java.io.IOException: Could not create the derby.system.home directory C:\Documents and Settings\ssalmaso\.netbeans-derby
   at org.netbeans.modules.derby.DerbyDatabasesImpl.ensureSystemHome(DerbyDatabasesImpl.java:441)
   at org.netbeans.modules.derby.DerbyDatabasesImpl.extractSampleDatabase(DerbyDatabasesImpl.java:416)
   at org.netbeans.modules.derby.DerbyDatabasesImpl.createSampleDatabase(DerbyDatabasesImpl.java:298)
   at org.netbeans.modules.derby.api.DerbyDatabases.createSampleDatabase(DerbyDatabases.java:167)
   at org.netbeans.modules.derby.DerbyActivator.registerSampleDatabase(DerbyActivator.java:102)
   at org.netbeans.modules.derby.DerbyActivator.doActivate(DerbyActivator.java:84)
   at org.netbeans.modules.derby.DerbyActivator.activate(DerbyActivator.java:68)
   at org.netbeans.modules.derby.RegisterDerby.getDefault(RegisterDerby.java:98)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
   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.netbeans.core.startup.layers.BinaryFS$AttrImpl$MethodAndParams.invoke(BinaryFS.java:604)
   at org.netbeans.core.startup.layers.BinaryFS$AttrImpl.getValue(BinaryFS.java:537)
   at org.netbeans.core.startup.layers.BinaryFS$BFSBase.getAttribute(BinaryFS.java:383)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:900)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:838)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:896)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:838)
   at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:765)
   at org.openide.loaders.InstanceDataObject$Ser.instanceCreate(InstanceDataObject.java:1370)
   at org.openide.loaders.InstanceDataObject.instanceCreate(InstanceDataObject.java:818)
   at org.openide.loaders.FolderLookup$ICItem.getInstance(FolderLookup.java:584)
   at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:999)
   at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:548)
   at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:488)
   at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:548)
   at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:488)
   at org.netbeans.modules.db.runtime.DatabaseRuntimeManager.getRuntimes(DatabaseRuntimeManager.java:94)
   at org.netbeans.api.db.explorer.ConnectionManager.getDefault(ConnectionManager.java:89)
   at org.netbeans.modules.web.project.ui.WebLogicalViewProvider$WebLogicalViewRootNode$BrokenDatasourceAction.<init>(WebLogicalViewProvider.java:615)
   at org.netbeans.modules.web.project.ui.WebLogicalViewProvider$WebLogicalViewRootNode.<init>(WebLogicalViewProvider.java:334)
   at org.netbeans.modules.web.project.ui.WebLogicalViewProvider.createLogicalView(WebLogicalViewProvider.java:142)
   at org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.logicalViewForProject(ProjectsRootNode.java:335)
   at org.netbeans.modules.project.ui.ProjectsRootNode$BadgingNode.replaceProject(ProjectsRootNode.java:529)
   at org.netbeans.modules.project.ui.ProjectsRootNode$BadgingNode.propertyChange(ProjectsRootNode.java:792)
   at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:188)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
   at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.loadOnBackground(OpenProjectList.java:437)
   at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.run(OpenProjectList.java:316)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1369)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1907)