Please open an issue in Bugzilla. Sebastian schrieb: > Hello, > > I'm in the process of integrating Tomcat with Apache httpd using the > mod_jk Tomcat Connector. The just released mod_jk 1.2.27 seems to > provide a solution for one of my open issues: the ability to use > httpd's ErrorDocument instead of Tomcat's default error pages or > <error-page> definitions from my webapp. > > To use the new extension "use_server_errors" I switched from JkMount > statements in httpd.conf to JkMountFile and uriworkermap.properties > but I can't get it to work. > > Here is what I tried so far on my way to this message: > - no <error-page> in web.xml = Tomcats default 404 page > - <error-page> in web.xml using an empty file in my webapp as location > = Empty page > - experiment with fail_on_status extension, which does work. If i set > this extension to -404 (see commented line in uriworkermap.properties > below) i get httpd's 503 ErrorDocument. > > I had to compile mod_jk from source and so I took a peek at the source > and added some debug logging in jk_ajp_common.c/ajp_process_callback() > and jk_uri_worker_map.c/uri_worker_map_add() to dig a little deeper. > > Note: I'm far from grasping the whole mod_jk and so the following > analysis might be completely off, but maybe I'm on the right track and > we can progress from here. > > The logging seems to confirm that my configuration is processed > correctly but I found two issues and stopped there: > 1. In ajp_process_callback() the value of > r->extension.use_server_error_pages is 0 and not 404 as i expected. > The response from Tomcat is therefore not blocked here and send to the > client. > 2. If I hard code r->extension.use_server_error_pages = 404 in > ajp_process_callback() the response is blocked but apperently httpd > does not pick up and send it's ErrorDocument so the client waits with > a blank window (and seems to get a http status code 200). > > I hope somebody already tried the new extension and can help me with > this problem. > Thanks, > Sebastian > > > Excerpts from my config files and version information follow below. > > httpd.conf: > =========== > LoadModule jk_module libexec/mod_jk.so.1.2.27 > JkShmFile /path/to/httpd/logs/mod_jk.shm > JkWorkersFile /path/to/httpd/conf/workers.properties > > <VirtualHost host.example.com:9009> > ServerName example.com > > ErrorDocument 404 /errors/notfound.shtml > ErrorDocument 401 /errors/unauthorized.shtml > ErrorDocument 403 /errors/forbidden.shtml > ErrorDocument 500 /errors/servererror.shtml > ErrorDocument 503 /errors/servererror.shtml > > RewriteEngine on > RewriteLog "logs/rewrite.log" > RewriteLogLevel 9 > > JkLogFile /path/to/httpd/logs/mod_jk.log > JkLogLevel debug > JkMountFile /path/to/httpd/conf/uriworkermap.properties > JkMountFileReload 0 > </VirtualHost> > > uriworkermap.properties: > ======================== > # Map /appname and everything below /appname/ to worker1 > # all status codes >= 400 shall use ErrorDocument > /appname*=worker1;use_server_errors=400 > > # experiment (works as I expected): > # 404 from tomcat results in ErrorDocument 503 > #/appname*=worker1;use_server_errors=400;fail_on_status=-404 > > Version information: > ==================== > - Tomcat: 6.0.18 > - mod_jk: 1.2.27 (compiled from source, only configure option was > --with-apxs=/path/to/apxs) > - httpd: 1.3.34 > - JDK: 1.6.0_07 > - OS: Linux Debian 4.0 "Etch" Stable
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