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Posted to dev@hc.apache.org by "Tomasz Zasada (Jira)" <ji...@apache.org> on 2025/01/20 15:34:00 UTC
[jira] [Updated] (HTTPCLIENT-2357) HttpClient is not releasing connections when a proxy returns status codes != 200
[ https://issues.apache.org/jira/browse/HTTPCLIENT-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tomasz Zasada updated HTTPCLIENT-2357:
--------------------------------------
Description:
HttpClient is not releasing connections when a proxy returns status codes != 200.
*How to reproduce:*
# Set up a proxy that will respond with e.g.: {{403 Forbidden}} status code.
It can simply be an HTTP server that responds with `{{{}HTTP/1.1 403 Forbidden{}}}`.
# Set up HttpClient v5 to use the proxy:
# ```
{{CloseableHttpClient client = HttpClients.custom()}}
{{.setProxy(HttpHost.create(PROXY_URL))}}
{{.build();}}
```
# Set DEBUG log level for {{org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager}} to see lease/release logs.
# Make requests to e.g.: `[https://atlassian.com|https://atlassian.com/]`:
```
{{clientV5.execute(new HttpPost("https://atlassian.com"), response -> response);}}
```
# Connections are not released, eventually making the client reach the total limit.
The faulty code was introduced in `{{{}215571a0bdb08849dcee315d456f4ecc93b89863{}}}` commit in {{org.apache.hc.client5.http.impl.classic.ConnectExec}} class.
was:
HttpClient is not releasing connections when a proxy returns status codes != 200.
*How to reproduce:*
# Set up a proxy that will respond with e.g.: {{403 Forbidden}} status code.
It can simply be an HTTP server that responds with `{{{}HTTP/1.1 403 Forbidden{}}}`.
# Set up HttpClient v5 to use the proxy:
# ```
{{CloseableHttpClient client = HttpClients.custom()}}
{{.setProxy(HttpHost.create(PROXY_URL))}}
{{.build();}}
```
# Set DEBUG log level for {{org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager}} to see lease/release logs.
# Make requests to e.g.: `[https://atlassian.com|https://atlassian.com/]`:
```
clientV5.execute(new HttpPost("https://atlassian.com"), response -> response);
```
# Connections are not released, eventually making the client reach the total limit.
The faulty code was introduced in `{{{}215571a0bdb08849dcee315d456f4ecc93b89863{}}}` commit in {{org.apache.hc.client5.http.impl.classic.ConnectExec}} class.
> HttpClient is not releasing connections when a proxy returns status codes != 200
> ---------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-2357
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2357
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (classic)
> Affects Versions: 5.4-beta1, 5.4, 5.4.1
> Reporter: Tomasz Zasada
> Priority: Major
>
> HttpClient is not releasing connections when a proxy returns status codes != 200.
> *How to reproduce:*
> # Set up a proxy that will respond with e.g.: {{403 Forbidden}} status code.
> It can simply be an HTTP server that responds with `{{{}HTTP/1.1 403 Forbidden{}}}`.
> # Set up HttpClient v5 to use the proxy:
> # ```
> {{CloseableHttpClient client = HttpClients.custom()}}
> {{.setProxy(HttpHost.create(PROXY_URL))}}
> {{.build();}}
> ```
> # Set DEBUG log level for {{org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager}} to see lease/release logs.
> # Make requests to e.g.: `[https://atlassian.com|https://atlassian.com/]`:
> ```
> {{clientV5.execute(new HttpPost("https://atlassian.com"), response -> response);}}
> ```
> # Connections are not released, eventually making the client reach the total limit.
>
> The faulty code was introduced in `{{{}215571a0bdb08849dcee315d456f4ecc93b89863{}}}` commit in {{org.apache.hc.client5.http.impl.classic.ConnectExec}} class.
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