Found the cause. The appender was defining "getScope()" and returning
"none". This makes sense in the "NoCache" appender but makes no sense in a
real appender.

It's not even one of the "VirtualMethodException" functions mentioned by
Mark so need to define it. Removed it and back to "so far, so good".

- Gabriel

On Fri, Jan 22, 2010 at 10:26 AM, Dorioo <[email protected]> wrote:

> hmm. Cache not updating on many to one updates unless parent explicitly
> discarded.
>
> :( Back to testing.
>
> - Gabriel
>
>
> On Wed, Jan 20, 2010 at 5:15 PM, Dorioo <[email protected]> wrote:
>
>> A. Yup, that's what I'm referring to. :-) I don't want to be responsible
>> for calling shutdown().
>>
>> What was bothering me is the case where say, you're reinitlizating your
>> app, transfer gets loaded, and a bad error happens that stops the
>> initialization process midway. You're then left with an instance of ehcache
>> and no way to shut it down.
>>
>> Granted this should be an edge exception in production but led me to this
>> experiment.
>>
>> B. Attached is what I have so far. It's all cache and no statistics but
>> maybe others will find it useful.
>>
>>    1. The CF9 object cache is _not_ exclusive to this provider so I
>>    didn't incorporate any settings for the cache. Those should be set 
>> elsewhere
>>    in your app using CacheSetProperties()
>>    2. Currently extends
>>    "transfer.com.cache.provider.AbstractBaseProvider" so it's assuming you 
>> have
>>    a "/transfer" mapping. Change as needed
>>    3. ShutDown() simulates the existing ehCache implementation by
>>    discarding all related objects. However, if this call were to fail or 
>> never
>>    be called, the object themselves timeout and so they'll eventually be 
>> purged
>>    regardless of whether shutdown() fails or is never called.
>>    4. Usage example below where timeSpan and idleTime are minutes,
>>    required, and are explained in the CF9's CachePut() function.
>>
>> <defaultcache provider="transfer.path.to.this.file.antCF9CacheProvider">
>>      <setting name="timeSpan" value="30"/>
>>      <setting name="idleTime" value="15"/>
>> </defaultcache>
>>
>> - Gabriel
>>
>> On Wed, Jan 20, 2010 at 4:12 PM, Mark Mandel <[email protected]>wrote:
>>
>>> On Thu, Jan 21, 2010 at 2:34 AM, Dorioo <[email protected]> wrote:
>>>
>>>> Main benefit I was looking for is not having to manage the ehCache
>>>> instance myself.
>>>
>>>
>>> You know the eHCache provider in Transfer manages this for you? You just
>>> call .shutdown() on transfer, and the ehCache Cache is shutdown properly. No
>>> more management than that necessary.
>>>
>>>
>>>> If I fail to properly shutdown an ehcache instance, it remains in
>>>> memory. Using the CF9 object cache, I simulate a "shutdown" by discarding
>>>> all of the objects in the CF9 object cache that begin with my providers
>>>> naming prefix. And if that were to fail for any reason, the objects
>>>> themselves have a timeout and would be purged in time anyway by CF9.
>>>>
>>>> Obvious limitations are with the limited ways in which CF9 allows you to
>>>> interact with its object cache but so far it's looking viable for my needs.
>>>>
>>>
>>> When you get it finished, feel free to post it to the list, and I can add
>>> it as a cache provider in Transfer.
>>>
>>> Mark
>>>
>>> --
>>> E: [email protected]
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>>> W: www.compoundtheory.com
>>>
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>>> www.ColdFusionOrmTraining.com/
>>>
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>>>
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>>
>>
>

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