topic Re: NullReferenceException: Object reference not set to an instance... in QlikView https://community.qlik.com/t5/QlikView/NullReferenceException-Object-reference-not-set-to-an-instance/m-p/524628#M1269041 <HTML><HEAD></HEAD><BODY><P>Formerly there was a tool "Ops Monitor" which was monitoring various parameter like the performance from CPU, RAM and so on. Today I believe it is included here: <A href="https://community.qlik.com/docs/DOC-4002">QlikView Governance Dashboard 1.0</A></P><P></P><P>- Marcus</P></BODY></HTML> Mon, 16 Sep 2013 11:49:12 GMT marcus_sommer 2013-09-16T11:49:12Z NullReferenceException: Object reference not set to an instance... https://community.qlik.com/t5/QlikView/NullReferenceException-Object-reference-not-set-to-an-instance/m-p/524627#M1269039 <HTML><HEAD></HEAD><BODY><P>Hi there,</P><P></P><P>quite often I get the following error during reload of a QlikView document via scheduler:</P><P></P><P><EM>The task "xyz.qvw" failed. Part of the log file follows:</EM></P><P></P><OL style="list-style-type: decimal;"><LI><EM>15.09.2013 20:41:01 Error&nbsp;&nbsp; Exception=System.NullReferenceException: Object reference not set to an instance of an object.</EM></LI></OL><P><EM>&nbsp;&nbsp; at Wrappers.QVSWrapper.GetPhysicalPath(String documentName)</EM></P><P><EM>&nbsp;&nbsp; at QDSMain.DistributeTask.InternalExecute(ILogBucket i_LogBucket, TaskResult currentTaskResult)</EM></P><P><EM>&nbsp;&nbsp; at QDSMain.AbstractTask.InternalExecute2(ILogBucket i_LogBucket, TaskResult currentTaskResult)</EM></P><OL style="list-style-type: decimal;"><LI><EM>15.09.2013 20:41:01 Error&nbsp;&nbsp; The task "xyz.qvw" failed. ErrorCount=1</EM></LI></OL><P><EM><BR /></EM></P><P>The issue is absolutely nondeterministic to me. It can happen with any task at any time. When the issue is happening, most likely there are more than two tasks affected. After a while the issue disappears by itself and the reload of the document is successful.</P><P>My guess would be that some memory limit or any other limit is reached and QlikView is throwing this general error. Does anyone have an idea, in which direction I can investigate or which point in the configuration I could tune? In the server-log I cannot find anything.</P><P><EM><BR /></EM></P><P>We are using QlikView 10.<EM><BR /></EM></P></BODY></HTML> Mon, 26 Jan 2026 18:19:17 GMT https://community.qlik.com/t5/QlikView/NullReferenceException-Object-reference-not-set-to-an-instance/m-p/524627#M1269039 2026-01-26T18:19:17Z Re: NullReferenceException: Object reference not set to an instance... https://community.qlik.com/t5/QlikView/NullReferenceException-Object-reference-not-set-to-an-instance/m-p/524628#M1269041 <HTML><HEAD></HEAD><BODY><P>Formerly there was a tool "Ops Monitor" which was monitoring various parameter like the performance from CPU, RAM and so on. Today I believe it is included here: <A href="https://community.qlik.com/docs/DOC-4002">QlikView Governance Dashboard 1.0</A></P><P></P><P>- Marcus</P></BODY></HTML> Mon, 16 Sep 2013 11:49:12 GMT https://community.qlik.com/t5/QlikView/NullReferenceException-Object-reference-not-set-to-an-instance/m-p/524628#M1269041 marcus_sommer 2013-09-16T11:49:12Z Re: NullReferenceException: Object reference not set to an instance... https://community.qlik.com/t5/QlikView/NullReferenceException-Object-reference-not-set-to-an-instance/m-p/524629#M1269043 <HTML><HEAD></HEAD><BODY><P>Can you fix this problem?</P></BODY></HTML> Fri, 16 Jan 2015 16:10:27 GMT https://community.qlik.com/t5/QlikView/NullReferenceException-Object-reference-not-set-to-an-instance/m-p/524629#M1269043 2015-01-16T16:10:27Z