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Blocked Job

Posted By:      Posted Date: September 10, 2010    Points: 0   Category :Sql Server
Hi All, I set a job to run every morning, for the first few days it worked fine but from yesterday morning, when I run the query that checks if there are any jobs that are blocks, it showed that the job starts running but stops after a second then blocks it's self. The jobs wait type is CXPACKET. Would someone let me know how I can resolve this please? Thank you

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   at Microsoft.SharePoint.Library.SPRequest.AddOrUpdateItem(String bstrUrl, String bstrListName, Boolean bAdd, Boolean bSystemUpdate, Boolean bPreserveItemVersion, Boolean bUpdateNoVersion, Int32& plID, String& pbstrGuid, Guid pbstrNewDocId, Boolean bHasNewDocId, String bstrVersion, Object& pvarAttachmentNames, Object& pvarAttachmentContents,

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