hie any updates on this please?
Thankx and Regards

Vik
Founder
www.sakshum.com
www.sakshum.blogspot.com


On Sat, Sep 5, 2009 at 8:07 PM, Vik <[email protected]> wrote:

> Hie
> yeah I did that..
>
> and what I get are two different values from this block
>
> At first time of app startup
> vik.sakshum.sakshumweb.jsp.model.jdo.PMF <clinit>: Loading PMF in
> com.google.apphosting.runtime.security.userclassloa...@1f7cdc7
>
> and in another flow
> vik.sakshum.sakshumweb.jsp.model.jdo.PMF <clinit>: Loading PMF in
> com.google.apphosting.runtime.security.userclassloa...@1e6f0ef
>
>
> So, it means it is trying to load it in two different class loaders. So,
> how should I fix it?
>
> Thankx and Regards
>
> Vik
> Founder
> www.sakshum.com
> www.sakshum.blogspot.com
>
>
> On Sat, Sep 5, 2009 at 5:14 AM, Jason (Google) <[email protected]>wrote:
>
>> Based on one of your recent posts, it seems like multiple
>> PersistenceManagerFactory instances are being created by different
>> classloaders. Since this is an expensive operation, this could explain why
>> you're experiencing such slow performance. Did you follow Toby's suggestion
>> in the last post?
>> -----
>> 1)  Are you maybe loading that singleton class in different classloaders?
>> Try logging the classloader object reference that tries to create the
>> PersistenceManagerFactory. You can add a static initializer ABOVE
>> pmfInstance.
>>
>> static {
>>   logger.log(Level.SEVERE, "Loading PMF in " +
>> PMF.class.getClassLoader()");
>> }
>> -----
>>
>> - Jason
>>
>> On Thu, Sep 3, 2009 at 10:03 AM, Vik <[email protected]> wrote:
>>
>>> Hie
>>> Strange to hear that if it is creating PMF again....
>>>
>>> Should it do it just once when i logged in? In the logging process I do
>>> get an instance of PMF. So, why it is doing that again?
>>> Any advise what may be going wrong here?
>>>
>>>
>>> Thankx and Regards
>>>
>>> Vik
>>> Founder
>>> www.sakshum.com
>>> www.sakshum.blogspot.com
>>>
>>>
>>> On Thu, Sep 3, 2009 at 10:25 PM, datanucleus 
>>> <[email protected]>wrote:
>>>
>>>>
>>>> >    17.  I09-03 09:46AM 31.994
>>>> >
>>>> >    vik.sakshum.sakshumweb.jsp.model.jdo.PMF <clinit>: Loading PMF in
>>>> > com.google.apphosting.runtime.security.userclassloa...@8fcc7b
>>>> >
>>>> >    18.  I09-03 09:46AM 41.622
>>>>
>>>> Don't you think it's a strange way to "benchmark" things by including
>>>> known one-off operations like creating a PMF ?
>>>> Personally that ought to be included in application startup timings,
>>>> rather than "time taken to read 200 records".
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>> >>
>>
>

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