Sharepoint server 2013: unexpected error when opening library pages

SPLover 1 Reputation point
2021-09-06T13:39:28.697+00:00

When opening any library page, in random moments unexpected errors occur. It is not correlating with usage of the server or anything I can think of.
Here is ULS log file associated with correlation id from one of errors:

Timestamp : 9/6/2021 8:42:40 AM
Continuation : False
Process : w3wp.exe (0x14EC)
ThreadID : 3708
Area : SharePoint Foundation
Category : Logging Correlation Data
EventID : xmnv
Level : Medium
Message : Name=Request (GET:https://januszex.com:443/orders/SitePages/All.aspx)
Correlation : 51c0ec9f-6402-400f-ed14-ee6800073b9c
Context : {}

Timestamp : 9/6/2021 8:42:40 AM
Continuation : False
Process : w3wp.exe (0x14EC)
ThreadID : 3708
Area : SharePoint Foundation
Category : Authentication Authorization
EventID : agb9s
Level : Medium
Message : Non-OAuth request. IsAuthenticated=True, UserIdentityName=0#, ClaimsCount=357
Correlation : 51c0ec9f-6402-400f-ed14-ee6800073b9c
Context : {}

Timestamp : 9/6/2021 8:42:40 AM
Continuation : False
Process : w3wp.exe (0x14EC)
ThreadID : 3708
Area : SharePoint Foundation
Category : Files
EventID : aiv4w
Level : Medium
Message : Spent 0 ms to bind 3356 byte file stream
Correlation : 51c0ec9f-6402-400f-ed14-ee6800073b9c
Context : {}

Timestamp : 9/6/2021 8:42:40 AM
Continuation : False
Process : w3wp.exe (0x14EC)
ThreadID : 3708
Area : SharePoint Foundation
Category : Logging Correlation Data
EventID : xmnv
Level : Medium
Message : Site=/
Correlation : 51c0ec9f-6402-400f-ed14-ee6800073b9c
Context : {}

Timestamp : 9/6/2021 8:42:40 AM
Continuation : False
Process : w3wp.exe (0x14EC)
ThreadID : 3708
Area : SharePoint Foundation
Category : Monitoring
EventID : b4ly
Level : High
Message : Leaving Monitored Scope (PostResolveRequestCacheHandler). Execution Time=24,9067269722828
Correlation : 51c0ec9f-6402-400f-ed14-ee6800073b9c
Context : {}

Timestamp : 9/6/2021 8:42:40 AM
Continuation : False
Process : w3wp.exe (0x14EC)
ThreadID : 3708
Area : SharePoint Portal Server
Category : Search Boxes
EventID : ahvv6
Level : Unexpected
Message : Fetching app info failed: Microsoft.Office.Server.Search.Query.SearchServiceNotFoundException: The search request was unable to connect to the Search Service. at
Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.GetProxy(SPServiceContext ServiceContext) at
Microsoft.Office.Server.Search.WebControls.SearchCommon.GetSearchCenterUrl()
Correlation : 51c0ec9f-6402-400f-ed14-ee6800073b9c
Context : {}

Timestamp : 9/6/2021 8:42:40 AM
Continuation : False
Process : w3wp.exe (0x14EC)
ThreadID : 3708
Area : SharePoint Portal Server
Category : Search Boxes
EventID : ahvv6
Level : Unexpected
Message : Fetching app info failed: Microsoft.Office.Server.Search.Query.SearchServiceNotFoundException: The search request was unable to connect to the Search Service. at Microsoft.Office.Server.Search.Administration.SearchServiceApplicationProxy.GetProxy(SPServiceContext ServiceContext) at
Microsoft.Office.Server.Search.WebControls.SearchCommon.GetSearchCenterUrl()
Correlation : 51c0ec9f-6402-400f-ed14-ee6800073b9c
Context : {}

Whether this error can be caused by factors other than associated with sharepoint?

SharePoint Workflow
SharePoint Workflow
SharePoint: A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.Workflow: An orchestrated and repeatable pattern of business activity, enabling data transformation, service provision, and information retrieval.
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SharePoint Server Management
SharePoint Server Management
SharePoint Server: A family of Microsoft on-premises document management and storage systems.Management: The act or process of organizing, handling, directing or controlling something.
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4 answers

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  1. CaseyYang-MSFT 10,321 Reputation points
    2021-09-07T05:14:12.473+00:00

    Hi @SPLover ,

    Is there anything has been changed before the issue occurs?

    You could use the following PowerShell commands to check if there are any timer jobs not running. 

    $farm = Get-SPFarm  
$disabledTimers = $farm.TimerService.Instances | where {$_.Status -ne "Online"}

    If an Answer is helpful, please click "Accept Answer" and upvote it.

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  2. sadomovalex 3,626 Reputation points
    2021-09-08T15:01:18.877+00:00

    go to Central administration > Manage service applications and check whether Search service application is in Started state. Based on the error:

    The search request was unable to connect to the Search Service

    something may be wrong with search service app.

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  3. SPLover 1 Reputation point
    2021-09-09T08:44:50.93+00:00

    @sadomovalex , @CaseyYang-MSFT thanks for respond.

    Search service application is not present inside sharepoint central administration, but for searching is used external service - Solr. From Solr side everything is working fine - there is not any errors inside logs associated with sharepoint.
    Additionally there is Sharepoint server search 15 in Windows services list, but it is disabled.

  4. sadomovalex 3,626 Reputation points
    2021-09-13T14:42:11.523+00:00

    Search service application is not present inside sharepoint central administration, but for searching is used external service - Solr. From Solr side everything is working fine - there is not any errors inside logs associated with sharepoint

    this is fine that some external service is used for searching - no need to change that. Just some Sharepoint components may require standard Search service app to be provisioned. No need to create any content sources there - leave it empty (which means it won't perform search crawl) but try to create it so it will be listed in service applications list in Central administration:
    131681-2021-09-13-17-37-35.png
    And see will it help.

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