Can't create model in Web Dynpro

Hi all,

I want to create a model in a web dynpro project.

When i click the "models" --> "Create Model" in the , it appear below error.

===================================================

Internal error

Plugin name :Web Dynpro Model Editor

Plugin ID : com.sap.ide.webdynpro.modeleditor

Class : com.sap.ide.webdynpro.modeleditor.ModelEditorCallback

Method : createModel

Exception : java.lang.NullPointerException: null

===================================================

In the log file :

======================================================

com.sap.ide.webdynpro.ui.service.ServicesUI [Thread[main,5,main]] Error: Internal error

Plugin name: Web Dynpro Model Editor

Plugin ID : com.sap.ide.webdynpro.modeleditor

Class : com.sap.ide.webdynpro.modeleditor.ModelEditorCallback

Method : createModel

Message : An error ocurred. See error log for more details.

Exception : java.lang.NullPointerException: null

!STACK 0

java.lang.NullPointerException

at com.sap.ide.jcb.core.service.SAPLogonHelper.<init>(SAPLogonHelper.java:48)

at com.sap.ide.jcb.core.wizardpages.SAPLogonPage$MessageServerPane.fillUpLoadBalancingPaneSystems(SAPLogonPage.java:1003)

at com.sap.ide.jcb.core.wizardpages.SAPLogonPage$MessageServerPane.show(SAPLogonPage.java:303)

at com.sap.ide.jcb.core.wizardpages.SAPLogonPage.createControl(SAPLogonPage.java:91)

at com.sap.ide.webdynpro.modeleditor.wizards.model.creation.ModelWizard.createPageControls(ModelWizard.java:408)

at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:524)

at org.eclipse.jface.wizard.WizardDialog.createContents(WizardDialog.java:473)

at org.eclipse.jface.window.Window.create(Window.java:302)

at org.eclipse.jface.window.Window.open(Window.java:552)

at com.sap.ide.webdynpro.modeleditor.ModelEditorCallback.createModel(ModelEditorCallback.java:52)

at com.sap.ide.webdynpro.service.modeleditor.ModelService.createModelWithUI(ModelService.java:70)

at com.sap.ide.webdynpro.service.modeleditor.ServiceWithUI.createModel(ServiceWithUI.java:49)

at com.sap.ide.webdynpro.tsmodel.application.provider.ModelNodeProvider.createUniqueName(ModelNodeProvider.java:55)

at com.tssap.selena.impl.model.elements.EntityImpl.createChildEntityUin(EntityImpl.java:936)

at com.tssap.selena.impl.model.elements.EntityImpl.createChildEntity(EntityImpl.java:502)

at com.sap.ide.webdynpro.tsmodel.application.actions.CreationAction.runInternal(CreationAction.java:76)

at com.sap.ide.webdynpro.tsmodel.application.actions.CreationAction.access$000(CreationAction.java:24)

at com.sap.ide.webdynpro.tsmodel.application.actions.CreationAction$1.run(CreationAction.java:51)

at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1595)

at com.sap.ide.webdynpro.tsmodel.application.actions.CreationAction.run(CreationAction.java:57)

at com.sap.ide.webdynpro.projectbrowser.actions.PBCreateModelAction.run(PBCreateModelAction.java:95)

at com.tssap.selena.model.extension.action.SelenaActionCollector$GenericElementActionWrapper.run(SelenaActionCollector.java:224)

at com.tssap.util.ui.menu.MenuFactory$MuSiAction.saveRunAction(MenuFactory.java:1425)

at com.tssap.util.ui.menu.MenuFactory$MuSiAction.run(MenuFactory.java:1407)

at com.tssap.util.ui.menu.MenuFactory$DelegateAction.processInternal(MenuFactory.java:616)

at com.tssap.util.ui.menu.MenuFactory$DelegateAction.access$100(MenuFactory.java:586)

at com.tssap.util.ui.menu.MenuFactory$DelegateAction$BusyProcessWorker.run(MenuFactory.java:716)

at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)

at com.tssap.util.ui.menu.MenuFactory$DelegateAction.process(MenuFactory.java:610)

at com.tssap.util.ui.menu.internal.MenuListenerFactory$ProcessAdapter.widgetSelected(MenuListenerFactory.java:172)

at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:89)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:81)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:840)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2022)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1729)

at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1402)

at org.eclipse.ui.internal.Workbench.run(Workbench.java:1385)

at com.tssap.util.startup.WBLauncher.run(WBLauncher.java:79)

at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:858)

at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)

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 com.sap.ide.eclipse.startup.Main.basicRun(Main.java:291)

at com.sap.ide.eclipse.startup.Main.run(Main.java:789)

at com.sap.ide.eclipse.startup.Main.main(Main.java:607)

=============================================================

NWDS

Version: 7.0.13

Build id: 200708072056

OS

Window Vista Home Basic 32bit

Could anyone help me?

Regards.

Wenjr

Message was edited by:

wenjr wu