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302/301 and 404 redirect issue for apache redirection for tomcat



I'm using Apache HTTPD in front of Apache Tomcat with the following virtual host:




$ cat /etc/apache2/sites-enabled/onlinetaskboarddotcom 

    ServerAdmin comented@out.com
    ServerName www.onlinetaskboard.com
    ServerAlias onlinetaskboard.com
    DocumentRoot /home/ubuntu/www/apache/onlinetaskboarddotcom

    ProxyPass / http://www.onlinetaskboard.com:8080/
    ProxyPassReverse /  http://www.onlinetaskboard.com:8080/


    
        Options FollowSymLinks
        AllowOverride None
    

    
        Options Indexes FollowSymLinks MultiViews
        AllowOverride None
        Order allow,deny

        allow from all
    

    ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/

    
        AllowOverride None
        Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
        Order allow,deny
        Allow from all

    

    ErrorLog ${APACHE_LOG_DIR}/error.log
    # Possible values include: debug, info, notice, warn, error, crit,
    # alert, emerg.
    LogLevel warn
    CustomLog ${APACHE_LOG_DIR}/access.log combined




The URLs without www subdomain like onlinetaskboard.com/login and onlinetaskboard.com/someOtherValidPage work fine, however once I include the www subdomain like www.onlinetaskboard.com, then I get a 404 error in some browsers like Chrome.



Here are the request/response headers which I observed in Chrome.



With www subdomain:




Request:
        Request URL:http://www.onlinetaskboard.com/
        Request Method:GET

        Status Code:404 Not Found
Request headers:
        Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
        Accept-Encoding:gzip,deflate,sdch
        Accept-Language:en-US,en;q=0.8
        Connection:keep-alive
        Cookie:JSESSIONID=DE44F60835D23E6AB3CC2A2E8B9D6279
        Host:www.onlinetaskboard.com
        User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/28.0.1500.71 Chrome/28.0.1500.71 Safari/537.36
Response headers:

        Connection:Keep-Alive
        Content-Encoding:gzip
        Content-Length:377
        Content-Type:text/html;charset=ISO-8859-1
        Date:Thu, 14 Nov 2013 23:39:24 GMT
        Keep-Alive:timeout=5, max=99
        Server:Apache-Coyote/1.1
        Vary:Accept-Encoding
        X-Pad:avoid browser bug



And without the www subdomain:




Request:    
        Request URL:http://onlinetaskboard.com/
        Request Method:GET
        Status Code:302 Found
Request Headers:
        Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

        Accept-Encoding:gzip,deflate,sdch
        Accept-Language:en-US,en;q=0.8
        Cache-Control:max-age=0
        Connection:keep-alive
        Cookie:JSESSIONID=36D1DED5A3F7B5E185FE5D5EDD4457FC
        Host:onlinetaskboard.com
        User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/28.0.1500.71 Chrome/28.0.1500.71 Safari/537.36
Response headers:
        Connection:Keep-Alive
        Content-Length:0

        Date:Fri, 15 Nov 2013 00:04:33 GMT
        Keep-Alive:timeout=5, max=100
        Location:http://onlinetaskboard.com/login
        Server:Apache-Coyote/1.1


How is this caused and how can I solve it?


Answer



Is there something validating the URL on the other side? What happens if you just go to ip.address:8080 do you get a 404? I am just wondering if it is something tomcat could be doing.




Also, if you add



"ProxyPreserveHost On"



this will keep the request header so you can pass it to tomcat.



Also, why do you have all of this? cgi-bin and such:




Options FollowSymLinks

AllowOverride None




    Options Indexes FollowSymLinks MultiViews
    AllowOverride None
    Order allow,deny
    allow from all



ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/


    AllowOverride None
    Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
    Order allow,deny
    Allow from all


ErrorLog ${APACHE_LOG_DIR}/error.log

# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel warn
CustomLog ${APACHE_LOG_DIR}/access.log combined

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