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Java exception error upon launch of Curve Fitting Toolbox

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Daemonic
Daemonic on 22 Oct 2019
Commented: Daemonic on 2 Aug 2021
I'm getting the following errors when attempting to launch the curve fitting toolbox.
Warning: The following error was caught while executing 'sftoolgui.EditFitPanel' class destructor:
Error using sftoolgui.EditFitPanel/delete (line 108)
Java exception occurred:
java.lang.NullPointerException
at com.mathworks.toolbox.curvefit.surfacefitting.SFEditFitPanel.cleanup(SFEditFitPanel.java:306)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.mathworks.jmi.AWTUtilities$Invoker$3$1.call(AWTUtilities.java:525)
at com.mathworks.mvm.context.ThreadContext.callWithContext(ThreadContext.java:105)
at com.mathworks.mvm.context.MvmContext.callWithContext(MvmContext.java:113)
at com.mathworks.jmi.AWTUtilities$Invoker$3.runWithOutput(AWTUtilities.java:522)
at com.mathworks.jmi.AWTUtilities$Invoker$2.watchedRun(AWTUtilities.java:475)
at com.mathworks.jmi.AWTUtilities$WatchedRunnable.run(AWTUtilities.java:436)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Error in sftoolgui.FitFigure>iCreatePanels (line 217)
this.HFittingPanel = sftoolgui.EditFitPanel(this.Handle, ...
Error in sftoolgui.FitFigure (line 79)
this = iCreatePanels(this);
Error in sftoolgui.sftool/fitAdded (line 146)
fitFigure = sftoolgui.FitFigure(h, evt.HFitdev, []);
Error in sftoolgui.sftool>@(s,e)h.fitAdded(e) (line 83)
h.createListener(fm, 'FitAdded', @(s, e) h.fitAdded( e ) );
Error in sftoolgui.FitsManager/newFit (line 35)
notify (this, 'FitAdded', sftoolgui.FitEventData( hFitdev ));
Error in sftool_v1 (line 72)
h.HFitsManager.newFit( data );
Error in cftool>iStartSFTOOL (line 51)
application = sftool_v1( varaibles, names );
Error in cftool (line 41)
theApplication = iStartSFTOOL( varargin, names );
> In sftoolgui.FitFigure>iCreatePanels (line 217)
In sftoolgui.FitFigure (line 79)
In sftoolgui.sftool/fitAdded (line 146)
In sftoolgui.sftool>@(s,e)h.fitAdded(e) (line 83)
In sftoolgui.FitsManager/newFit (line 35)
In sftool_v1 (line 72)
In cftool>iStartSFTOOL (line 51)
In cftool (line 41)
Warning: Error occurred while executing the listener callback for event FitAdded defined for class
sftoolgui.FitsManager:
Undefined function 'isnan' for input arguments of type 'string'.
Error in replace
Error in mat2str (line 101)
values = replace(values, "'", "''");
Error in sftoolgui.util.javaNameValuePairs (line 37)
args{end+1} = mat2str( optionValue ); %#ok<AGROW>
Error in sftoolgui.UpdateGUIVisitor>iSetFittype (line 171)
sftoolgui.util.javaNameValuePairs(type, options), ...
Error in sftoolgui.UpdateGUIVisitor/visitLibrarySpecification (line 32)
iSetFittype(...
Error in sftoolgui.fittypespec.LibraryCurveSpecification/accept (line 27)
fittypeSpecificationVisitor.visitLibrarySpecification(this);
Error in sftoolgui.EditFitPanel (line 62)
curveSpecification.accept(updateGUIVisitor);
Error in sftoolgui.FitFigure>iCreatePanels (line 217)
this.HFittingPanel = sftoolgui.EditFitPanel(this.Handle, ...
Error in sftoolgui.FitFigure (line 79)
this = iCreatePanels(this);
Error in sftoolgui.sftool/fitAdded (line 146)
fitFigure = sftoolgui.FitFigure(h, evt.HFitdev, []);
Error in sftoolgui.sftool>@(s,e)h.fitAdded(e) (line 83)
h.createListener(fm, 'FitAdded', @(s, e) h.fitAdded( e ) );
Error in sftoolgui.FitsManager/newFit (line 35)
notify (this, 'FitAdded', sftoolgui.FitEventData( hFitdev ));
Error in sftool_v1 (line 72)
h.HFitsManager.newFit( data );
Error in cftool>iStartSFTOOL (line 51)
application = sftool_v1( varaibles, names );
Error in cftool (line 41)
theApplication = iStartSFTOOL( varargin, names );
> In sftoolgui.FitsManager/newFit (line 35)
In sftool_v1 (line 72)
In cftool>iStartSFTOOL (line 51)
In cftool (line 41)
  2 Comments
Daemonic
Daemonic on 2 Mar 2020
Not exactly. We recently switched to an institutional licencse and the issue went away after a fresh install of the toobox with ver 2019a.

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