java - eclipse+hibernate - core exception on new hibernate xml file -

java - eclipse+hibernate - core exception on new hibernate xml file -

as title, i'm trying utilize hibernate framework, i'm stuck @ first steps. first of all, i've added jboss repository eclipse. then, created new java project , new class, named "user.java", private variables , getters , setters. then, after switch hibernate perspective, i've tried create "user.hbm.xml" file (right click on project> new hibernate xml mapping files). in wizard, selected bundle (pervasive.com.gmail.tigerjack89.hibernate.orm), class (user.java), reviewing changes , clich "finish". however, workspace error log generates sequent core exception

org.eclipse.core.internal.resources.resourceexception: resource '/hibernate_test/pervasive/com/gmail/tigerjack/hibernate/orm' not exist.

from plug-in org.hibernate.console

this whole error stack trace

org.eclipse.core.internal.resources.resourceexception: resource '/hibernate_test/pervasive/com/gmail/tigerjack/hibernate/orm' not exist. @ org.eclipse.core.internal.resources.resource.checkexists(resource.java:341) @ org.eclipse.core.internal.resources.resource.checkaccessible(resource.java:215) @ org.eclipse.core.internal.resources.file.create(file.java:115) @ org.eclipse.core.internal.resources.file.create(file.java:188) @ org.eclipse.jdt.internal.corext.refactoring.nls.changes.createfilechange.perform(createfilechange.java:165) @ org.eclipse.ltk.core.refactoring.compositechange.perform(compositechange.java:278) @ org.hibernate.eclipse.jdt.ui.wizards.newhibernatemappingpreviewpage.performfinish(newhibernatemappingpreviewpage.java:299) @ org.hibernate.eclipse.jdt.ui.wizards.newhibernatemappingfilewizard.performfinish(newhibernatemappingfilewizard.java:408) @ org.eclipse.jface.wizard.wizarddialog.finishpressed(wizarddialog.java:853) @ org.eclipse.jface.wizard.wizarddialog.buttonpressed(wizarddialog.java:438) @ org.eclipse.jface.dialogs.dialog$2.widgetselected(dialog.java:619) @ org.eclipse.swt.widgets.typedlistener.handleevent(typedlistener.java:248) @ org.eclipse.swt.widgets.eventtable.sendevent(eventtable.java:84) @ org.eclipse.swt.widgets.display.sendevent(display.java:4454) @ org.eclipse.swt.widgets.widget.sendevent(widget.java:1388) @ org.eclipse.swt.widgets.display.rundeferredevents(display.java:3799) @ org.eclipse.swt.widgets.display.readanddispatch(display.java:3409) @ org.eclipse.jface.window.window.runeventloop(window.java:832) @ org.eclipse.jface.window.window.open(window.java:808) @ org.eclipse.ui.internal.actions.newwizardshortcutaction.run(newwizardshortcutaction.java:136) @ org.eclipse.jface.action.action.runwithevent(action.java:519) @ org.eclipse.jface.action.actioncontributionitem.handlewidgetselection(actioncontributionitem.java:595) @ org.eclipse.jface.action.actioncontributionitem.access$2(actioncontributionitem.java:511) @ org.eclipse.jface.action.actioncontributionitem$5.handleevent(actioncontributionitem.java:420) @ org.eclipse.swt.widgets.eventtable.sendevent(eventtable.java:84) @ org.eclipse.swt.widgets.display.sendevent(display.java:4454) @ org.eclipse.swt.widgets.widget.sendevent(widget.java:1388) @ org.eclipse.swt.widgets.display.rundeferredevents(display.java:3799) @ org.eclipse.swt.widgets.display.readanddispatch(display.java:3409) @ org.eclipse.e4.ui.internal.workbench.swt.partrenderingengine$9.run(partrenderingengine.java:1151) @ org.eclipse.core.databinding.observable.realm.runwithdefault(realm.java:332) @ org.eclipse.e4.ui.internal.workbench.swt.partrenderingengine.run(partrenderingengine.java:1032) @ org.eclipse.e4.ui.internal.workbench.e4workbench.createandrunui(e4workbench.java:148) @ org.eclipse.ui.internal.workbench$5.run(workbench.java:636) @ org.eclipse.core.databinding.observable.realm.runwithdefault(realm.java:332) @ org.eclipse.ui.internal.workbench.createandrunworkbench(workbench.java:579) @ org.eclipse.ui.platformui.createandrunworkbench(platformui.java:150) @ org.eclipse.ui.internal.ide.application.ideapplication.start(ideapplication.java:135) @ org.eclipse.equinox.internal.app.eclipseapphandle.run(eclipseapphandle.java:196) @ org.eclipse.core.runtime.internal.adaptor.eclipseapplauncher.runapplication(eclipseapplauncher.java:134) @ org.eclipse.core.runtime.internal.adaptor.eclipseapplauncher.start(eclipseapplauncher.java:104) @ org.eclipse.core.runtime.adaptor.eclipsestarter.run(eclipsestarter.java:380) @ org.eclipse.core.runtime.adaptor.eclipsestarter.run(eclipsestarter.java:235) @ sun.reflect.nativemethodaccessorimpl.invoke0(native method) @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62) @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43) @ java.lang.reflect.method.invoke(method.java:483) @ org.eclipse.equinox.launcher.main.invokeframework(main.java:648) @ org.eclipse.equinox.launcher.main.basicrun(main.java:603) @ org.eclipse.equinox.launcher.main.run(main.java:1465) @ org.eclipse.equinox.launcher.main.main(main.java:1438)

how can fix?

java eclipse hibernate