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[news.eclipse.platform] Re: tableviewer error on events ... eclipse 3.3.2
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Does your Model object overload #hashCode? The hashCode has to be stable
and not change.
Tom
Kar schrieb:
> Tom sorry to bother but could u tell me (if u know) the bit of code that
> creates the TableItem when I set the input to the view ...
> just to see if something is doing wrong during the creation ...
> this think is driving me crazy ...
>
> in the mean time I will try do debug the setinput (of the wrong list)
> and see if everything is correct ...
>
> thanks
>
>
> "Kar" <carmeloscala@xxxxxxxxxxx> wrote in message
> news:gemm0t$1m7$1@xxxxxxxxxxxxxxxxxxxx
>> I believe there is still some problem with the list of item I'm
>> passing to the table viewer ...
>> the same list that was giving me problem before (that works removing
>> the virtual attribute) now is giving me problem when a new input is
>> set in the viewer ...
>>
>> just to be clear ...
>> the table viewer has got the list of item that was generating the
>> error before:
>> now when I select a new input I get this error (and again ... I can
>> see that he is trying to disassociate a null element)
>>
>> where should I look ... for sure the items in the list ARE NOT NULL ...
>> can it be some problem due to object hash????
>>
>> thanks
>>
>> org.eclipse.core.runtime.AssertionFailedException: null argument:
>> at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:84)
>> at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:72)
>> at
>> org.eclipse.jface.viewers.StructuredViewer.disassociate(StructuredViewer.java:618)
>>
>> at
>> org.eclipse.jface.viewers.AbstractTableViewer.internalRefreshAll(AbstractTableViewer.java:711)
>>
>> at
>> org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:633)
>>
>> at
>> org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:620)
>>
>> at
>> org.eclipse.jface.viewers.AbstractTableViewer$2.run(AbstractTableViewer.java:576)
>>
>> at
>> org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1368)
>>
>> at
>> org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1330)
>>
>> at
>> org.eclipse.jface.viewers.AbstractTableViewer.inputChanged(AbstractTableViewer.java:574)
>>
>> at
>> org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:251)
>> at
>> org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1606)
>>
>>
>> "Tom Schindl" <tom.schindl@xxxxxxxxxxxxxxx> wrote in message
>> news:gemlgk$rs5$1@xxxxxxxxxxxxxxxxxxxx
>>> Maybe because there is/was a bug in 3.3.2? We fixed some
>>> Virtual-Problems in 3.4.
>>>
>>> Tom
>>>
>>> Kar schrieb:
>>>> Hi Tom
>>>> error removed ... but still don't understand why
>>>>
>>>> I was using the type SWT.VIRTUAL creating the table ...
>>>>
>>>> TableViewer viewer = new TableViewer(parent, SWT.H_SCROLL |
>>>> SWT.V_SCROLL
>>>> | SWT.BORDER
>>>> | SWT.FULL_SELECTION | SWT.MULTI);
>>>>
>>>> Removing virtual I don't see the error anymore ...
>>>> why?
>>>>
>>>> "Tom Schindl" <tom.schindl@xxxxxxxxxxxxxxx> wrote in message
>>>> news:gemjn0$f4l$1@xxxxxxxxxxxxxxxxxxxx
>>>>> What's the content around line CustomHashtable 264? Looks like you are
>>>>> inserting an NULL value and TableViewer can't deal with
>>>>> null-references.
>>>>>
>>>>> Tom
>>>>>
>>>>> Kar schrieb:
>>>>>> Hi all
>>>>>>
>>>>>> I'm having a weird problem with my table viewer .
>>>>>> Based on a selection event (the selection comes from a different
>>>>>> view) .
>>>>>> the table view is populated with a list of objects. .
>>>>>>
>>>>>> Usually it works but there is an object that generates this error ...
>>>>>> what am I doing wrong?
>>>>>>
>>>>>> java.lang.NullPointerException
>>>>>> at
>>>>>> org.eclipse.jface.viewers.CustomHashtable.hashCode(CustomHashtable.java:264)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.jface.viewers.CustomHashtable.get(CustomHashtable.java:236)
>>>>>>
>>>>>> at
>>>>>> org.eclipse.jface.viewers.StructuredViewer.mapElement(StructuredViewer.java:1243)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.jface.viewers.StructuredViewer.associate(StructuredViewer.java:605)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.jface.viewers.AbstractTableViewer$1.handleEvent(AbstractTableViewer.java:83)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
>>>>>> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
>>>>>> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:962)
>>>>>> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:947)
>>>>>> at org.eclipse.swt.widgets.Table.checkData(Table.java:811)
>>>>>> at org.eclipse.swt.widgets.Table.wmNotifyChild(Table.java:5882)
>>>>>> at org.eclipse.swt.widgets.Control.wmNotify(Control.java:4563)
>>>>>> at
>>>>>> org.eclipse.swt.widgets.Composite.wmNotify(Composite.java:1581)
>>>>>> at org.eclipse.swt.widgets.Control.WM_NOTIFY(Control.java:4216)
>>>>>> at org.eclipse.swt.widgets.Control.windowProc(Control.java:3724)
>>>>>> at org.eclipse.swt.widgets.Display.windowProc(Display.java:4364)
>>>>>> at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native
>>>>>> Method)
>>>>>> at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:2179)
>>>>>> at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:261)
>>>>>> at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:189)
>>>>>> at org.eclipse.swt.widgets.Control.windowProc(Control.java:3760)
>>>>>> at org.eclipse.swt.widgets.Table.windowProc(Table.java:5025)
>>>>>> at org.eclipse.swt.widgets.Display.windowProc(Display.java:4364)
>>>>>> at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native
>>>>>> Method)
>>>>>> at
>>>>>> org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2265)
>>>>>> at
>>>>>> org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3291)
>>>>>> at
>>>>>> org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
>>>>>> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
>>>>>> at
>>>>>> org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
>>>>>> at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
>>>>>> at
>>>>>> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
>>>>>> at
>>>>>> com.xxx.workbench.application.Application.start(Application.java:75)
>>>>>> at
>>>>>> org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at
>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
>>>>>>
>>>>>>
>>>>>>
>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>>>>>> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
>>>>>> Source)
>>>>>> at java.lang.reflect.Method.invoke(Unknown Source)
>>>>>> at
>>>>>> org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
>>>>>> at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
>>>>>> at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
>>>>>> at org.eclipse.equinox.launcher.Main.main(Main.java:1148)
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> B e s t S o l u t i o n . at
>>>>> --------------------------------------------------------------------
>>>>> Tom Schindl JFace-Committer
>>>>> --------------------------------------------------------------------
>>>>
>>>
>>>
>>> --
>>> B e s t S o l u t i o n . at
>>> --------------------------------------------------------------------
>>> Tom Schindl JFace-Committer
>>> --------------------------------------------------------------------
>>
--
B e s t S o l u t i o n . at
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Tom Schindl JFace-Committer
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