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Unable to search Document Library

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Hi Guys

am getting a correlation ID error when searching a document library in sharepoint 2010, the logs relating to the error are as follows

02/24/2014 08:28:07.36    w3wp.exe (0x27D0)                          0x0F9C   SharePoint Foundation            Logging
02/24/2014 08:28:07.36    w3wp.exe (0x27D0)                          0x0F9C   SharePoint Foundation            Logging Correlation Data         xmnv   Medium     Site=/   ec4995be-bc0c-46bd-987d-ace16635c86a
02/24/2014 08:28:07.39    w3wp.exe (0x27D0)                          0x0F9C   SharePoint Server Search         Query                            fm9a   Unexpected   CoreResultsWebPart::OnInit: Exception initializing: System.NullReferenceException: Object reference not set to an instance of an object.     at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.SetPropertiesOnQueryReader()     at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.OnInit(EventArgs e)   ec4995be-bc0c-46bd-987d-ace16635c86a
02/24/2014 08:28:07.39    w3wp.exe (0x27D0)                          0x0F9C   SharePoint Server Search         Query                            g1j9   Exception   Internal server error exception: System.NullReferenceException: Object reference not set to an instance of an object.     at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.SetPropertiesOnQueryReader()     at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.OnInit(EventArgs e) System.NullReferenceException: Object reference not set to an instance of an object.     at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.SetPropertiesOnQueryReader()     at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.OnInit(EventArgs e)   ec4995be-bc0c-46bd-987d-ace16635c86a
02/24/2014 08:28:07.39    w3wp.exe (0x27D0)                          0x0F9C   SharePoint Server                Unified Logging Service          c91s   Monitorable   Watson bucket parameters: SharePoint Server 2010, ULSException14, 06175311 "sharepoint server search", 0e00178d "14.0.6029.0", 17853a8f "microsoft.office.server.search", 0e0017da "14.0.6106.0", 4def6b97 "wed jun 08 13:31:19 2011", 00003297 "00003297", 0000002d "0000002d", 4a6d3421 "nullreferenceexception", 67316a39 "g1j9"   ec4995be-bc0c-46bd-987d-ace16635c86a
02/24/2014 08:28:07.39    w3wp.exe (0x27D0)                          0x29F4   SharePoint Server Search         Query                            dka1   High       SearchServiceApplicationProxy::GetSearchServiceApplicationInfo--Proxy Name:Search Service Application EndPoint: http://pw-sapp01:32847/a7d392500a01476e88aebd0131843e1d/SearchService.svc
987d-ace16635c86a
02/24/2014 08:28:07.41    w3wp.exe (0x27D0)                          0x29F4   SharePoint Server Search         Query                            dk8z   High       SearchServiceApplicationProxy::GetChannel--Channel Creation time: 15.6006
02/24/2014 08:28:07.41    w3wp.exe (0x27D0)                          0x29F4   SharePoint Foundation            Topology                         e5mc   Medium     WcfSendRequest: RemoteAddress: 'http://pw-sapp01:32847/a7d392500a01476e88aebd0131843e1d/SearchService.svc' Channel: 'Microsoft.Office.Server.Search.Administration.ISearchServiceApplication' Action: 'http://tempuri.org/ISearchQueryServiceApplication/GetSearchServiceApplicationInfo' MessageId: 'urn:uuid:9bf6f8f9-b89e-4e97-bf77-d36f84204b70'
02/24/2014 08:28:07.41    w3wp.exe (0x27D0)                          0x29F4   SharePoint Server Search         Query                            dka5   High       SearchServiceApplicationProxy::GetSearchServiceApplicationInfo--Error occured: System.ServiceModel.ServerTooBusyException: The HTTP service located at http:/pw-sapp01:32847/a7d392500a01476e88aebd0131843e1d/SearchService.svc is too busy. ---> System.Net.WebException: The remote server returned an error: (503) Server Unavailable.     at System.Net.HttpWebRequest.GetResponse()     at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)     --- End of inner exception stack trace ---    Server stack trace:      at System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)     at System.ServiceModel.Channels.HttpChannelFactory....
02/24/2014 08:28:07.41*   w3wp.exe (0x27D0)                          0x29F4   SharePoint Server Search         Query                            dka5   High       ...HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)     at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)     at System.ServiceModel.Channels.SecurityChannelFactory`1.SecurityRequestChannel.Request(Message message, TimeSpan timeout)     at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)     at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)     at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)     at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)    Exception rethrown at [...
02/24/2014 08:28:07.41*   w3wp.exe (0x27D0)                          0x29F4   SharePoint Server Search         Query                            dka5   High       ...0]:      at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)     at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)     at Microsoft.Office.Server.Search.Query.ISearchQueryServiceApplication.GetSearchServiceApplicationInfo()     at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.<GetSearchServiceApplicationInfo>b__1e(ISearchServiceApplication serviceApplication)     at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.DoSpLoadBalancedUriWsOp[T](WebServiceBackedOperation`1 webServiceCall, Int32 timeoutInMilliseconds, Int32 wcfTimeoutInMilliseconds, String operationName)
02/24/2014 08:28:07.42    w3wp.exe (0x27D0)                          0x29F4   SharePoint Server                General                          0000   High       System.ServiceModel.ServerTooBusyException: The HTTP service located at http://pw-sapp01:32847/a7d392500a01476e88aebd0131843e1d/SearchService.svc is too busy. ---> System.Net.WebException: The remote server returned an error: (503) Server Unavailable.     at System.Net.HttpWebRequest.GetResponse()     at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)     --- End of inner exception stack trace ---    Server stack trace:      at System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)     at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)     at Sys...
02/24/2014 08:28:07.42*   w3wp.exe (0x27D0)                          0x29F4   SharePoint Server                General                          0000   High       ...tem.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)     at System.ServiceModel.Channels.SecurityChannelFactory`1.SecurityRequestChannel.Request(Message message, TimeSpan timeout)     at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)     at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)     at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)     at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)    Exception rethrown at [0]:      at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMess...
02/24/2014 08:28:07.42*   w3wp.exe (0x27D0)                          0x29F4   SharePoint Server                General                          0000   High       ...age reqMsg, IMessage retMsg)     at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)     at Microsoft.Office.Server.Search.Query.ISearchQueryServiceApplication.GetSearchServiceApplicationInfo()     at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.<GetSearchServiceApplicationInfo>b__1e(ISearchServiceApplication serviceApplication)     at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.DoSpLoadBalancedUriWsOp[T](WebServiceBackedOperation`1 webServiceCall, Int32 timeoutInMilliseconds, Int32 wcfTimeoutInMilliseconds, String operationName)     at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.DoWebServiceBackedOperation[T](String operationName, Int32 timeoutInMilliseco...
02/24/2014 08:28:07.42*   w3wp.exe (0x27D0)                          0x29F4   SharePoint Server                General                          0000   High       ...nds, Int32 wcfTimeoutInMilliseconds, WebServiceBackedOperation`1 webServiceCall)     at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.DoWebServiceBackedOperation[T](String operationName, WebServiceBackedOperation`1 webServiceCall)     at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.RefreshAsyncCache(String key)     at Microsoft.Office.Server.Utilities.SPAsyncCache`2.GetValueNow(K key)     at Microsoft.Office.Server.Utilities.SPAsyncCache`2.Callback(Object state)
02/24/2014 08:28:07.42    w3wp.exe (0x27D0)                          0x0F9C   SharePoint Foundation            Monitoring                       nasq   Medium     Entering monitored scope (Request

Monday, February 24, 2014 8:35 AM

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Turns out that there was too much on that application pool, as soon as I created a new application pool for the search then it worked straight away
- Marked as answer by tonysolinas Wednesday, March 12, 2014 8:04 AM
Wednesday, March 12, 2014 8:04 AM

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Hi tony,

Please check the followings:

1. Restart the service "Search Query and Site Settings Service" on the server pw-sapp01 from Central Administration, then perform an iisreset.

2. Check if the pw-sapp01 server system time is different from other SharePoint servers.

3. Check if it could help with disabling the loopback check on this pw-sapp01 server.

http://blog.henryong.com/2011/10/18/sharepoint-2010-intermittent-search-errors-web-services-round-robin-service-load-balancer-event-endpointfailure/

http://social.msdn.microsoft.com/Forums/en-US/53e497ad-25d1-413b-94bc-187688130e24/fast-suddenly-stopped-working?forum=sharepointadminprevious

http://blogs.msdn.com/b/rcormier/archive/2012/11/13/search-returns-an-error-object-reference-not-set-to-an-instance-of-an-object.aspx

Thanks
Daniel Yang
TechNet Community Support

Tuesday, February 25, 2014 1:16 PM
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Thanks for this, have tried everything except number 3 and still not working

How do I disable loopback check?

Tuesday, February 25, 2014 1:42 PM
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Hi tony,

Please see the kb article mentioned in the msdn blog.

http://blogs.msdn.com/b/rcormier/archive/2012/11/13/search-returns-an-error-object-reference-not-set-to-an-instance-of-an-object.aspx

http://support.microsoft.com/kb/896861/en-us

Thanks
Daniel Yang
TechNet Community Support

Tuesday, February 25, 2014 1:51 PM
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Disabling the loop back on a production server is a terrible idea. Add the server name as an exclusion in the registry instead.
Steven Andrews
SharePoint Business Analyst: LiveNation Entertainment
Blog: baron72.wordpress.com
Twitter: Follow @backpackerd00d
My Wiki Articles: CodePlex Corner Series
Please remember to mark your question as "answered" if this solves (or helps) your problem.
- Marked as answer by star.wars Wednesday, March 12, 2014 2:07 AM
- Unmarked as answer by tonysolinas Wednesday, March 12, 2014 8:03 AM
Tuesday, February 25, 2014 1:53 PM
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Turns out that there was too much on that application pool, as soon as I created a new application pool for the search then it worked straight away
- Marked as answer by tonysolinas Wednesday, March 12, 2014 8:04 AM
Wednesday, March 12, 2014 8:04 AM

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Unable to search Document Library

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