Error details on crawl log -
The item was aborted because the pipeline did not respond within the appropriate time. This item will be retried in the next crawl. ( CSSFeeder generated callback: The system has not received callback for the document;)
tried full crawl but getting same error.
ULS log (1) - CTSSession::Init: m_CSSConnection.Service.CreateSession threw exception (System.ServiceModel.CommunicationException), message = Exception type is System.ServiceModel.FaultException message = The server was unable to process the request due to an internal error. For more information about the error, either turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the configuration behavior) on the server in order to send the exception information back to the client, or turn on tracing as per the Microsoft .NET Framework SDK documentation and inspect the server trace logs.;, CSSNode = net.tcp://servername/DCA91A/ContentProcessingComponent1/ContentSubmissionServices/content, Flow = Microsoft.CrawlerFlow
ULS log (2) - CSSFeeder::Run: session is not recreated or lost connection - reconnecting
ULS log (3) - w3wp.exe: All query processing components are in 'Failed' status.