in environments without reliable timestamps (e.g. some clusters) resource 
caching is useless
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                 Key: WICKET-3846
                 URL: https://issues.apache.org/jira/browse/WICKET-3846
             Project: Wicket
          Issue Type: Bug
          Components: wicket-core
    Affects Versions: 1.5-RC5.1
            Reporter: Peter Ertl
            Assignee: Peter Ertl


As mentioned already in the wicket userlist *iirc* wicket's default resource 
caching strategy using resource file timestamps will not work in some cluster 
environments. Cluster deployers seem to be quite dumb and not preserve the 
'lastModified' file attribute. So depending on the server instance the resource 
is delivered from it will contain multiple timestamps for the same resource. 
Apparently timestamps seem to be unsuitable for the purpose of caching in that 
environment.


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