Hibernator - Eclipse Plugin / Discussion / Help: NullPointerException

flare - 2003-08-21

I'm using Eclipse 2.1.1 + Hibernate 2.0.2 + hibernator 0.9.5 + postgresql 7.3.2 on MacosX 10.2.6-jdk 1.4.1

I add an xml mapping in the connection view, enter the correct database parameters and got "output location is in source location /xxxxx

cannot make any a connection, the logfile shows

!ENTRY org.eclipse.ui 4 4 ago 21, 2003 15:06:21.460
!MESSAGE Unhandled exception caught in event loop.
!ENTRY org.eclipse.ui 4 0 ago 21, 2003 15:06:21.464
!MESSAGE java.lang.NullPointerException
!STACK 0
java.lang.NullPointerException
        at java.util.Hashtable.put(Hashtable.java:375)
        at java.util.Properties.setProperty(Properties.java:97)
        at net.sf.hibernator.views.ConnectionSet.save(ConnectionSet.java:71)
        at net.sf.hibernator.views.ConnectionSet.add(ConnectionSet.java:32)
        at net.sf.hibernator.views.ConnectionView.add(ConnectionView.java:204)
        at net.sf.hibernator.views.ConnectionView.access$1(ConnectionView.java:195)
        at net.sf.hibernator.views.ConnectionView$3.run(ConnectionView.java:131)
        at org.eclipse.jface.action.Action.runWithEvent(Action.java:842)
        at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:456)
        at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent(ActionContributionItem.java:403)
        at org.eclipse.jface.action.ActionContributionItem.access$0(ActionContributionItem.java:397)
        at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java:72)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:81)
        at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1012)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2079)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1795)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1402)
        at org.eclipse.ui.internal.Workbench.run(Workbench.java:1385)
        at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:858)
        at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
        at java.lang.reflect.Method.invoke(Native Method)
        at org.eclipse.core.launcher.Main.basicRun(Main.java:291)
        at org.eclipse.core.launcher.Main.run(Main.java:747)
        at org.eclipse.core.launcher.Main.main(Main.java:583)
        at java.lang.reflect.Method.invoke(Native Method)
        at apple.launcher.LaunchRunner.run(LaunchRunner.java:88)
        at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:50)
        at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)

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- flare - 2003-08-21
  
  solved :) now I can see the connection but I keep getting:
  
  java.lang.IllegalArgumentException: Path must include project and resource name: /xxxxxx
      at org.eclipse.core.internal.utils.Assert.isLegal(Assert.java:55)
      at org.eclipse.core.internal.resources.Workspace.newResource(Workspace.java:1442)
      at org.eclipse.core.internal.resources.Container.getFolder(Container.java:129)
      at net.sf.hibernator.HibernateConnection.createConnection(HibernateConnection.java:130)
      at net.sf.hibernator.views.ConnectionView.connect(ConnectionView.java:185)
      at net.sf.hibernator.views.ConnectionView.access$4(ConnectionView.java:180)
      at net.sf.hibernator.views.ConnectionView$6.run(ConnectionView.java:164)
      at org.eclipse.jface.action.Action.runWithEvent(Action.java:842)
      at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:456)
      at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent(ActionContributionItem.java:403)
      at org.eclipse.jface.action.ActionContributionItem.access$0(ActionContributionItem.java:397)
      at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java:72)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:81)
      at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1012)
      at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2079)
      at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1795)
      at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1402)
      at org.eclipse.ui.internal.Workbench.run(Workbench.java:1385)
      at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:858)
      at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
      at java.lang.reflect.Method.invoke(Native Method)
      at org.eclipse.core.launcher.Main.basicRun(Main.java:291)
      at org.eclipse.core.launcher.Main.run(Main.java:747)
      at org.eclipse.core.launcher.Main.main(Main.java:583)
      at java.lang.reflect.Method.invoke(Native Method)
      at apple.launcher.LaunchRunner.run(LaunchRunner.java:88)
      at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:50)
      at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)
  
  what does this mean?
  
  thanx
  
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- Anonymous - 2003-09-08
  
  I have the same problem. What should I do to fix it?
  
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  - Anonymous - 2003-09-08
    
    I solved! I just added log4j-1.2.8.jar under hibernator plugin directory
    
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- Daniel Bradby - 2003-09-11
  
  That NullPointer looks like the dialect is null which is weird?! Maybe the property file is corrupt. Either way I am working in making the validation and error reporting around the connection properties better
  
  The other error is probably because your source/class files are in your project root directory. I have made the fix in CVS so this will work ... but in the mean time move the sources into a sub dir
  
  Daniel
  
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