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From "Ian Shaw" <ian.s...@strategicthought.com>
Subject [users@httpd] Reverse proxy/IIS keep alive issue
Date Thu, 19 Jul 2007 11:33:55 GMT
This error occurs intermittently in our .NET application.  It seems the
be down the keep alives on IIS and Apache on playing nicely with each
other.  When the keep alives are disabled in IIS and in Apache they go
away 99% but still reappear intermittently.  Do any of you have any
other suggestions?
---Error in Internet Explorer
Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET
/arm/Admin/AdminDlg.aspx </arm/Admin/AdminDlg.aspx> . 
Reason: Error reading from remote server

---Debug in apache error.log

[Thu Jul 19 11:53:33 2007] [debug] proxy_util.c(1378): [client
172.25.80.63] proxy: http: found worker http://crocodile/arm for
http://crocodile/arm/Admin/AdminDlg.aspx?dlgDepth=1
[Thu Jul 19 11:53:33 2007] [debug] mod_proxy.c(756): Running scheme http
handler (attempt 0)
[Thu Jul 19 11:53:33 2007] [debug] mod_proxy_http.c(1662): proxy: HTTP:
serving URL http://crocodile/arm/Admin/AdminDlg.aspx?dlgDepth=1
[Thu Jul 19 11:53:33 2007] [debug] proxy_util.c(1798): proxy: HTTP: has
acquired connection for (crocodile)
[Thu Jul 19 11:53:33 2007] [debug] proxy_util.c(1858): proxy: connecting
http://crocodile/arm/Admin/AdminDlg.aspx?dlgDepth=1 to crocodile:80
[Thu Jul 19 11:53:33 2007] [debug] proxy_util.c(1951): proxy: connected
/arm/Admin/AdminDlg.aspx?dlgDepth=1 to crocodile:80
[Thu Jul 19 11:53:33 2007] [debug] proxy_util.c(2141): proxy: HTTP:
connection complete to 172.25.80.63:80 (crocodile)
[Thu Jul 19 11:53:33 2007] [info] [client 172.25.80.63] (OS 10054)An
existing connection was forcibly closed by the remote host.  :
core_output_filter: writing data to the network
[Thu Jul 19 11:53:33 2007] [error] [client 172.25.80.63] proxy: error
reading status line from remote server crocodile
[Thu Jul 19 11:53:33 2007] [error] [client 172.25.80.63] proxy: Error
reading from remote server returned by /arm/Admin/AdminDlg.aspx
[Thu Jul 19 11:53:33 2007] [debug] proxy_util.c(1816): proxy: HTTP: has
released connection for (crocodile)

Thanks
Ian
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