[dtp-dev] Could not acquire children from extension: org.eclipse.datatoo

["Kiran Babu" <ikiranbabu@xxxxxxxxx>]

Hi,

how can i customize the data source explorer

 

i am getting these expections while i am customizing the Datasource Explore.please help in this  issue..what i have to do to get the Data source Explorer content to othere database..

 

java.lang.NullPointerException
 at java.util.TreeMap.compare(TreeMap.java:1085)
 at java.util.TreeMap.getEntry(TreeMap.java:345)
 at java.util.TreeMap.get(TreeMap.java:264)
 at org.eclipse.datatools.connectivity.sqm.internal.core.definition.DatabaseDefinitionRegistryImpl.getDefinition (DatabaseDefinitionRegistryImpl.java:69)
 at org.eclipse.datatools.connectivity.sqm.internal.core.definition.DatabaseDefinitionRegistryImpl.getDefinition(DatabaseDefinitionRegistryImpl.java:65)
 at org.eclipse.datatools.connectivity.sqm.server.internal.ui.explorer.providers.content.layout.vnode.ServerExplorerVNodeContentProviderNav.getDatabaseDefinition (ServerExplorerVNodeContentProviderNav.java:60)
 at org.eclipse.datatools.connectivity.sqm.server.internal.ui.explorer.providers.content.layout.vnode.ServerExplorerVNodeContentProviderNav.displaySchemaChildren(ServerExplorerVNodeContentProviderNav.java :120)
 at org.eclipse.datatools.connectivity.sqm.server.internal.ui.explorer.providers.content.layout.AbstractOnDemandContentProviderNav.getChildren(AbstractOnDemandContentProviderNav.java:129)
 at org.eclipse.datatools.connectivity.sqm.server.internal.ui.explorer.providers.content.layout.AbstractOnDemandContentProviderNav.getChildren (AbstractOnDemandContentProviderNav.java:240)
 at org.eclipse.datatools.connectivity.sqm.server.internal.ui.explorer.providers.content.layout.AbstractLayoutProviderNav.getChildren(AbstractLayoutProviderNav.java:88)
 at org.eclipse.datatools.connectivity.sqm.server.internal.ui.explorer.providers.content.impl.ServerExplorerContentProviderNav.getChildren(ServerExplorerContentProviderNav.java:226)
 at org.eclipse.datatools.connectivity.ui.CommonContentProviderBase.getChildren (CommonContentProviderBase.java:175)
 at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:91)
 at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren (SafeDelegateTreeContentProvider.java:281)
 at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getChildren(SafeDelegateTreeContentProvider.java:89)
 at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.internalGetChildren (NavigatorContentServiceContentProvider.java:243)
 at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.getChildren(NavigatorContentServiceContentProvider.java:635)
 at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren (AbstractTreeViewer.java:1151)
 at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:768)
 at org.eclipse.jface.viewers.AbstractTreeViewer.getFilteredChildren(AbstractTreeViewer.java:565)
 at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren (AbstractTreeViewer.java:534)
 at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:717)
 at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
 at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren (AbstractTreeViewer.java:696)
 at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:892)
 at org.eclipse.jface.viewers.AbstractTreeViewer.handleTreeExpand(AbstractTreeViewer.java:1240)
 at org.eclipse.jface.viewers.AbstractTreeViewer$4.treeExpanded (AbstractTreeViewer.java:1252)
 at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:181)
 at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
 at org.eclipse.swt.widgets.Widget.sendEvent (Widget.java:928)
 at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:952)
 at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:937)
 at org.eclipse.swt.widgets.Tree.wmNotifyChild(Tree.java:6254)
 at org.eclipse.swt.widgets.Control.WM_NOTIFY(Control.java:3794)
 at org.eclipse.swt.widgets.Composite.WM_NOTIFY(Composite.java:1166)
 at org.eclipse.swt.widgets.Control.windowProc(Control.java:3298)
 at org.eclipse.swt.widgets.Display.windowProc (Display.java:4025)
 at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
 at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:1842)
 at org.eclipse.swt.widgets.Tree.callWindowProc(Tree.java :1319)
 at org.eclipse.swt.widgets.Tree.WM_LBUTTONDOWN(Tree.java:5171)
 at org.eclipse.swt.widgets.Control.windowProc(Control.java:3279)
 at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:4768)
 at org.eclipse.swt.widgets.Display.windowProc (Display.java:4025)
 at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
 at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1923)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :2966)
 at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
 at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java :419)
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
 at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
 at org.eclipse.core.internal.runtime.PlatformActivator$1.run (PlatformActivator.java:78)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java :68)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
 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:324)
 at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
 at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
 at org.eclipse.core.launcher.Main.run(Main.java:977)
 at org.eclipse.core.launcher.Main.main (Main.java:952)
--
Thanks
Kiran