On Sep 8, 2010, at 1:07 PM, David Avendasora wrote:
> On Sep 8, 2010, at 3:07 PM, Chuck Hill <[email protected]> wrote:
>> On Sep 8, 2010, at 11:36 AM, David Avendasora wrote:
>> 
>>> Okay, Steve Meyer figured it out.
>>> 
>>> The app started up just fine, but the first time the "Inbox" class was 
>>> called, it called it's superclass which has a static variable that loads a 
>>> set of EOs from the database.
>> 
>> That sounds a little... dangerous.  ERXEnterpriseObjectCache anyone?
> 
> Thanks for the discretion of not calling me stupid.
> 
> To my face.
> 
> Again.
> 
> :-D

Well, now that we have bonded over a pig's head I feel that we are almost 
related.


> Yes, I think we'll be implementing that.
> 
> Dave 
>> 
>> 
>> 
>>> That DB connection failed, which left the superclass uninitialized and 
>>> therefor basically corrupt, and therefor the NoClassDefFoundError.
>>> 
>>> I think we'll be digging around looking for more issues like this. Soon.
>>> 
>>> Dave
>>> 
>>> PS, Sorry about the lack of stack trace.
>>> 
>>> On Sep 8, 2010, at 1:20 PM, Chuck Hill wrote:
>>> 
>>>> Any exceptions in the log on start up?  Were you upgrading something?  Are 
>>>> you sure that this one instance did not just _not_ restart and so no see 
>>>> the new code?
>>>> 
>>>> Chuck
>>>> 
>>>> 
>>>> On Sep 8, 2010, at 10:12 AM, David Avendasora wrote:
>>>> 
>>>>> Hi all,
>>>>> 
>>>>> Has anyone else ever seen this:
>>>>> 
>>>>> We have a server that is running 4 instances of one of our apps. Last 
>>>>> night we restarted one of the instances and apparently it didn't properly 
>>>>> load 1 class that is part of one of our internal frameworks.
>>>>> 
>>>>> Every time a user tried a feature that used that one class, we got 
>>>>> java.lang.NoClassDefFoundError. The other instances of the same app 
>>>>> started from the same files on the hard drive were running fine.
>>>>> 
>>>>> We restarted the affected instance and that eliminated the problem.
>>>>> 
>>>>> We couldn't find any errors in any of the logs that would explain why the 
>>>>> class wouldn't have properly loaded.
>>>>> 
>>>>> It's all fine now, but this was a very strange issue.
>>>>> 
>>>>> Anyone ever run into something like that?
>>>>> 
>>>>> Dave  _______________________________________________
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>>>>> 
>>>>> This email sent to [email protected]
>>>> 
>>>> -- 
>>>> Chuck Hill             Senior Consultant / VP Development
>>>> 
>>>> Practical WebObjects - for developers who want to increase their overall 
>>>> knowledge of WebObjects or who are trying to solve specific problems.    
>>>> http://www.global-village.net/products/practical_webobjects
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>> 
>> 
>> -- 
>> Chuck Hill             Senior Consultant / VP Development
>> 
>> Practical WebObjects - for developers who want to increase their overall 
>> knowledge of WebObjects or who are trying to solve specific problems.    
>> http://www.global-village.net/products/practical_webobjects
>> 
>> 
>> 
>> 
>> 
>> 
>> 

-- 
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall 
knowledge of WebObjects or who are trying to solve specific problems.    
http://www.global-village.net/products/practical_webobjects







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