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From "Carsten Ziegeler" <cziege...@s-und-n.de>
Subject RE: StaticBucketMap, Re: DO NOT REPLY [Bug 30148] - Internal serverError
Date Wed, 11 Aug 2004 06:40:03 GMT
 

> -----Original Message-----
> From: Vadim Gritsenko [mailto:vadim@reverycodes.com] 
> Sent: Tuesday, August 10, 2004 5:49 PM
> To: dev@cocoon.apache.org
> Subject: StaticBucketMap, Re: DO NOT REPLY [Bug 30148] - 
> Internal serverError
> 
> bugzilla@apache.org wrote:
> > <http://issues.apache.org/bugzilla/show_bug.cgi?id=30148>.
> > 
> > ------- Additional Comments From lars.rottmann@vodafone.com  
> > 2004-08-10 11:01 ------- The bug was fixed in 2.1.4. Carsten kindly 
> > replaced any reference to the StaticBucketMap with a synchronized 
> > HashMap (not nice, but it works). This was done in the Excalibur 
> > ComponentManager package. Commons-Collections still has the 
> non-threadsafe StaticBucketMap in it.
> 
> I took a looong look at the current version of 
> StaticBucketMap [1] but fail to see how it is not thread 
> safe... Can anybody give a guess, what can go wrong in this code?
> 
I can't :( I looked as well through this code and didn't find anything.
But there must be something, as not only Lars but several others had
problems with this map under heavy load. Making the map synchronized
fixed the problem in all cases.

Carsten


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