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Posted to dev@hc.apache.org by bu...@apache.org on 2003/04/22 22:01:42 UTC
DO NOT REPLY [Bug 19230] New: -
httpClient failed to reconnect after keep-alive connection timed out
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=19230
httpClient failed to reconnect after keep-alive connection timed out
Summary: httpClient failed to reconnect after keep-alive
connection timed out
Product: Commons
Version: 2.0 Beta 2
Platform: PC
OS/Version: Other
Status: NEW
Severity: Critical
Priority: Other
Component: HttpClient
AssignedTo: commons-httpclient-dev@jakarta.apache.org
ReportedBy: bin.chen@sabre-holdings.com
Description:
When using httpClient with https tunnelling througha proxy server, after keep-
alive connection timed out on server side. The httpClient code was unable to
establish the connection again.
Cause:
The HttpMethodBase.processRequest's retry loop retries the connection without
going through the "CONNECT" request to the proxy server. Our proxy server
returns 407 error code. In case of tunnelling connection, proper reconnect
should be done by first doing the "CONNECT" sequence to get authenticated
throught the proxy.
Temp fix and Work around:
We implemented some work around to do the retry from the application layer. In
order to detect the situation, we have to rely on the error message contained
in the HttpRecoverableException. We are checking the text "Connection aborted
by peer: socket write error". We also have to modify the HttpMethodBase code
to throw the HttpRecoverableException out to the application.