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Re: [dsdp-mtj-dev] Problem persisting devices
Hi,

we have found this issue too. The problem is that the org.eclipse.mtj.toolkit.uei.internal.UEIDeviceInternal has no default constructor and this breaks the persistence loading.
We have already fixed this issue in the svn HEAD and since we are doing so mutch refactoring and API enhancementes I also created a series of migrators (org.eclipse.mtj.internal.core.util.migration package) for the persistence files o avoid more errors.


Diego

On Thu, Mar 5, 2009 at 9:40 PM, Craig Setera <craigjunk@xxxxxxxxxx> wrote:
Looks like some refactoring maybe?

"Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated because it is an interface or is an abstract class. "

I have to assume that this isn't an interface, so I'm wondering if it was turned into an abstract class somewhere along the way?

Jon Dearden wrote:

Hi all,

 

Using 1.0M5, I seem to get some persistence problems when I have managed devices once successfully and then go to do it again. It seems that the DeviceRegistry has trouble trying to load the device info from Devices.xml. Has anyone else seen this?

Regards,

Jon

!ENTRY org.eclipse.mtj.core 4 0 2009-03-05 16:36:54.563

!MESSAGE InstantiationException: org.eclipse.mtj.toolkit.uei.internal.UEIDeviceInternal

!STACK 0

org.eclipse.mtj.core.persistence.PersistenceException: InstantiationException: org.eclipse.mtj.toolkit.uei.internal.UEIDeviceInternal

            at org.eclipse.mtj.core.internal.persistence.XMLPersistenceProvider.createPersistableInstance(XMLPersistenceProvider.java:353)

            at org.eclipse.mtj.core.internal.persistence.XMLPersistenceProvider.loadPersistable(XMLPersistenceProvider.java:134)

            at org.eclipse.mtj.core.model.device.DeviceRegistry.loadUsing(DeviceRegistry.java:258)

            at org.eclipse.mtj.core.model.device.DeviceRegistry.load(DeviceRegistry.java:236)

            at org.eclipse.mtj.ui.internal.preferences.DeviceManagementPreferencePage.createContents(DeviceManagementPreferencePage.java:786)

            at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:235)

            at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1468)

            at org.eclipse.jface.preference.PreferenceDialog$14.run(PreferenceDialog.java:1225)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)

            at org.eclipse.core.runtime.Platform.run(Platform.java:880)

            at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)

            at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)

            at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1219)

            at org.eclipse.jface.preference.PreferenceDialog$10.run(PreferenceDialog.java:702)

            at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

            at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:698)

            at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:842)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)

            at org.eclipse.core.runtime.Platform.run(Platform.java:880)

            at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)

            at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)

            at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:840)

            at org.eclipse.jface.viewers.StructuredViewer.setSelection(StructuredViewer.java:1639)

            at org.eclipse.jface.viewers.TreeViewer.setSelection(TreeViewer.java:1104)

            at org.eclipse.jface.preference.PreferenceDialog.selectSavedItem(PreferenceDialog.java:1021)

            at org.eclipse.jface.preference.PreferenceDialog$4.run(PreferenceDialog.java:369)

            at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

            at org.eclipse.jface.preference.PreferenceDialog.createContents(PreferenceDialog.java:365)

            at org.eclipse.jface.window.Window.create(Window.java:431)

            at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1089)

            at org.eclipse.jface.window.Window.open(Window.java:790)

            at org.eclipse.mtj.ui.devices.DeviceSelector$2.widgetSelected(DeviceSelector.java:463)

            at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228)

            at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)

            at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)

            at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)

            at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)

            at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)

            at org.eclipse.jface.window.Window.open(Window.java:801)

            at org.eclipse.mtj.ui.configurations.ConfigManageComponent.addConfiguration(ConfigManageComponent.java:195)

            at org.eclipse.mtj.ui.configurations.ConfigManageComponent.access$1(ConfigManageComponent.java:185)

            at org.eclipse.mtj.ui.configurations.ConfigManageComponent$2.widgetSelected(ConfigManageComponent.java:380)

            at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228)

            at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)

            at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)

            at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)

            at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)

            at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382)

            at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346)

            at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)

            at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)

            at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)

            at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)

            at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)

            at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)

            at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)

            at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)

            at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)

            at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)

            at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)

            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:549)

            at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)

            at org.eclipse.equinox.launcher.Main.run(Main.java:1236)

            at org.eclipse.equinox.launcher.Main.main(Main.java:1212)

Caused by: java.lang.InstantiationException: org.eclipse.mtj.toolkit.uei.internal.UEIDeviceInternal

            at java.lang.Class.newInstance0(Unknown Source)

            at java.lang.Class.newInstance(Unknown Source)

            at org.eclipse.mtj.core.internal.persistence.XMLPersistenceProvider.createPersistableInstance(XMLPersistenceProvider.java:350)

            ... 67 more

 

 

---

Senior Software Developer, Eclipse Tools

Research In Motion

905-629-4746 x15333 / Mobile: 519 500-23167

jdearden@xxxxxxx

 

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