IllegalArgumentException during creating jBPM process definition on empty workspace

Steps:
1. New workspace
2. File -> New -> JBoss jBPM -> doubleClick on jBPM 3 Process Definition

java.lang.IllegalArgumentException: Path must include project and resource name: /process.jpdl.xml
at org.eclipse.core.runtime.Assert.isLegal(Assert.java:63)
at org.eclipse.core.internal.resources.Workspace.newResource(Workspace.java:1801)
at org.eclipse.core.internal.resources.Container.getFile(Container.java:207)
at org.jbpm.gd.jpdl.wizard.NewProcessDefinitionWizardPage.getProcessDefinitionFile(NewProcessDefinitionWizardPage.java:249)
at org.jbpm.gd.jpdl.wizard.NewProcessDefinitionWizardPage.processExists(NewProcessDefinitionWizardPage.java:235)
at org.jbpm.gd.jpdl.wizard.NewProcessDefinitionWizardPage.checkProcessNameText(NewProcessDefinitionWizardPage.java:223)
at org.jbpm.gd.jpdl.wizard.NewProcessDefinitionWizardPage.checkPage(NewProcessDefinitionWizardPage.java:192)
at org.jbpm.gd.jpdl.wizard.NewProcessDefinitionWizardPage.createControl(NewProcessDefinitionWizardPage.java:95)
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.ui.internal.dialogs.NewWizardSelectionPage.advanceToNextPageOrFinish(NewWizardSelectionPage.java:71)
at org.eclipse.ui.internal.dialogs.NewWizardNewPage$1.doubleClick(NewWizardNewPage.java:354)