[ZODB-Dev] Re: ZEO cache failed to invalidate... OK now

[Doug Winter]

On Fri, 29 Aug 2003 15:12:52 -0400, Paul Winkler wrote:

> Earlier (on zope-dev list) there was a thread about
> ZEO failing to invalidate caches at times. I could reproducibly 
> edit something on one zeo client and see the other zeo client fail to
> get the changes until restart or cache purge.
> 
> I'm happy to say that this seems to be fixed in ZEO from ZODB-3.1.2.
> 
> Stupidly, I now can't seem to figure out exactly what versions of 
> ZEO I had on all servers when I observed the problem. I thought
> it was the same ZODB-3.1.2 version but now I suspect not.
> In at least one case demonstrating the bug, I know that a client was 
> running ZEO from the ZEO-2.0 tarball. 
> 
> FYI, during investigation, I observed that the "bad" zeo client
> would get a line like this in the log every time i tried to load 
> the changed object:
> 
> 2003-08-29T11:08:47 PROBLEM(100) ZCS:14332 Invalidate('\x00\x00\x00\x00\x00\x05\
> xd0\\', '') failed for _db: keys

Hi,

I'm getting exactly the error described above right now.  I'm running
Zope 2.6.2b5 and ZEO 2.0.1b1.  I haven't been able to find the previous
thread on zope-dev to which you refer.

Have you any idea of the canonical fix?  Is the ZEO from ZODB-3.1.2 a
better bet?

Cheers,

Doug.

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