Dear Christopher,
Thank you for your reply.
Our circumstances are so old, sorry. I want to renew them, but it seems to
be difficult for these errors for now.
> This might not be the best list to ask about mod_proxy_http, but there
> are some people who probably have good experience with it here.
Thank for guiding to the mailing list and I'll post about my situation.
2016-03-11 10:49 GMT+09:00 Christopher Schultz <ch...@christopherschultz.net
>:
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> Kenchi,
>
> On 3/10/16 8:25 PM, Kenichi MASUDA wrote:
> > Thank you for your reply and I'm sorry for less information.
> >
> >> how are you connecting httpd -> Tomcat?
> >>
> > A client sends a request to httpd which listens as 80, after that
> > httpd throw it like this to the tomcat which exists in backend and
> > serves as 8080 port with the rewrite rule.
> >
> > RewriteCond %{REQUEST_URI}
> > !\.(png|jpe?g|gif|css|js|xml|json|jsonp|ico|html?|swf|txt)$
> > RewriteRule ^/(.*)$ http://localhost:8080/core/$1 [P,L]
>
> So you are using mod_proxy_http.
>
> > The error is: httpd log say that "proxy: Error reading from remote
> > server returned by"
> >
> > and
> >
> > a client say that "502 proxy error. The proxy server received an
> > invalid response from an upstream server. The proxy server could
> > not handle the request POST /foo/bar"
> >
> > After having checked that error occurred, I've downgraded the
> > tomcat version to 7.0.39 (the version which I used to use), so that
> > the error disappeared.
>
> That is a very old Tomcat version indeed (more than 3 years old). You
> would be better upgrading to latest Tomcat 7.0.68 and figuring out
> what's wrong with the proxy.
>
> This might not be the best list to ask about mod_proxy_http, but there
> are some people who probably have good experience with it here.
>
> The best place to ask about mod_proxy_http would be on the httpd
> user's list:
> http://httpd.apache.org/lists.html#http-users
>
> - -chris
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