On 04.09.2009 16:01, Dennis Christopher wrote: > Rainer, > > Apparently apache is calling /server-status - I see that mod_status is
No, apache itself isn't calling anything. > enabled in httpd.conf and exercises that context. > > One of the frustrations, and I dont know Apache well, is that the access > log seldom updates. > The error log in the same folder does update, but contains little > information--apache restarts is about it. > > I don't know if this helps, but I just tried to access the sample web > app from the server machine's own browser > > httpd://localhost/sample > > and I get "Bad Gateway! The proxy server received an invalid response > from an upstream server > Error 502 > locahost So that indicates, that Apache is answering via mod_jk (or mod_proxy). You should try the correct URL http://localhost/sample/ though. > and this does update the access log. So you have a problem reaching your web server from outside. Firewall, DNS, routing or similar stuff. > Dennis Christopher > On Sep 4, 2009, at 12:49 AM, Rainer Jung wrote: > >> On 03.09.2009 20:24, Dennis Christopher wrote: >>> Rainer, >>> >>> Trying your /sample/ I get the same result. >>> >>> The log appears to respond to that try but the lines are similar to >>> those I originally posted from mod_jk.log. >>> >>> It's as though every context request is translated into >>> '/server-status'. >> >> Not very likely. Are those entries also appearing in times you are not >> testing? If so those are someone else, and your own request isn't >> handled by the Apache you are looking at. Can you find your request in >> the access log? >> >> Go through all config files and find out, what is configured about >> /server-status. That URL doesn't have anything to do with mod_jk. >> >> Regards, >> >> Rainer >> >>> the bracketed numbers are: >>> >>> [221:268597152] [debug] attempting to map URI '/server-status' from 5 >>> maps. >>> . >>> . >>> [221:268597152] [debug] attempting to map context URI >>> '/sample/*.=JBOSS1*' source JKMount >>> . >>> . >>> >>> all the entries are marked [debug]. >>> >>> 221 is process httpd with user _www. >>> >>> Dennis >>> >>> On Sep 3, 2009, at 1:26 PM, Rainer Jung wrote: >>> >>>> On 03.09.2009 19:15, Dennis Christopher wrote: >>>>> The problem is that I am trying to support simple references to my >>>>> context without the tomcat port explicitly included. >>>>> >>>>> example: myexample.com/sample should invoke the web-app sample. >>>> >>>> You don't have a JkMount for /sample, only one for /sample/*. >>>> What happens, if you point your browser to >>>> >>>> http://my.apache.name/sample/ >>>> >>>> If it doesn't work, extract the lines from your mod_jk log, that refer >>>> to this request. Look for something like >>>> >>>> ... [A_NUMBER:ANOTHER_NUMBER] ... Attempting to map URI '/sample/' >>>> from ... >>>> >>>> Then note A_NUMBER:ANOTHER_NUMBER which are the process and thread id >>>> used for the request, and get all lines form the log, which have a >>>> timestamp close to your request and use the same IDs. >>>> >>>> Check whether there are any non-debug lines in there. If you can't see >>>> what goes wrong, post those lines. >>>> >>>> Regards, >>>> >>>> Rainer >>>> >>>>> what happens instead: the browser tells me: "file not found". >>>>> >>>>> looking at catalina.out it seems the request doesnt reach Tomcat at >>>>> all. >>>>> >>>>> How I did it: he quick start guide at >>>>> >>>>> http://tomcat.apache.org/connectors-doc/generic_howto/quick.html >>>>> >>>>> gives a simple proof of concept for a context setup (/examples"). >>>>> >>>>> which I have followed implicitly. I believe you have already seen >>>>> what I >>>>> have done with the config files I posted. >>>>> >>>>> Dennis >>>>> >>>>> P.S as it may be important - if I try example.com:8080/sample the main >>>>> page of my web app loads but all of its subreferences, to gif images >>>>> etc, are broken. >>>>> >>>>> >>>>> On Sep 3, 2009, at 12:48 PM, Rainer Jung wrote: >>>>> >>>>>> On 03.09.2009 15:34, Dennis Christopher wrote: >>>>>>> Rainer, >>>>>>> >>>>>>> I am not sending /server-status explicitly. >>>>>>> >>>>>>> The mod_jk log which I excerpted earlier shows the processing of >>>>>>> server-status before any context is asked for, apparently when >>>>>>> Tomcat >>>>>>> starts up. >>>>>>> >>>>>>> The log continues to repeat these entries - apparently mod_jk is >>>>>>> looping >>>>>>> trying to satisfy this context and never does. >>>>>> >>>>>> No I'm pretty sure this is not the case. I expect someone has a >>>>>> monitoring tool running or a browser windows with auto-refresh for >>>>>> /server-status and that's what produces those debug log lines in >>>>>> mod_jk. >>>>>> No problem per se. >>>>>> >>>>>> So back to the basic question: what is your problem? What are you >>>>>> trying >>>>>> to achieve, what did you do to make it work, how do you test it, what >>>>>> result do you expect and what happens instead? >>>>>> >>>>>> Regards, >>>>>> >>>>>> Rainer >>>>>> >>>>>>> I added JkMountCopy All but this had no effect. >>>>>>> >>>>>>> Dennis >>>>>>> On Sep 3, 2009, at 4:18 AM, Rainer Jung wrote: >>>>>>> >>>>>>>> On 02.09.2009 21:45, Dennis Christopher wrote: >>>>>>>>> Rainer, >>>>>>>>> >>>>>>>>> Thanks for the reply. I was confused in my orginal post: I am not >>>>>>>>> using >>>>>>>>> JBoss at all, only mod_jk. >>>>>>>>> >>>>>>>>> The file contents are as follows below. >>>>>>>>> >>>>>>>>> Apache has a hosts directory, but I'm not sure if the files >>>>>>>>> matter. >>>>>>>>> They >>>>>>>>> are either the apache .default files or slight modifications of >>>>>>>>> them, >>>>>>>>> e.g. virtual_host_global.conf contains just: >>>>>>>>> >>>>>>>>> Listen *:80 >>>>>>>> >>>>>>>> I don't understand, why you test this with a request >>>>>>>> /server-status. >>>>>>>> That doesn't make sense, because you don't want /server-status >>>>>>>> to be >>>>>>>> forwarded by mod_jk and in fact you didn't configure it. >>>>>>>> >>>>>>>> So choose a better URL to test (one of the URLs you have a JkMount >>>>>>>> for) >>>>>>>> and add "JkMountCopy All". >>>>>>>> >>>>>>>> Regards, >>>>>>>> >>>>>>>> Rainer >>>>>>>> >>>>>>>>> 1. uriworkermap.properties -- not used >>>>>>>>> >>>>>>>>> 2. from apache2/httpd.conf: >>>>>>>>> >>>>>>>>> LoadModule jk_module libexec/apache2/mod_jk.so >>>>>>>>> . >>>>>>>>> . >>>>>>>>> <IfModule mod_jk.c> >>>>>>>>> JKWorkersFile /etc/apache2/workers.properties >>>>>>>>> JKLogFile /var/log/apache2/mod_jk.log >>>>>>>>> JKLogLevel debug >>>>>>>>> JKShmFile /var/log/apache2/mod_jk.shm >>>>>>>>> JKMount /*.jsp JBoss1 >>>>>>>>> JKMount /servlet/* JBoss1 >>>>>>>>> JKMount /examples/* JBoss1 >>>>>>>>> JKMount /picturetalk/* JBoss1 >>>>>>>>> JKMount /sample/* JBoss1 >>>>>>>>> </IfModule> >>>>>>>>> . >>>>>>>>> . >>>>>>>>> >>>>>>>>> 3. from apache2/workers.properties: >>>>>>>>> >>>>>>>>> worker.list=JBoss1, JBoss2, loadbalancer, blojsomworker >>>>>>>>> >>>>>>>>> # ------------------------ >>>>>>>>> # First JBoss server >>>>>>>>> # ------------------------ >>>>>>>>> worker.JBoss1.port=8009 >>>>>>>>> worker.JBoss1.host=127.0.0.1 >>>>>>>>> worker.JBoss1.type=ajp13 >>>>>>>>> >>>>>>>>> # Specify the size of the open connection cache. >>>>>>>>> #worker.JBoss1.cachesize >>>>>>>>> >>>>>>>>> # >>>>>>>>> # Specifies the load balance factor when used with >>>>>>>>> # a load balancing worker. >>>>>>>>> # Note: >>>>>>>>> # ----> lbfactor must be > 0 >>>>>>>>> # ----> Low lbfactor means less work done by the worker. >>>>>>>>> worker.JBoss1.lbfactor=100 >>>>>>>>> >>>>>>>>> >>>>>>>>> # ------------------------ >>>>>>>>> # Second JBoss server >>>>>>>>> # ------------------------ >>>>>>>>> #worker.JBoss2.port=9008 >>>>>>>>> #worker.JBoss2.host=localhost >>>>>>>>> worker.JBoss2.lbfactor=100 >>>>>>>>> >>>>>>>>> >>>>>>>>> # ------------------------ >>>>>>>>> # Load Balancer worker >>>>>>>>> # ------------------------ >>>>>>>>> >>>>>>>>> # >>>>>>>>> # The loadbalancer (type lb) worker performs weighted round-robin >>>>>>>>> # load balancing with sticky sessions. >>>>>>>>> # Note: >>>>>>>>> # ----> If a worker dies, the load balancer will check its state >>>>>>>>> # once in a while. Until then all work is redirected to >>>>>>>>> peer >>>>>>>>> # worker. >>>>>>>>> worker.loadbalancer.type=lb >>>>>>>>> worker.loadbalancer.balanced_workers=JBoss1, JBoss2 >>>>>>>>> >>>>>>>>> # ------------------------ >>>>>>>>> # Blojsom worker >>>>>>>>> # ------------------------ >>>>>>>>> # >>>>>>>>> # Worker created specifically for Blojsom. >>>>>>>>> worker.blojsomworker.port=1279 >>>>>>>>> worker.blojsomworker.host=127.0.0.1 >>>>>>>>> worker.blojsomworker.type=ajp13 >>>>>>>>> worker.blojsomworker.lbfactor=100 >>>>>>>>> >>>>>>>>> >>>>>>>>> # END workers.properties >>>>>>>>> # >>>>>>>>> >>>>>>>>> On Sep 2, 2009, at 2:05 PM, Rainer Jung wrote: >>>>>>>>> >>>>>>>>>> On 27.08.2009 15:45, Dennis Christopher wrote: >>>>>>>>>>> environment: Tomcat 6.0.18 under apache2 on Mac OS X Server 10.5 >>>>>>>>>>> (Leopard). >>>>>>>>>>> >>>>>>>>>>> I am using a mod_jk connector with JBoss. >>>>>>>>>>> >>>>>>>>>>> I am having trouble getting context urls of the form >>>>>>>>>>> website.my.com/myapplication honoured (or even >>>>>>>>>>> localhost/myapplication). >>>>>>>>>>> (Safari:File not found).I have googled the error messages >>>>>>>>>>> below but >>>>>>>>>>> can't find anything applicable to my setup. >>>>>>>>>>> >>>>>>>>>>> The quick start guide at >>>>>>>>>>> >>>>>>>>>>> http://tomcat.apache.org/connectors-doc/generic_howto/quick.html >>>>>>>>>>> >>>>>>>>>>> gives a simple proof of concept for a connector setup >>>>>>>>>>> (/examples"). >>>>>>>>>>> However, this does not work, >>>>>>>>>>> though I have followed the editing of the configuration files >>>>>>>>>>> exactly >>>>>>>>>>> (using JKMount in the httpd.conf etc) >>>>>>>>>>> >>>>>>>>>>> I get an error in mod_jk.log (set to debug level): >>>>>>>>>>> >>>>>>>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug] >>>>>>>>>>> map_uri_to_worker_ext::jk_uri_worker_map.c (1036): (TEST) >>>>>>>>>>> Attempting to >>>>>>>>>>> map URI '/server-status' from 5 maps >>>>>>>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug] >>>>>>>>>>> map_uri_to_worker_ext::jk_uri_worker_map.c (1039): Initial match >>>>>>>>>>> value:for URI '/server-status' is -1. >>>>>>>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug] >>>>>>>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map >>>>>>>>>>> context URI >>>>>>>>>>> '/examples/*=JBoss1' source 'JkMount' >>>>>>>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug] >>>>>>>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map >>>>>>>>>>> context URI >>>>>>>>>>> '/servlet/*=JBoss1' source 'JkMount' >>>>>>>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug] >>>>>>>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map >>>>>>>>>>> context URI >>>>>>>>>>> '/sample/*=JBoss1' source 'JkMount' >>>>>>>>>>> [Tue Aug 25 12:41:11.784 2009] [211:2688784416] [debug] >>>>>>>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map >>>>>>>>>>> context URI >>>>>>>>>>> '/*.jsp=JBoss1' source 'JkMount' >>>>>>>>>>> [Tue Aug 25 12:41:11.784 2009] [211:2688784416] [debug] >>>>>>>>>>> map_uri_to_worker_ext::jk_uri_worker_map.c (1047): Match >>>>>>>>>>> value:for URI >>>>>>>>>>> '/server-status' is -1. >>>>>>>>>>> [Tue Aug 25 12:41:11.784 2009] [211:2688784416] [debug] >>>>>>>>>>> jk_translate::mod_jk.c (3536): no match for /server-status found >>>>>>>>>>> >>>>>>>>>>> Any help on how to diagnose what the seeming error is >>>>>>>>>>> pointing to >>>>>>>>>>> would >>>>>>>>>>> be much appreciated. >>>>>>>>>> >>>>>>>>>> This log snippet is not useful, because the request you used was >>>>>>>>>> for >>>>>>>>>> /server-status, which is most likely not a request you want >>>>>>>>>> mod_jk to >>>>>>>>>> send to JBoss. >>>>>>>>>> >>>>>>>>>> Please post all your JK directives from your httpd.conf and the >>>>>>>>>> files >>>>>>>>>> included in that. Also post your workers.properties, and if you >>>>>>>>>> use it >>>>>>>>>> the uriworkermap.properties file. >>>>>>>>>> >>>>>>>>>> The most common cause why simple setups do not work is the use of >>>>>>>>>> virtual hosts in the Apache configuration. If you have virtual >>>>>>>>>> hosts, >>>>>>>>>> you have to put JkMount into the virtual hosts, or you set >>>>>>>>>> "JkMountCopy >>>>>>>>>> All" in the global part of the configuration. >>>>>>>>>> >>>>>>>>>> Regards, >>>>>>>>>> >>>>>>>>>> Rainer --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
