[Building Sakai] update ehcahce to 1.5.0?

[Cris J Holdorph]

This is the issue that I was talking about.  Eric Dalquist ran into it 
with uPortal.

https://jira.terracotta.org/jira//browse/EHC-310

---- Cris J H

Cris J Holdorph wrote:
> I've heard there are some interesting behavior (problems?) with 1.6 due 
> a switch toe java.util.logging instead of log4j.  Seems to play havoc 
> with classloaders according to a fellow uPortal developer who was trying 
> to upgrade uPortal's use of ehcache.
> 
> Something worth checking on, before you invest too much work in changing 
> something in kernel.
> 
> ---- Cris J H
> 
> Ian Boston wrote:
>> On 1 Nov 2009, at 07:54, David Horwitz wrote:
>>
>>> Hi All,
>>>
>>> At the moment we are using ehcache 1.3.0. The latest release is 1.7.0:
>>>
>>> http://ehcache.org/changes-report.html
>>>
>>> It seems that we can straightforwardly upgrade to 1.5.0 9 9 (there  
>>> seem
>>> to be API changes in 1.6.0 that break the memory service)
>>>
>>> thoughts?
>> IMHO, I would certainly go up to 1.5
>> but I would be very tempted to do the work in memory service to make  
>> it work with 1.6. You should not have to change anything in the API  
>> only the implementation so the scope will be limited to just memory  
>> service impl. If that is not the case, then there is something really  
>> very wrong with the API.
>>
>> I will be updating K2 as
>> "This release introduces a new high performance cache core, which is  
>> two orders of magnitude faster." in the 1.6 release is quite compelling
>>
>> Ian
>>
>>
>>> D
>>>
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