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Re: NSRecursiveLock.lock() causing deadlock??
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Re: NSRecursiveLock.lock() causing deadlock??


  • Subject: Re: NSRecursiveLock.lock() causing deadlock??
  • From: Dov Rosenberg <email@hidden>
  • Date: Wed, 27 Aug 2008 19:37:46 -0400
  • Thread-topic: NSRecursiveLock.lock() causing deadlock??

This app doesn't use the shared editing context (we do have another app that
does use the shared editing context). We are not using any locking manager -
we do use the LockScreamingEditingContext - we believe we fixed the earlier
locking issues (we had a bunch of those)

Dov


On 8/27/08 7:27 PM, "Travis Britt" <email@hidden> wrote:

> Maybe others will have better advice, but in my experience that's
> generally do to abusing the shared editing context or not handling
> editing context locking properly. I see you aren't using Wonder -- are
> you using any EC locking manager? Are you spawning any threads
> yourself, either directly or via WOLongResponsePage?
>
> tb
>
> On Aug 27, 2008, at 7:18 PM, Dov Rosenberg wrote:
>> We have experienced intermittent hanging issues under load. When we
>> look at the thread dumps I always see things like
>>
>> "http-10042-Processor111" nid=60350 state=WAITING
>>     - waiting on <0xcb1792> (a
>> com.webobjects.foundation.NSRecursiveLock)
>>     - locked <0xcb1792> (a com.webobjects.foundation.NSRecursiveLock)
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References: 
 >Re: NSRecursiveLock.lock() causing deadlock?? (From: Travis Britt <email@hidden>)

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