[udig-devel] AssertionError from LayerImpl

Jesse Eichar jeichar at refractions.net
Tue Aug 29 13:29:20 PDT 2006 

Are you using an sdk or are you working against trunk?

Jesse

On 29-Aug-06, at 1:20 PM, Nils Liebelt wrote:

> Hi,
>
> I implemented a custom IService. The service seems to work fine. I  
> can add it and browse its GeoResource. But when adding a resource  
> by drag'n'drop or programmatically I get following AssertionError  
> from the LayerImpl. The AssertionErrors is followed by unlimited  
> NPEs thrown by releaseLock() Method of the same class. In RC2 this  
> ended in a StackoverflowError. I am really stuck on this one.
>
> Regards,
>
> Nils
>
>
> ENTRY net.refractions.udig.project 1 0 2006-08-29 21:47:56.265
> !MESSAGE Error getting layer resources
> !STACK 0
> org.eclipse.swt.SWTException: Failed to execute runnable  
> (java.lang.AssertionError: Infinate loop detected, thread that is  
> loading GeoResources is attempting to call getGeoResources())
> 	at org.eclipse.swt.SWT.error(SWT.java:2942)
> 	at org.eclipse.swt.SWT.error(SWT.java:2865)
> 	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages 
> (Synchronizer.java:126)
> 	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java: 
> 3102)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2761)
> 	at net.refractions.udig.ui.PlatformGIS.runBlockingOperation 
> (Unknown Source)
> 	at  
> net.refractions.udig.project.internal.impl.LayerImpl.getGeoResources 
> (Unknown Source)
> 	at net.refractions.udig.project.internal.impl.LayerImpl.isType 
> (Unknown Source)
> 	at  
> net.refractions.udig.render.internal.wms.basic.BasicWMSMetricsFactory2 
> .canRender(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.RendererCreatorImpl$ 
> InternalRenderMetricsFactory.canRender(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.RendererCreatorImpl$ 
> Processor.process(Unknown Source)
> 	at net.refractions.udig.core.internal.ExtensionPointUtil.process 
> (Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.RendererCreatorImpl. 
> initFactories(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.RendererCreatorImpl. 
> initRenderMetrics(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.RendererCreatorImpl. 
> createConfiguration(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.RendererCreatorImpl. 
> changed(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.RenderManagerDynamic.initRend 
> erCreator(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.RenderManagerDynamic.initRend 
> erExecutor(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.RenderManagerDynamic.validate 
> RendererConfiguration(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.RenderManagerDynamic.refresh( 
> Unknown Source)
> 	at net.refractions.udig.project.ui.internal.RenderManagerAdapters 
> $1.refreshDirtyArea(Unknown Source)
> 	at net.refractions.udig.project.ui.internal.RenderManagerAdapters 
> $1.notifyChanged(Unknown Source)
> 	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify 
> (BasicNotifierImpl.java:229)
> 	at  
> net.refractions.udig.project.internal.render.impl.ViewportModelImpl.fi 
> reNotification(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.ViewportModelImpl.se 
> tBounds(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.ViewportModelImpl.zo 
> omToBox(Unknown Source)
> 	at  
> net.refractions.udig.project.internal.render.impl.ViewportModelImpl.si 
> zeChanged(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.render.displayAdapter.impl.Ev 
> entJob.sendResized(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.render.displayAdapter.impl.Ev 
> entJob.runEvent(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.render.displayAdapter.impl.Ev 
> entJob.fire(Unknown Source)
> 	at  
> net.refractions.udig.project.ui.internal.render.displayAdapter.impl.Ev 
> entHandler$1.run(Unknown Source)
> 	at org.eclipse.swt.widgets.Display.runTimer(Display.java:3167)
> 	at org.eclipse.swt.widgets.Display.messageProc(Display.java:2503)
> 	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
> 	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1656)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2756)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java: 
> 1699)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench 
> (Workbench.java:367)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java: 
> 143)
> 	at net.refractions.udig.internal.ui.UDIGApplication.run(Unknown  
> Source)
> 	at org.eclipse.core.internal.runtime.PlatformActivator$1.run 
> (PlatformActivator.java:226)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run 
> (EclipseStarter.java:376)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run 
> (EclipseStarter.java:163)
> 	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.core.launcher.Main.invokeFramework(Main.java:334)
> 	at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
> 	at org.eclipse.core.launcher.Main.run(Main.java:973)
> 	at org.eclipse.core.launcher.Main.main(Main.java:948)
> Caused by: java.lang.AssertionError: Infinate loop detected, thread  
> that is loading GeoResources is attempting to call getGeoResources()
> 	at net.refractions.udig.project.internal.impl.LayerImpl.getLock 
> (Unknown Source)
> 	at  
> net.refractions.udig.project.internal.impl.LayerImpl.getGeoResources 
> (Unknown Source)
> 	at  
> net.refractions.udig.project.internal.impl.LayerImpl.getGeoResource 
> (Unknown Source)
> 	at  
> net.refractions.udig.project.internal.provider.LayerItemProvider.getTe 
> xt(Unknown Source)
> 	at  
> org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider.getText 
> (AdapterFactoryLabelProvider.java:200)
> 	at org.eclipse.jface.viewers.DecoratingLabelProvider.getText 
> (DecoratingLabelProvider.java:118)
> 	at  
> net.refractions.udig.project.ui.AdapterFactoryLabelProviderDecorator.g 
> etText(Unknown Source)
> 	at org.eclipse.jface.viewers.DecoratingLabelProvider.updateLabel 
> (DecoratingLabelProvider.java:208)
> 	at org.eclipse.jface.viewers.StructuredViewer.buildLabel 
> (StructuredViewer.java:1855)
> 	at org.eclipse.jface.viewers.TreeViewer.doUpdateItem 
> (TreeViewer.java:228)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer 
> $UpdateItemSafeRunnable.run(AbstractTreeViewer.java:85)
> 	at org.eclipse.core.internal.runtime.InternalPlatform.run 
> (InternalPlatform.java:1044)
> 	at org.eclipse.core.runtime.Platform.run(Platform.java:783)
> 	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
> 	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:148)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem 
> (AbstractTreeViewer.java:621)
> 	at org.eclipse.jface.viewers.StructuredViewer 
> $UpdateItemSafeRunnable.run(StructuredViewer.java:434)
> 	at org.eclipse.core.internal.runtime.InternalPlatform.run 
> (InternalPlatform.java:1044)
> 	at org.eclipse.core.runtime.Platform.run(Platform.java:783)
> 	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
> 	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:148)
> 	at org.eclipse.jface.viewers.StructuredViewer.updateItem 
> (StructuredViewer.java:1763)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.updateChildren 
> (AbstractTreeViewer.java:1782)
> 	at  
> org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct 
> (AbstractTreeViewer.java:1268)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh 
> (AbstractTreeViewer.java:1245)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh 
> (AbstractTreeViewer.java:1201)
> 	at org.eclipse.jface.viewers.StructuredViewer$8.run 
> (StructuredViewer.java:1291)
> 	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection 
> (StructuredViewer.java:1201)
> 	at org.eclipse.jface.viewers.CheckboxTreeViewer.preservingSelection 
> (CheckboxTreeViewer.java:364)
> 	at org.eclipse.jface.viewers.StructuredViewer.refresh 
> (StructuredViewer.java:1289)
> 	at org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider 
> $ViewerRefresh.run(AdapterFactoryContentProvider.java:305)
> 	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
> 	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages 
> (Synchronizer.java:123)
> 	... 49 more
>
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