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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HTTPCLIENT-1230) BasicClientConnectionManager is not thread safe, remove @ThreadSafe annotation
Date Sun, 09 Sep 2012 11:10:07 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Oleg Kalnichevski resolved HTTPCLIENT-1230.

       Resolution: Fixed
    Fix Version/s:     (was: 4.2.2)
                   4.3 Alpha1

It turned out the javadocs were fairly accurate. I made some minor changes to stress out the
fact that the connection manager should be used by one thread only even though it is fully
thread safe.

> BasicClientConnectionManager is not thread safe, remove @ThreadSafe annotation
> ------------------------------------------------------------------------------
>                 Key: HTTPCLIENT-1230
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1230
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 4.2 Final
>            Reporter: Chris Lott
>            Priority: Minor
>             Fix For: 4.3 Alpha1
> I would like to suggest removing the @ThreadSafe annotation on BasicClientConnectionManager.
 The javadoc clearly notes "it ought to be used by one execution thread only".  Seems like
a basic contradiction.
> Perhaps I am fundamentally not understanding the @ThreadSafe annotation.  I thought that
meant the class either has no static fields and/or creates all new objects and/or handles
all necessary synchronization so that any number of threads may share an instance. What does
it mean here, on a class that wraps a single connection for which access must be synchronized?
> Yes, after this problem bit us we switched to using PoolingClientConnectionManager. 

> Thanks for considering this issue.

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