Sent from my iPad

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

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  _______________________________________________
>>>> Do not post admin requests to the list. They will be ignored.
>>>> Webobjects-dev mailing list      ([email protected])
>>>> Help/Unsubscribe/Update your Subscription:
>>>> http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net
>>>> 
>>>> 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
> 
> 
> 
> 
> 
> 
> 
 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list      ([email protected])
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com

This email sent to [email protected]

Reply via email to