MySite Search issue with Access Denied error

Each time the crawling on MySite site collection would generate numerous errors in event log as below

Error:

System.UnauthorizedAccessException: Access denied.
   at Microsoft.SharePoint.Utilities.SPUtility.HandleAccessDenied(Exception ex)
   at Microsoft.SharePoint.SPGlobal.HandleUnauthorizedAccessException(UnauthorizedAccessException ex)
   at Microsoft.SharePoint.Library.SPRequest.CheckOutFile(String bstrUrl, String bstrWebRelativeUrl, Boolean bCheckoutToLocal, String bstrLastModified)
   at Microsoft.SharePoint.SPFile.CheckOut(Boolean bCheckoutToLocal, String lastModifiedDate)
   at Microsoft.SharePoint.SPFile.CheckOut()
   at ABC.Intranet.Web.UI.WebControls.MySiteModifier.b__0()Additional Information:
  Site Collection URL - http://xyz.abc.com/personal/user |
  Web Site URL - http://xyz.abc.com/personal/user |
  HttpRequest URL - http://xyz.abc.com/personal/user/Personal Documents/Forms/AllItems.aspx |
  HttpContext User  - abc\Crawl_Acct |
  SPWeb User - abc\ Crawl_Acct |

The crawling account has READ permission over My Site collection and this account does have NO access to the specific URL in error below –

http://xyz.abc.com/personal/user/Personal Documents/Forms/AllItems.aspx  

Resolution:

This issue is resolved after adding Content Access Account under

 Central Administration > SSP > User Profiles and properties > Personalization services permissions
with "Manage user profiles" permission