The disk of the server is not very fast for writes. It's a virtual box connected to an iSCSI server which isn't too fast at the moment.
I also experience these error messages on one of my servers. The curious thing is, though, that mod_proxy isn't used at all on these servers, e.g., there is no VirtualHost section with a Proxy* directive. Seen with Apache 2.2.3 on RHEL 5.6.
hi, we have the same problem with openbsd 5.7 and apache 2.2.29, a line on error log for every proxy pass, every second
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