[SOLVED] NullPointerException in DeploymentManager

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This topic has 1 reply, 1 voice, and was last updated 19 years, 3 months ago by Mike Haller.

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July 25, 2005 at 2:10 am #233552 Reply

Mike Haller

Member

NullPointerException in MyEclipseIDE while trying to create a new Deploy Location for a J2EE project. Other projects work fine, but a single project is not working. I can’t deploy it, because MyEclipseIDE doesn’t enable the Finish-button for deploying after selecting the target location (e.g. Tomcat 5)


!ENTRY org.eclipse.ui 4 4 2005-07-25 09:03:47.625
!MESSAGE Unhandled event loop exception
Unhandled event loop exception
Reason:

!ENTRY org.eclipse.ui 4 0 2005-07-25 09:03:47.640
!MESSAGE java.lang.NullPointerException
!STACK 0
java.lang.NullPointerException
        at org.eclipse.core.runtime.Path.<init>(Path.java:152)
        at com.genuitec.eclipse.ast.deploy.core.DeploymentManager.computeDeploymentLocation(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.wizard.NewDeploymentWizardPage.updateLocationField(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.wizard.NewDeploymentWizardPage.handleServersComboBoxModified(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.wizard.NewDeploymentWizardPage$1.modifyText(Unknown Source)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:188)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:867)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:848)
        at org.eclipse.swt.widgets.Combo.wmCommandChild(Combo.java:2025)
        at org.eclipse.swt.widgets.Control.WM_COMMAND(Control.java:3164)
        at org.eclipse.swt.widgets.Control.windowProc(Control.java:3041)
        at org.eclipse.swt.widgets.Display.windowProc(Display.java:3706)
        at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
        at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:1580)
        at org.eclipse.swt.widgets.Combo.callWindowProc(Combo.java:276)
        at org.eclipse.swt.widgets.Control.windowProc(Control.java:3123)
        at org.eclipse.swt.widgets.Combo.windowProc(Combo.java:1755)
        at org.eclipse.swt.widgets.Display.windowProc(Display.java:3706)
        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:2711)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:809)
        at org.eclipse.jface.window.Window.open(Window.java:787)
        at com.genuitec.eclipse.ast.deploy.core.ui.dialog.DeploymentManagerDialog.?(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.dialog.DeploymentManagerDialog.access$0(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.dialog.DeploymentManagerDialog$3.handleEvent(Unknown Source)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3080)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2713)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:809)
        at org.eclipse.jface.window.Window.open(Window.java:787)
        at com.genuitec.eclipse.ast.deploy.core.ui.action.DeploymentMgmtActionDelegate.runWithEvent(Unknown Source)
        at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:236)
        at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:223)
        at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:538)
        at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488)
        at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:441)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3080)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2713)
        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 org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103)
        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)
java.lang.NullPointerException

!ENTRY org.eclipse.ui 4 4 2005-07-25 09:04:00.171
!MESSAGE Unhandled event loop exception
Unhandled event loop exception
Reason:

!ENTRY org.eclipse.ui 4 0 2005-07-25 09:04:00.171
!MESSAGE java.lang.NullPointerException
!STACK 0
java.lang.NullPointerException
        at org.eclipse.core.runtime.Path.<init>(Path.java:152)
        at com.genuitec.eclipse.ast.deploy.core.DeploymentManager.computeDeploymentLocation(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.wizard.NewDeploymentWizardPage.updateLocationField(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.wizard.NewDeploymentWizardPage.handleServersComboBoxModified(Unknown Source)
        at com.genuitec.eclipse.ast.deploy.core.ui.wizard.NewDeploymentWizardPage$1.modifyText(Unknown Source)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:188)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:867)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:848)
        at org.eclipse.swt.widgets.Combo.wmCommandChild(Combo.java:2025)
        at org.eclipse.swt.widgets.Control.WM_COMMAND(Control.java:3164)
        at org.eclipse.swt.widgets.Control.windowProc(Control.java:3041)
        at org.eclipse.swt.widgets.Display.windowProc(Display.java:3706)
        at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
        at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:1580)
        at org.eclipse.swt.widgets.Combo.callWindowProc(Combo.java:276)
        at org.eclipse.swt.widgets.Control.windowProc(Control.java:3123)
        at org.eclipse.swt.widgets.Combo.windowProc(Combo.java:1755)
        at org.eclipse.swt.widgets.Display.windowProc(Display.java:3706)
        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:2711)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:809)

I’d like to attache some screenshots, but that doesn’t seem to be possible in this forum 🙁

Version: 3.9.210 (some plugins .211)
Build id: 20050627-4.0-Milestone-2

July 25, 2005 at 2:31 am #233555 Reply

Mike Haller

Member

Problem solved:
Cause: Missing attribute “context-root” in .mymetadata File

After adding this attribute to the .mymetadata file of the project (then close project and re-open it), the Deployment Wizard works again.

Sorry for bothering


<?xml version="1.0" encoding="UTF-8"?>
<project-module
  type="WEB"
  name="my.package.name.projectname"
  id="myeclipse.1122036823500"
  context-root="/mycontext"        <---- THIS ONE
  j2ee-spec="1.3"
  archive="my.package.name.projectname.war">
  <attributes>
    <attribute name="webrootdir" value="WebRoot" />
  </attributes>
</project-module>

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