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From Rene Gielen <>
Subject Re: [S2] Interceptor Question (Thread Safety)
Date Sun, 08 Jul 2007 10:59:59 GMT

there is no problem at all since s2 interceptor instances, as well as 
action instances, are created per ActionInvokation, which means they are 
always operated in a single thread.


Hoying, Ken schrieb:
> From what I understand from reading the documentation, interceptors are
> suppose to be thread safe.  However, I have noticed that some of the
> interceptors do  contain instance variables and I have seen some
> examples where these variables are set or modified from with in the
> action configurations.  
> For example, the File Upload interceptor allows you to set the
> maximumSize and allowedTypes.  Is this going to work if I have 2
> different actions each allowing different maximumSize and allowedTypes?
> This does not seem thread safe to me.  Is there only one instance of the
> interceptors or does maybe each action mapping have its own instance of
> the interceptors?
> Thanks in advance,
> Ken
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Rene Gielen  |
Aachen       | PGP-ID: BECB785A
Germany      | gielen at

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