Wagon are noted "per-lookup".
Have a look at DefaultWagonManager in core, this one always do a
container.lookup to get a new fresh wagon instance.
So normally plugins using WagonManager must not have any issues
(except reusing the same wagon instance)

2013/1/9 Kristian Rosenvold <[email protected]>:
> To illustrate the point I'm trying to make:
>
> org.apache.maven.wagon.shared.http4.AbstractHttpClientWagon line 240:
>
> protected ClientConnectionManager clientConnectionManager = new
> SingleClientConnManager();
>
> Now read the docs for SingleClientConnManager (annotated as @ThreadSafe!):
>
> "Even though this class is thread-safe it ought to be used by one
> execution thread only"
>
> This "ought to" means that it's probably unwise to handoff such an
> instance to a different thread down the line, which we do. So it does
> not support serial thread confinement. It makes me wonder about the
> @ThreadSafe annotation....
>
> Kristian
>
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-- 
Olivier Lamy
Talend: http://coders.talend.com
http://twitter.com/olamy | http://linkedin.com/in/olamy

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