Hi! I checked your httpd config and you are using mod_weblogic, not mod_proxy, so the ProxyErrorOverride option will not be effective :)
Luca 2017-04-20 3:18 GMT+02:00 Velmurugan Dhakshnamoorthy <dvel....@gmail.com>: > Hi, > Any help to identify and correct what is the issue in my setting to > re-write the 500 error by Apache Proxy 2.4.25 > > Regards, > Vel > ---------- Forwarded message ---------- > From: "Velmurugan Dhakshnamoorthy" <dvel....@gmail.com> > Date: Apr 18, 2017 16:03 > Subject: Re: [users@httpd] Reg: Custom error message at Apache 2.4.25 > To: <users@httpd.apache.org> > Cc: > > Hi Luca, >> Is it possible to pinpoint what is the wrong in my setting. I am still >> unable to display the custom error message. >> >> *The actual message from weblogic 12c in browser* >> >> Error 500--Internal Server Error >> From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1: >> 10.5.1 500 Internal Server Error >> The server encountered an unexpected condition which prevented it from >> fulfilling the request. >> >> *Apache Proxy 2.4.25 setting in httpd.conf* >> >> *Configuration to forward request from Apache to Weblogic 12c* >> <VirtualHost *:8060> >> <Location /> >> SetHandler weblogic-handler >> WebLogicHost hawley760 >> WebLogicPort 8062 >> Debug ON >> WLLogFile /opt/app/bea/apache2.4/httpd-2.4.25/logs/RPS-8060.log >> </Location> >> </VirtualHost> >> >> *config related to error document in httpd.conf* >> >> DocumentRoot "/opt/app/bea/apache2.4/httpd-2.4.25/htdocs" >> ProxyPreserveHost On >> ProxyPass /error ! >> ProxyErrorOverride On >> Alias /error /opt/app/bea/apache2.4/httpd-2.4.25/htdocs >> ErrorDocument 500 /error/500.html >> >> I tried to setup this in virtual host as well, but cannot re-write the >> default 500 error message. I am also attaching my httpd.conf file. >> >> Appreciate if you can tell me what I am doing wrong, it would be much >> appreciated. >> >> Regards, >> Vel >> >> >> >> >> >> >> Regards, >> Velmurugan Dhakshnamoorthy (Vel) >> Singapore. >> >> On Tue, Apr 18, 2017 at 6:56 AM, Velmurugan Dhakshnamoorthy < >> dvel....@gmail.com> wrote: >> >>> Thanks again for your valuable inputs, I am actually restricting number >>> of HTTP sessions at weblogic layer, beyond the specified limit, weblogic >>> throws 500 error message, which is not very useful to users, I want only >>> the 500 error page to be re-written by Apache proxy with simple message >>> (ex: server is busy, login after sometime), I want only 500 generic error >>> message to re-write, I don't want to re-write any other content from >>> back-end server. >>> >>> Regards, >>> Vel >>> >>> On Apr 18, 2017 00:19, "Luca Toscano" <toscano.l...@gmail.com> wrote: >>> >>>> Hi! >>>> >>>> As Nick mentioned there are a couple of options: >>>> >>>> 1) https://httpd.apache.org/docs/2.4/mod/mod_substitute.html or >>>> https://httpd.apache.org/docs/current/mod/mod_proxy_html.html in case >>>> you want to replace some parts of the response coming from the backend with >>>> your content. >>>> >>>> 2) Write your own content output filter to modify the backend response >>>> as you wish before flushing it out to the client. I'd suggest to follow >>>> https://httpd.apache.org/docs/2.4/mod/mod_lua.html#modifying_buckets >>>> if you want to attempt this road since using Lua instead of C is generally >>>> easier for people not used to write Apache code. >>>> >>>> My personal suggestion is to not use any of the above but to re-think >>>> about why you want to force the proxy to do this work. A proxy should be as >>>> lightweight as possible and ideally should mask backend failures with >>>> pre-defined error pages. >>>> >>>> Hope that helps! >>>> >>>> Luca >>>> >>>> 2017-04-17 9:57 GMT+02:00 Velmurugan Dhakshnamoorthy < >>>> dvel....@gmail.com>: >>>> >>>>> Hi Nick, >>>>> yes exactly, I want the error message produced by back-end weblogic >>>>> server to be re-written by Apache proxy and then display custom message to >>>>> user. >>>>> >>>>> Regards, >>>>> Vel >>>>> >>>>> >>>>> On Apr 17, 2017 15:34, "Nick Kew" <n...@apache.org> wrote: >>>>> >>>>> On Mon, 2017-04-17 at 09:04 +0800, Velmurugan Dhakshnamoorthy wrote: >>>>> >>>>> > >>>>> > Thanks Luca, I tried setting proxyerroroverride and error >>>>> > document in virtual host, however, the 500 error produced >>>>> by >>>>> > content server is displayed as it is via Apache proxy. Any >>>>> > further help? >>>>> >>>>> Are you saying you want an error message coming from the backend >>>>> but modified by the proxy? That would imply using a content filter >>>>> (such as mod_proxy_html, mod_sed, or mod_substitute) to rewrite >>>>> the response from the backend. >>>>> >>>>> -- >>>>> Nick Kew >>>>> >>>>> >>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org >>>>> For additional commands, e-mail: users-h...@httpd.apache.org >>>>> >>>>> >>>>> >>>> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > For additional commands, e-mail: users-h...@httpd.apache.org >
