Summary: When running JBoss 4.2 through an AJP/1.3 connector, JBoss 4.2 sends
meaningless redirects to HTTP/1.0 clients if they didn't include Host header.
Detailed explanation:
I'm running Debian Linux "etch" with Sun's JDK 1.6u11, Apache2.2 + mod_jk,
JBoss 4.2.3 (JDK 6 version). I've created a simple webapp directory in the
deploy folder named ROOT.war, and it includes a single file named index.jsp
with this contents:
<% response.sendRedirect("/test"); %>
After starting up JBoss, I make an HTTP/1.0 request for the URL /:
jbosstest:~# telnet localhost 80
| Trying 127.0.0.1...
| Connected to localhost.
| Escape character is '^]'.
| GET / HTTP/1.0
|
| HTTP/1.1 302 Moved Temporarily
| Date: Thu, 22 Jan 2009 17:04:53 GMT
| Server: Apache/2.2.3 (Debian) mod_jk/1.2.18
| X-Powered-By: Servlet 2.4; JBoss-4.2.3.GA (build: SVNTag=JBoss_4_2_3_GA
date=200807181439)/JBossWeb-2.0
| Set-Cookie: JSESSIONID=F4EF264027A06BC0A34849F7E2683BFE; Path=/
| Location: http://localhost:8009/test
| Content-Length: 0
| Connection: close
| Content-Type: text/html;charset=ISO-8859-1
|
| Connection closed by foreign host.
The response is (as expected) a redirect to /test, but the hostname (localhost)
and port (8009) are meaningless.
If I include the Host header in the request (this is not required for HTTP/1.0
requests) or make any HTTP/1.1 request (which will includes the Host header),
the server has the expected behavior and sends a redirect to the server itself
(in my case jbosstest.mydomain) on the correct port (80). Also, this is only an
issue when running through the AJP/1.3 connector, the HTTP/1.1 connector works
fine.
I've checked with other JBoss versions, and all versions from the 4.2 and 5
series has this behavior. The latest 4.0 version (4.0.5.GA) sends the correct
redirect in all cases, so this issue seems to have been introduced in the JBoss
4.2 series (which switched from Tomcat 5.5 to JBossWeb 2.0).
Does anyone know how to fix this? It seems this new behaviour is useless to
some or all HTTP/1.0 clients.
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http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4204242#4204242
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