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Posted to dev@tomcat.apache.org by bu...@apache.org on 2006/04/06 12:57:28 UTC
DO NOT REPLY [Bug 39221] New: - httpd / mod_jk / tomcat ErrorDocument 404 /servlet/xxx does not pass the missing document to tomcat
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Summary: httpd / mod_jk / tomcat ErrorDocument 404 /servlet/xxx
does not pass the missing document to tomcat
Product: Tomcat 5
Version: 5.5.16
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Native:JK
AssignedTo: tomcat-dev@jakarta.apache.org
ReportedBy: jtm@mostlyharmless.dk
I have setup Apache 2.0.55 with mod_jk 1.2.15 talking to a tomcat 5.5.16.
Everything works nice except one thing. I have the following httpd config entry:
ErrorDocument 404 /servlet/SnoopServlet
(i use a home made snoop servlet for easy testing)
When i request a document that apache can not find (/somefile) the servlet is
called as expected, but /somefile is not passed to tomcat, the only thing i can
get from the request object is that /servlet/SnoopServlet was called.
With resin i have a bit more luck, since mod_caucho sets the http header
REDIRECT_URL: /somefile
But i would rather use tomcat.
Would it not be correct to set javax.servlet.error.request_uri request attribute
to /somefile (or some other javax.servlet.* parameter, don't remember the spec.)
and if that is not possible then set some request header like resin does?
What i want to do it match /somefile against a 'redirect' database and if a
match is found then send a redirect, if not send an error page.
I'm not sure where the error is located, but my guess would be mod_jk, i have
tried with several combinations of mod_jk and tomcat versions.
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DO NOT REPLY [Bug 39221] - httpd / mod_jk / tomcat ErrorDocument 404 /servlet/xxx does not pass the missing document to tomcat
Posted by bu...@apache.org.
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mturk@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
------- Additional Comments From mturk@apache.org 2006-04-06 12:13 -------
mod_jk is a proxy to the backend server.
Trying to give some rewrite logic to it will never pass my +1.
Since you are using Apache Httpd you have a thing like mod_rewrite
and mod_headers.
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DO NOT REPLY [Bug 39221] - httpd / mod_jk / tomcat ErrorDocument 404 /servlet/xxx does not pass the missing document to tomcat
Posted by bu...@apache.org.
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rainer.jung@kippdata.de changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |WORKSFORME
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DO NOT REPLY [Bug 39221] - httpd / mod_jk / tomcat ErrorDocument 404 /servlet/xxx does not pass the missing document to tomcat
Posted by bu...@apache.org.
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rainer.jung@kippdata.de changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|WONTFIX |
------- Additional Comments From rainer.jung@kippdata.de 2008-01-05 10:18 -------
This functionality already exists. Apache 1.3/2.0/2.2 automatically set this
information as internal environment variables when an ErrorDocument gets called.
All httpd environment variables can be forwarded to the backend with JkEnvVar.
For the variables see
http://httpd.apache.org/docs/2.2/custom-error.html
http://httpd.apache.org/docs/2.0/custom-error.html
http://httpd.apache.org/docs/1.3/custom-error.html
especially REDIRECT_URL and REDIRECT_QUERY_STRING.
To forward those variables to a backend generated error page use
JkEnvVar REDIRECT_URL
JkEnvVar REDIRECT_QUERY_STRING
For JkEnvVar see also
http://tomcat.apache.org/connectors-doc/reference/apache.html
To retrieve the value on the backend you can use
request.getAttribute("REDIRECT_URL") etc.
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DO NOT REPLY [Bug 39221] - httpd / mod_jk / tomcat ErrorDocument 404 /servlet/xxx does not pass the missing document to tomcat
Posted by bu...@apache.org.
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------- Additional Comments From jtm@mostlyharmless.dk 2006-04-06 12:51 -------
I never proposed any rewrite logic, i only proposed to pass the original request
url/uri to tomcat, when invoked as an ErrorDocument.
Why should i have to obscufate my apache configuration to do some basic error
handling?
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