[jboss-user] [JBoss Tools] - JBoss tools BPMN convert Unhandled event loop exception

java.lang.NullPointerException           at org.jboss.tools.jbpm.convert.bpmnto.wizard.ProjectFilter.hasBPMNResources(BPMNResourcesChoicePage.java:148)           at org.jboss.tools.jbpm.convert.bpmnto.wizard.ProjectFilter.hasBPMNResources(BPMNResourcesChoicePage.java:153)           at org.jboss.tools.jbpm.convert.bpmnto.wizard.ProjectFilter.select(BPMNResourcesChoicePage.java:135)           at org.eclipse.jface.viewers.ViewerFilter.filter(ViewerFilter.java:51)           at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:900)           at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:601)           at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:801)           at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)           at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:778)           at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:644)           at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:749)           at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1492)           at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:833)           at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1476)           at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1422)           at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:403)           at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1383)           at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1469)           at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:274)           at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1664)           at org.jboss.tools.jbpm.convert.bpmnto.wizard.BPMNResourcesChoicePage.initializePage(BPMNResourcesChoicePage.java:72)           at org.jboss.tools.jbpm.convert.bpmnto.wizard.AbstractConvertWizardPage.createControl(AbstractConvertWizardPage.java:45)           at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:170)           at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:734)           at org.eclipse.jface.wizard.WizardDialog.setWizard(WizardDialog.java:1162)           at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1221)           at org.eclipse.jface.wizard.WizardDialog.access$4(WizardDialog.java:1218)           at org.eclipse.jface.wizard.WizardDialog$6.run(WizardDialog.java:1207)           at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)           at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1205)           at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:894)           at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:426)           at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)           at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234)           at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)           at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)           at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3540)           at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3161)           at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)           at org.eclipse.jface.window.Window.open(Window.java:801)           at org.eclipse.ui.internal.handlers.WizardHandler$Export.executeHandler(WizardHandler.java:98)           at org.eclipse.ui.internal.handlers.WizardHandler.execute(WizardHandler.java:274)           at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293)           at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)           at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)           at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)           at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)           at org.eclipse.ui.internal.actions.CommandAction.runWithEvent(CommandAction.java:157)           at org.eclipse.ui.internal.actions.CommandAction.run(CommandAction.java:171)           at org.eclipse.ui.actions.ExportResourcesAction.run(ExportResourcesAction.java:116)           at org.eclipse.ui.actions.BaseSelectionListenerAction.runWithEvent(BaseSelectionListenerAction.java:168)           at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)           at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)           at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)           at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)           at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)           at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3540)           at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3161)           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(NativeMethodAccessorImpl.java:39)           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)           at java.lang.reflect.Method.invoke(Method.java:597)           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)           at org.eclipse.equinox.launcher.Main.main(Main.java:1383)