https://community.qlik.com/t5/Official-Support-Articles/App-Extension-causing-high-CPU-usage-by-Qlik-Sense-Repository/ta-p/1716742 <P><BR />The Qlik Sense Repository Service CPU usage is unusual high and causing system stability issues.&nbsp;</P> <P>The following is found in the repository service logs:</P> <P><FONT face="courier new,courier">Qlik-Sense-ACC&nbsp;&nbsp; &nbsp;System.Repository.Repository.Core.Resource.Support.ExtensionResourceSupport&nbsp;&nbsp; &nbsp;125&nbsp;&nbsp; &nbsp;6895faae-e38b-43eb-b0e7-fe1dd51f73fe&nbsp;&nbsp; &nbsp;domain\qsservice&nbsp;&nbsp; &nbsp;Invalid extension schema: \\accsourcedoc\qs_acc_cluster\StaticContent\Extensions\._dls\._dls.qext&nbsp;&nbsp; &nbsp;Unexpected character encountered while parsing value: . Path '', line 1, position 1.&nbsp;&nbsp; &nbsp; &nbsp; at Newtonsoft.Json.JsonTextReader.ParseValue()?? &nbsp; at&nbsp;</FONT><BR /><BR /><STRONG>Environment:</STRONG></P> <DIV style="margin-left: 40px;"><LI-PRODUCT title="Qlik Sense Enterprise on Windows" id="qlikSenseEnterpriseWindows"></LI-PRODUCT>&nbsp;, November 2018</DIV> <P>&nbsp;</P> <H3 class="qlik-migrated-tkb-headings">Cause:</H3> <P><BR />Invalid extension schema.&nbsp;A loop can be found in the Repository service log, indicating the Engine service looping on a specific location:&nbsp;<BR /><BR /><SPAN style="font-family: Courier New,Courier,monospace;">\\accsourcedoc\qs_acc_cluster\StaticContent\Extensions\._dls\._dls.qext</SPAN><BR /><BR />This is causing high CPU usage.<BR /><BR /></P> <H3 class="qlik-migrated-tkb-headings">Resolution:</H3> <P><BR />Hight CPU issue is caused by an Extension can may be resolved by removal of the extension.&nbsp;<BR />&nbsp;</P> Thu, 03 Jun 2021 12:56:03 GMT obo 2021-06-03T12:56:03Z https://community.qlik.com/t5/Official-Support-Articles/App-Extension-causing-high-CPU-usage-by-Qlik-Sense-Repository/ta-p/1716742 <P><BR />The Qlik Sense Repository Service CPU usage is unusual high and causing system stability issues.&nbsp;</P> <P>The following is found in the repository service logs:</P> <P><FONT face="courier new,courier">Qlik-Sense-ACC&nbsp;&nbsp; &nbsp;System.Repository.Repository.Core.Resource.Support.ExtensionResourceSupport&nbsp;&nbsp; &nbsp;125&nbsp;&nbsp; &nbsp;6895faae-e38b-43eb-b0e7-fe1dd51f73fe&nbsp;&nbsp; &nbsp;domain\qsservice&nbsp;&nbsp; &nbsp;Invalid extension schema: \\accsourcedoc\qs_acc_cluster\StaticContent\Extensions\._dls\._dls.qext&nbsp;&nbsp; &nbsp;Unexpected character encountered while parsing value: . Path '', line 1, position 1.&nbsp;&nbsp; &nbsp; &nbsp; at Newtonsoft.Json.JsonTextReader.ParseValue()?? &nbsp; at&nbsp;</FONT><BR /><BR /><STRONG>Environment:</STRONG></P> <DIV style="margin-left: 40px;"><LI-PRODUCT title="Qlik Sense Enterprise on Windows" id="qlikSenseEnterpriseWindows"></LI-PRODUCT>&nbsp;, November 2018</DIV> <P>&nbsp;</P> <H3 class="qlik-migrated-tkb-headings">Cause:</H3> <P><BR />Invalid extension schema.&nbsp;A loop can be found in the Repository service log, indicating the Engine service looping on a specific location:&nbsp;<BR /><BR /><SPAN style="font-family: Courier New,Courier,monospace;">\\accsourcedoc\qs_acc_cluster\StaticContent\Extensions\._dls\._dls.qext</SPAN><BR /><BR />This is causing high CPU usage.<BR /><BR /></P> <H3 class="qlik-migrated-tkb-headings">Resolution:</H3> <P><BR />Hight CPU issue is caused by an Extension can may be resolved by removal of the extension.&nbsp;<BR />&nbsp;</P> Thu, 03 Jun 2021 12:56:03 GMT https://community.qlik.com/t5/Official-Support-Articles/App-Extension-causing-high-CPU-usage-by-Qlik-Sense-Repository/ta-p/1716742 obo 2021-06-03T12:56:03Z