diff --git a/.classpath b/.classpath
index ee080ae..6c9a6fd 100644
--- a/.classpath
+++ b/.classpath
@@ -12,17 +12,18 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="src" path="src/main/resources"/>
 	<classpathentry kind="con" path="com.google.gwt.eclipse.core.GWT_CONTAINER"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 			<attribute name="org.eclipse.jst.component.nondependency" value=""/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="owner.project.facets" value="java"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>
diff --git a/.settings/org.eclipse.wst.common.component b/.settings/org.eclipse.wst.common.component
index 7086673..79d4e54 100644
--- a/.settings/org.eclipse.wst.common.component
+++ b/.settings/org.eclipse.wst.common.component
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
     <wb-module deploy-name="workspace-tree-widget">
         <wb-resource deploy-path="/" source-path="/src/main/java"/>
+        <wb-resource deploy-path="/" source-path="/src/main/resources"/>
     </wb-module>
 </project-modules>
diff --git a/pom.xml b/pom.xml
index 521a33c..f9133a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,7 +34,7 @@
 		<gwtVersion>2.7.0</gwtVersion>
 		<distroDirectory>distro</distroDirectory>
 		<!-- GWT needs at least java 1.6 -->
-		<maven.compiler.source>1.7</maven.compiler.source>
+		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<!-- <additionalparam>-Xdoclint:none</additionalparam> -->
 
diff --git a/src/main/resources/org/gcube/portlets/user/workspace/WorkspaceTree.gwt.xml b/src/main/resources/org/gcube/portlets/user/workspace/WorkspaceTree.gwt.xml
new file mode 100644
index 0000000..9071554
--- /dev/null
+++ b/src/main/resources/org/gcube/portlets/user/workspace/WorkspaceTree.gwt.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module rename-to='workspacetree'>
+	<!-- Inherit the core Web Toolkit stuff. -->
+	<inherits name='com.google.gwt.user.User' />
+	<inherits name='com.google.gwt.resources.Resources' />
+
+	<!-- For development, a default of `DEBUG` is recommended <inherits name="com.allen_sauer.gwt.log.gwt-log-DEBUG" 
+		/> -->
+
+	<!-- Other module inherits -->
+	<!-- Moduel GXT -->
+	<inherits name='com.extjs.gxt.ui.GXT' />
+	<inherits name='org.gcube.portal.clientcontext.GCubeClientContext' />
+
+	<inherits
+		name="org.gcube.portlets.widgets.workspacesharingwidget.WorkspaceSharingWidget" />
+
+	<servlet path="/WorkspaceService"
+		class="org.gcube.portlets.user.workspace.server.GWTWorkspaceServiceImpl" />
+	<inherits
+		name="org.gcube.portlets.widgets.workspaceuploader.WorkspaceUploader"></inherits>
+	<inherits
+		name='org.gcube.portlets.widgets.ckandatapublisherwidget.CKanMetadataPublisher' />
+
+	<servlet path="/DownloadService"
+		class="org.gcube.portlets.user.workspace.server.DownloadServlet" />
+	<servlet path="/ImageService"
+		class="org.gcube.portlets.user.workspace.server.ImageServlet" />
+
+	<inherits name="org.gcube.portlets.widgets.imagepreviewerwidget.ImagePreviewer" />
+	
+	<inherits name='org.gcube.portlets.widgets.wsexplorer.WorkspaceExplorer' />
+	
+	<inherits name='org.gcube.portlets.widgtes.wsthreddssync.WsThreddsWidget' />
+
+	<!-- Specify the application specific style sheet. -->
+	<stylesheet src='workspacetree.css' />
+
+	<source path='client' />
+	<source path='shared' />
+
+</module>