error deploying process archive

[erikcute]

I'm having problems deploying a process archive, already selected the deployment package as well as the classes but still the same error occurs.  i'm trying to create a par file for openKM.  please help.  thanks.

below is the error log:

Message:                                                        Plug-in

Exception happened while deploying                  org.jbpm.gd.jpdl

Exception stack trace:

java.lang.NullPointerException

          at org.jbpm.gd.jpdl.util.ProcessDeployer.addClassOrResource(Unknown Source)

          at org.jbpm.gd.jpdl.util.ProcessDeployer.addClassesAndResources(Unknown Source)

          at org.jbpm.gd.jpdl.util.ProcessDeployer.createParBytes(Unknown Source)

          at org.jbpm.gd.jpdl.util.ProcessDeployer.access$1(Unknown Source)

          at org.jbpm.gd.jpdl.util.ProcessDeployer$1.run(Unknown Source)

          at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)

          at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)

          at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507)

          at org.jbpm.gd.jpdl.util.ProcessDeployer.showProgressMonitorDialog(Unknown Source)

          at org.jbpm.gd.jpdl.util.ProcessDeployer.deploy(Unknown Source)

          at org.jbpm.gd.jpdl.deployment.DeploymentForm$1.widgetSelected(Unknown Source)

          at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234)

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

          at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)

          at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)

          at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)

          at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)

          at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)

          at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)

          at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)

          at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)

          at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)

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

          at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)

          at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

          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:369)

          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:619)

          at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)

          at org.eclipse.equinox.launcher.Main.run(Main.java:1407)