java.lang.AssertionError: Folder URI must end with '/'. Was: file:/C:/Program%20Files/Sun/JavaDB/lib/derbyclient.jar
        at org.netbeans.spi.java.project.classpath.ProjectClassPathModifierImplementation.performSharabilityHeuristics(ProjectClassPathModifierImplementation.java:286)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifierSupport$Accessor.performHeuristics(ClassPathModifierSupport.java:291)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifierSupport$1.run(ClassPathModifierSupport.java:100)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifierSupport$1.run(ClassPathModifierSupport.java:85)
        at org.openide.util.Mutex.writeAccess(Mutex.java:433)
        at org.openide.util.Mutex$1R.run(Mutex.java:1305)
        at org.netbeans.api.project.ProjectManager$2$1.run(ProjectManager.java:120)
        at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:120)
        at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:499)
        at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:216)
        at org.netbeans.api.project.ProjectManager$2.execute(ProjectManager.java:118)
        at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320)
        at org.openide.util.Mutex.writeAccess(Mutex.java:426)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifierSupport.handleRoots(ClassPathModifierSupport.java:83)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifier.handleRoots(ClassPathModifier.java:154)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifier.addRoots(ClassPathModifier.java:148)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifier.addRoots(ClassPathModifier.java:143)
        at org.netbeans.modules.j2ee.common.project.classpath.ClassPathModifier.addRoots(ClassPathModifier.java:134)
        at org.netbeans.spi.java.project.classpath.ProjectClassPathModifierImplementation$Accessor.addRoots(ProjectClassPathModifierImplementation.java:407)
        at org.netbeans.api.java.project.classpath.ProjectClassPathModifier.addRoots(ProjectClassPathModifier.java:142)
        at org.netbeans.modules.hibernate.service.spi.HibernateEnvironmentImpl.registerDBDriver(HibernateEnvironmentImpl.java:480)
        at org.netbeans.modules.hibernateweb.framework.HibernateWebModuleExtender$CreateHibernateConfiguration.run(HibernateWebModuleExtender.java:261)
        at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:120)
        at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:499)
        at org.netbeans.modules.hibernateweb.framework.HibernateWebModuleExtender.extend(HibernateWebModuleExtender.java:157)
        at org.netbeans.modules.web.project.ui.wizards.NewWebProjectWizardIterator.instantiate(NewWebProjectWizardIterator.java:181)
        at org.openide.loaders.TemplateWizard$InstantiatingIteratorBridge.instantiate(TemplateWizard.java:1023)
        at org.openide.loaders.TemplateWizard.handleInstantiate(TemplateWizard.java:595)
        at org.openide.loaders.TemplateWizard.instantiateNewObjects(TemplateWizard.java:416)
        at org.openide.loaders.TemplateWizardIterImpl.instantiate(TemplateWizardIterImpl.java:253)
        at org.openide.loaders.TemplateWizardIteratorWrapper.instantiate(TemplateWizardIteratorWrapper.java:165)
        at org.openide.WizardDescriptor.callInstantiateOpen(WizardDescriptor.java:1474)
        at org.openide.WizardDescriptor.callInstantiate(WizardDescriptor.java:1431)
        at org.openide.WizardDescriptor.access$1700(WizardDescriptor.java:119)
        at org.openide.WizardDescriptor$Listener$2$1.run(WizardDescriptor.java:1998)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)