[Glass] Error migrating instances

[James Foster]

Hi Sebastián,

I did a search for ‘gcLock’ in the System Admin Guide and found several operations that require and/or hold the lock. In particular, see pages 310-11. Also, you can determine the session holding the GcLock by using the following:

System sessionIdHoldingGcLock

James

On Jan 15, 2014, at 4:40 AM, Sebastian Van Lacke <svanlacke at caesarsystems.com> wrote:

> Hi all,
> 
> I'm getting an error while migrating instances. I have added an instance variable to a class, and I trying to migrate the instances by evaluating this code:
> 
> | userHist allUsers |
> userHist := CSUserRequest classHistory.
> allUsers := SystemRepository listInstances: userHist.
> 
> 1 to: userHist size-1 do: [:index |
> 	 (userHist at: index) migrateInstances:(allUsers at: index) to: (userHist at: userHist size)].
> 
> After some minutes, I get this error:
> 
> a Error occurred (error 2501), An operation that needs to acquire the gcLock was not able to get the lock within a reasonable amount of time.
> 
> I have no idea how to proceed. I will appreciate some help.
> 
> Thank you very much
> 
> Sebastián
> 
> 
> 
> 
> -- 
> sebastian van lacke | web developer |  caesar systems | see clearly. decide smarter.
> 
> svanlakce at caesarsystems.com | t: +1.281.598.8790 | t: +54.11.4389.0126 | petrovr.blogspot.com | www.caesarsystems.com 
> 
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