ListGrid warning - Fields array contains an empty entry

[killfr0g]

I am getting this warning on a ListGrid that is set to show the filter editor, and the grid and group summary. It is causing an issue with the field headers as they are disappearing (or partially viewable).

I'm using SmartGWT 2.5 / GWT 2.3 and testing on Firefox 3.6 and Safari 5. I'm attaching a screenshot of the issue as well as my standalone test case.

Edit:
I have also found this forum post which seems to be the same problem http://forums.smartclient.com/showthread.php?t=18202
The second post links to these two issues that were fixed prior to 2.5 http://code.google.com/p/smartgwt/issues/detail?id=608 http://code.google.com/p/smartgwt/issues/detail?id=611

14:12:30.503 [ERROR] [gwtstandalone] 14:12:30.502:WARN:RecordEditor:isc_ListGrid_0filterEditor:Fields array contains an empty entry

com.smartgwt.client.core.JsObject$SGWT_WARN: 14:12:30.502:WARN:RecordEditor:isc_ListGrid_0filterEditor:Fields array contains an empty entry
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:105)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:167)
    at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:326)
    at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:207)
    at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:132)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:289)
    at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeVoid(JavaScriptHost.java:107)
    at com.smartgwt.client.widgets.BaseWidget.draw(BaseWidget.java)
    at com.davidb.client.Gwtstandalone.onModuleLoad(Gwtstandalone.java:166)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396)
    at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:193)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:510)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352)
    at java.lang.Thread.run(Thread.java:680)

14:12:30.705 [ERROR] [gwtstandalone] 14:12:30.668:WARN:ListGrid:isc_ListGrid_0_summaryRow:Fields array contains an empty entry

com.smartgwt.client.core.JsObject$SGWT_WARN: 14:12:30.668:WARN:ListGrid:isc_ListGrid_0_summaryRow:Fields array contains an empty entry
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:105)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:167)
    at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:326)
    at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:207)
    at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:132)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:289)
    at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeVoid(JavaScriptHost.java:107)
    at com.smartgwt.client.widgets.BaseWidget.draw(BaseWidget.java)
    at com.davidb.client.Gwtstandalone.onModuleLoad(Gwtstandalone.java:166)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396)
    at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:193)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:510)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352)
    at java.lang.Thread.run(Thread.java:680)

//listgrid
		ListGrid listGrid = new ListGrid();
		listGrid.setMargin(10);
		listGrid.setWidth100();
		listGrid.setHeight100();
		
		listGrid.setSelectionAppearance(SelectionAppearance.CHECKBOX);
		listGrid.setSelectOnEdit(false);
		
		listGrid.setCanFreezeFields(true);
		listGrid.setCanMultiSort(true);
		
		listGrid.setCanAutoFitFields(true);
		listGrid.setAutoFitWidthApproach(AutoFitWidthApproach.BOTH);
		
		listGrid.setCanExpandRecords(true);
		listGrid.setCanExpandMultipleRecords(true);
		
		listGrid.setShowAllRecords(false);
		listGrid.setAutoFetchData(false);
		listGrid.setDataFetchMode(FetchMode.LOCAL);
		
		listGrid.setCanEdit(true);
		listGrid.setEditByCell(true);
		listGrid.setEditEvent(ListGridEditEvent.DOUBLECLICK);
		
		listGrid.setGroupStartOpen(GroupStartOpen.NONE);
		listGrid.setGroupByMaxRecords(Integer.MAX_VALUE);
		
		listGrid.setSortField("ID");
		listGrid.setSortDirection(SortDirection.ASCENDING);
		
		listGrid.setShowGridSummary(true);
		listGrid.setShowGroupSummary(true);
		
		listGrid.setAlternateRecordStyles(false);
		listGrid.setShowCustomScrollbars(true);
		listGrid.setLeaveScrollbarGap(true);
		
		listGrid.setShowFilterEditor(true);
		listGrid.setFilterOnKeypress(true);
		
		listGrid.setConfirmDiscardEdits(false);
		listGrid.setConfirmCancelEditing(false);
		
		listGrid.setShowSelectedStyle(false);
		listGrid.setShowRollOver(false);
		
		//DS
		DataSource dataSource = new DataSource();
		dataSource.setClientOnly(true);
		
		DataSourceField dsIdField = new DataSourceIntegerField("ID");
		dsIdField.setPrimaryKey(true);
		dsIdField.setHidden(true);
		
		DataSourceField dsNameField = new DataSourceTextField("NAME");
		DataSourceField dsDeptField = new DataSourceTextField("DEPT");
		DataSourceField dsSalaryField = new DataSourceTextField("SALARY");
		DataSourceField dsDOBField = new DataSourceDateField("DOB");
		
		dataSource.setFields(dsIdField, dsNameField, dsDeptField, dsSalaryField, dsDOBField);
		
		listGrid.setDataSource(dataSource);
		
		//fields
		ListGridField idField = new ListGridField("ID", "ID");
		idField.setWidth(50);
		idField.setCanEdit(false);
		idField.setShowGridSummary(false);
		idField.setShowGroupSummary(false);
		idField.setHidden(true);
		
		ListGridField nameField = new ListGridField("NAME", "Name");
		nameField.setWidth(125);
		nameField.setCanEdit(false);
		nameField.setShowGridSummary(true);
		nameField.setShowGroupSummary(true);
		nameField.setShowHover(true);

		ListGridField deptField = new ListGridField("DEPT", "Department");
		deptField.setWidth("*");
		deptField.setCanEdit(false);
		deptField.setShowGridSummary(true);
		deptField.setShowGroupSummary(true);
		deptField.setShowHover(true);
		deptField.setSummaryFunction(new SummaryFunction() {
			
			@Override
			public Object getSummaryValue(Record[] records, ListGridField field) {
				//find distinct departments
				HashSet<String> depts = new HashSet<String>();
				for(Record rec:records) {
					depts.add(rec.getAttribute(field.getName()));
				}
				return depts.size() + " departments";
			}
		});
		
		ListGridField salaryField = new ListGridField("SALARY", "Salary");
		salaryField.setWidth(100);
		salaryField.setAlign(Alignment.CENTER);
		salaryField.setCanEdit(true);
		salaryField.setShowGridSummary(true);
		salaryField.setShowGroupSummary(true);
		salaryField.setSummaryFunction(new SummaryFunction() {
			
			@Override
			public Object getSummaryValue(Record[] records, ListGridField field) {
				int total = 0;
				for(Record rec:records) {
					total += rec.getAttributeAsInt(field.getName());
				}
				return total + " salary";
			}
		});
		
		ListGridField dobField = new ListGridField("DOB", "Date of Birth");
		dobField.setWidth(100);
		dobField.setAlign(Alignment.LEFT);
		dobField.setCanEdit(false);
		dobField.setShowGridSummary(false);
		dobField.setShowGroupSummary(false);
		dobField.setDateFormatter(DateDisplayFormat.TOEUROPEANSHORTDATETIME);
		
		listGrid.setFields(idField, nameField, deptField, salaryField, dobField);
		
		//main layout
		VLayout mainLayout = new VLayout();
		mainLayout.setWidth100();
		mainLayout.setHeight100();
		mainLayout.addMember(listGrid);
		mainLayout.draw();

[gregbenolkin]

I get the same warning with the 8/16 build of SmartGWT Power. If I set the setShowRowNumbers(true) and setShowFilterEditor(true) then I get the warning. If I set setShowRowNumbers(false) and setShowFilterEditor(true) then the warning does not show.

FF 5.0.1 and Chrome 13.0.782.112

I am not able to test Safari Version 5.1 because of the GWT plugin problem with the newest version of Safari.

Smart GWT Power 2.5 GWT 2.3

[Isomorphic]

The warning can be safely ignored for now - we'll be fixing this in the near future.
However, with the nightly builds on the 2.x branch, you should no longer be seeing the rendering bug whereby there is a gap between the grid body and the summary row with the latest nightly build(s) - if you are still seeing this (or are seeing any other user-visible odd effects), please let us know.

[atomatom]

The warning/error still remains, this is with 2.x from 14 Dec.

Any insight on what this error is actually complaining about?

[ERROR] [kjdggkfagdfags] - 15:42:57.221:MDN0[E]:WARN:RecordEditor:isc_ListGrid_3filterEditor:Fields array contains an empty entry

com.smartgwt.client.core.JsObject$SGWT_WARN: 15:42:57.221:MDN0[E]:WARN:RecordEditor:isc_ListGrid_3filterEditor:Fields array contains an empty entry
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:105)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:167)
    at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:281)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:531)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352)
    at java.lang.Thread.run(Thread.java:662)