Process cannot access blob cache file
Locked
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Donnerstag, 1. September 2011 16:33
We frequently get the following error on our SharePoint 2007 web front end. It is runninig on 64 bit Windows Server 2003. We only have one applicaiton pool using the blob cache. How do I resolved this error?
NT Event Log : Office SharePoint Server An error occured in the blob cache. The exception message was 'The process cannot access the file 'x:\blobCache\1811074914\flushcount.bin' because it is being used by another process.'.
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Dienstag, 6. September 2011 09:07Moderator
Hi mbuckingham,
Was this error Event ID 5538?
You can patch the August 2009 CU for your SharePoint and check again, there is an article with similar issue, you can check.
http://mysharepointofview.com/2010/01/an-error-occured-in-the-blob-cache-event-id-5538/
Thanks
Regards, Daniel- Als Antwort markiert mbuckingham Dienstag, 6. September 2011 14:22
- Tag als Antwort aufgehoben Mike Walsh FIN Mittwoch, 7. September 2011 15:02
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Mittwoch, 7. September 2011 14:40
I installed the August 2011 cumulative update on our servers last night. This morning we are still getting teh error message all though much less frequently.
NT Event Log : Office SharePoint Server An error occured in the blob cache. The exception message was 'The process cannot access the file 'x:\blobCache\1811074914\flushcount.bin' because it is being used by another process.'.
Any suggestions?
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Donnerstag, 8. September 2011 12:25Moderator
Hi mbuckingham,
After installing the CU, you need to run the SharePoint Configuration Wizard, then check again.
Thanks
Regards, Daniel -
Donnerstag, 8. September 2011 12:47
Yes. I installed the WSS update, ran the configuration wizard to apply the update then installed the MOSS update and ran the configurtion wizard to install that update. All completely successfully and the farms show the appropriate version number, 12.0.0.6565. However, we still get the error message a few times a day.
Event Type: Error
Event Source: Office SharePoint Server
Event Category: Publishing Cache
Event ID: 5538
Date: 9/7/2011
Time: 8:50:10 PM
User: N/A
Computer: JAXMOSSPRD1
Description:
An error occured in the blob cache. The exception message was 'The process cannot access the file 'x:\blobCache\1811074914\flushcount.bin' because it is being used by another process.'.For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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Freitag, 9. September 2011 02:11
HI,
After the wizard have you rebooted your server? If not then proceed to do so.
Thanks, Rahul Rashu -
Freitag, 9. September 2011 14:21
After I ran the installer for each cumulative update I was prompted to reboot and did a reboot before running the configuration wizard. So the process went like this.
Install WSS CU
Reboot
Run Configuration Wizard
Install MOSS CU
Reboot
Run Configuration Wizard
I don't mind rebooting again after hours tonight. Do you normally need to do that after running the configuration wizard?
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Freitag, 9. September 2011 15:15
Hi,
Yes we do that.
So please proceed and do let us know the results.
Thanks, Rahul Rashu -
Freitag, 17. Februar 2012 15:49
We determined that the blob cache was not a good fit for our environment because our sites are all collaborative and have frequent changes. Rather than a bug, I suspect this error may have occurred when the files were locked during updates to the cache caused by changes to resources in the databases that were being cached. We noticed the errors coincided with the site becoming unresponsive for several seconds as requests queued while the cache updated. Once the update completed the site processed the queued requests and return to normal performance levels. Stefan Goßner made reference to this issue in this blog post:
He was quoting this TechNet article on planning for caching and performance.
http://technet.microsoft.com/en-us/library/ee424404.aspx
His post and the article are targeted at 2010 but, in our experience, the information is also applicable to 2007.
- Als Antwort markiert mbuckingham Freitag, 17. Februar 2012 15:49

