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https://issues.apache.org/jira/browse/HTTPCLIENT-647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12489675
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Oleg Kalnichevski commented on HTTPCLIENT-647:
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> Although it doesn't httpclient's fault, I think it's still good to recover
> from those illegal conditions using closeIfStale(). How do you feel about it?
Satoshi,
The stale connection check is _very_ expensive in terms of performance (up to
30ms per request) and I do not feel like adding workarounds to the stock
version of HttpClient for all sorts of broken proxies out there. HttpClient 4.0
should provide a means to override the default HTTP response interceptors and
to inject custom processing logic intended to deal with various protocol
violations on a case by case basis.
Oleg
> https connection over proxy with auth fails
> -------------------------------------------
>
> Key: HTTPCLIENT-647
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-647
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 3.0.1, 3.1 RC1
> Environment: java version "1.6.0_01"
> Java(TM) SE Runtime Environment (build 1.6.0_01-b06)
> Java HotSpot(TM) Client VM (build 1.6.0_01-b06, mixed mode, sharing)
> Reporter: Satoshi Nakamura
> Attachments: commons-httpclient.log
>
>
> When I try to connect to a https server using a proxy which requires
> authentication, httpclient fails. It is because the proxy server close the
> connection after sending 407 response and httpclient doesn't reopen a
> connection. The proxy server which I confirm that this issue occurs is
> delegate 9.5.6.
> Here is a patch to fix this issue.
> diff -u -r
> commons-httpclient-3.0.1/src/java/org/apache/commons/httpclient/HttpMethodDirector.java
>
> commons-httpclient-3.0.1.new/src/java/org/apache/commons/httpclient/HttpMethodDirector.java
> ---
> commons-httpclient-3.0.1/src/java/org/apache/commons/httpclient/HttpMethodDirector.java
> 2006-05-07 10:22:22.000000000 +0900
> +++
> commons-httpclient-3.0.1.new/src/java/org/apache/commons/httpclient/HttpMethodDirector.java
> 2007-04-17 20:06:11.453125000 +0900
> @@ -477,6 +477,9 @@
>
> int code;
> for (;;) {
> + if (this.conn.getParams().isStaleCheckingEnabled()) {
> + this.conn.closeIfStale();
> + }
> if (!this.conn.isOpen()) {
> this.conn.open();
> }
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