diff --git a/pom.xml b/pom.xml
index 4b5be37..20081b7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -116,16 +116,5 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
-
-	<build>
-		<plugins>
-			<plugin>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<configuration>
-					<target>1.8</target>
-					<source>1.8</source>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+	
 </project>
\ No newline at end of file
diff --git a/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java b/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java
index 50e1b7d..5c45266 100644
--- a/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java
+++ b/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java
@@ -175,7 +175,7 @@ public class FolderContainer extends ItemContainer<FolderItem>{
 	 * @throws {@InvalidItemException} 
 	 * @throws {@UserNotAuthorizedException} if user is not authorized to write in this folder
 	 */
-	public FolderContainer newHiddenFolder(String name, String description) throws Exception {
+	public FolderContainer newHiddenFolder(String name, String description) throws StorageHubException {
 		String newFolderId = itemclient.createFolder(this.itemId, name, description, true);
 		return new FolderContainer(itemclient, newFolderId);
 	}
@@ -191,7 +191,7 @@ public class FolderContainer extends ItemContainer<FolderItem>{
 	 * @throws {@InvalidItemException} 
 	 * @throws {@UserNotAuthorizedException} if user is not authorized to write in this folder
 	 */
-	public GenericItemContainer newGcubeItem(GCubeItem item) throws Exception {
+	public GenericItemContainer newGcubeItem(GCubeItem item) throws StorageHubException {
 		String itemId = itemclient.createGcubeItem(this.itemId, item);
 		return new GenericItemContainer(itemclient, itemId);
 	}
@@ -203,7 +203,7 @@ public class FolderContainer extends ItemContainer<FolderItem>{
 	 * @return a List of {@ACL}
 	 * @throws {@StorageHubException}
 	 */
-	public List<ACL> getAcls() throws Exception {
+	public List<ACL> getAcls() throws StorageHubException {
 		return itemclient.getACL(this.itemId);
 	}
 	
@@ -285,7 +285,7 @@ public class FolderContainer extends ItemContainer<FolderItem>{
 	 * @throws {@InvalidItemException} 
 	 * @throws {@UserNotAuthorizedException} if user is not authorized to share this folder
 	 */
-	public FolderContainer share(Set<String> users, AccessType accessType) throws Exception {
+	public FolderContainer share(Set<String> users, AccessType accessType) throws StorageHubException {
 		itemclient.shareFolder(this.itemId, users, accessType);
 		this.invalidateItem();
 		return this;