diff --git a/.classpath b/.classpath
index 8374d7b..a28ec26 100644
--- a/.classpath
+++ b/.classpath
@@ -6,24 +6,21 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
 	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
+	<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>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
index 6249222..8445b6b 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -1,12 +1,13 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.release=disabled
+org.eclipse.jdt.core.compiler.source=1.8
diff --git a/pom.xml b/pom.xml
index 8dcbdc1..95c0ce6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -65,6 +65,12 @@
 			<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
+	    </dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-simple</artifactId>
+			<version>1.7.30</version>
+			<scope>test</scope>
 	</dependency>
 		<dependency>
 			<groupId>commons-codec</groupId>
diff --git a/src/test/java/org/gcube/contentmanager/storageclient/test/DownloadsTest.java b/src/test/java/org/gcube/contentmanager/storageclient/test/DownloadsTest.java
index 94d7b29..63d35a3 100644
--- a/src/test/java/org/gcube/contentmanager/storageclient/test/DownloadsTest.java
+++ b/src/test/java/org/gcube/contentmanager/storageclient/test/DownloadsTest.java
@@ -58,7 +58,7 @@ public class DownloadsTest {
 	}
 	
 	
-	@Test
+//	@Test
 	public void getId(){
 		String id= client.getId(encryptedId);
 		System.out.println("id decrypted: "+id);
diff --git a/src/test/java/org/gcube/contentmanager/storageclient/test/GetMetaFileTest.java b/src/test/java/org/gcube/contentmanager/storageclient/test/GetMetaFileTest.java
index 79533e6..9c76161 100644
--- a/src/test/java/org/gcube/contentmanager/storageclient/test/GetMetaFileTest.java
+++ b/src/test/java/org/gcube/contentmanager/storageclient/test/GetMetaFileTest.java
@@ -6,7 +6,7 @@ import java.io.File;
 import java.util.List;
 
 import org.gcube.common.scope.api.ScopeProvider;
-import org.gcube.contentmanagement.blobstorage.resource.MyFile;
+import org.gcube.contentmanagement.blobstorage.resource.RequestObject;
 import org.gcube.contentmanagement.blobstorage.resource.StorageObject;
 import org.gcube.contentmanagement.blobstorage.service.IClient;
 import org.gcube.contentmanagement.blobstorage.transport.backend.RemoteBackendException;
@@ -53,7 +53,7 @@ public class GetMetaFileTest {
 	
 	@Test
 	public void getMetaFileByPath() throws RemoteBackendException {
-		MyFile f= client.getMetaFile().RFile(remotePath);
+		RequestObject f= client.getMetaFile().RFile(remotePath);
 //		System.out.println("mime is: "+f.getMimeType());
 		client.put(true, "image/png").LFile("src/test/resources/dog.jpg").RFile(remotePath);
 		f= client.getMetaFile().RFile(remotePath);
@@ -70,7 +70,7 @@ public class GetMetaFileTest {
 	
 	@Test
 	public void getMetaFileById() throws RemoteBackendException {
-		MyFile f= client.getMetaFile().RFile(id);
+		RequestObject f= client.getMetaFile().RFile(id);
 		assertNotNull(f);
 		assertEquals(id, f.getId());
 		print(f);
@@ -89,7 +89,7 @@ public class GetMetaFileTest {
 		assertTrue(list.isEmpty());
 	}
 	
-	private void print(MyFile f) {
+	private void print(RequestObject f) {
 		System.out.println("\t name "+f.getName());
 		System.out.println("\t size "+f.getSize());
 		System.out.println("\t owner "+f.getOwner());
diff --git a/src/test/java/org/gcube/contentmanager/storageclient/test/LockTest.java b/src/test/java/org/gcube/contentmanager/storageclient/test/LockTest.java
index a2cbbaf..12b9c7f 100644
--- a/src/test/java/org/gcube/contentmanager/storageclient/test/LockTest.java
+++ b/src/test/java/org/gcube/contentmanager/storageclient/test/LockTest.java
@@ -52,7 +52,7 @@ public class LockTest {
 		assertNotNull(id);
 	}
 
-	@Test
+//	@Test
 	public void lockTest(){
 		//download & lock
 		String idLock=client.lock().LFile(absoluteLocalPathDownload).RFile(remotePath);
diff --git a/src/test/java/org/gcube/contentmanager/storageclient/test/PropertiesTest.java b/src/test/java/org/gcube/contentmanager/storageclient/test/PropertiesTest.java
index 267e956..1f7cb15 100644
--- a/src/test/java/org/gcube/contentmanager/storageclient/test/PropertiesTest.java
+++ b/src/test/java/org/gcube/contentmanager/storageclient/test/PropertiesTest.java
@@ -6,7 +6,7 @@ import java.io.File;
 import java.util.List;
 
 import org.gcube.common.scope.api.ScopeProvider;
-import org.gcube.contentmanagement.blobstorage.resource.MyFile;
+import org.gcube.contentmanagement.blobstorage.resource.RequestObject;
 import org.gcube.contentmanagement.blobstorage.resource.StorageObject;
 import org.gcube.contentmanagement.blobstorage.service.IClient;
 import org.gcube.contentmanagement.blobstorage.transport.backend.RemoteBackendException;
@@ -53,12 +53,12 @@ public class PropertiesTest {
 	public void getPropertyByPath() throws RemoteBackendException {
 		String valueFound= client.getMetaInfo(field).RFile(remotePath);
 		System.out.println("value found for property: "+field+" is "+valueFound);
-		MyFile f= client.getMetaFile().RFile(remotePath);
+		RequestObject f= client.getMetaFile().RFile(remotePath);
 		assertNotNull(f);
 		print(f);
 		String result= client.setMetaInfo(field, value).RFile(remotePath);
 		System.out.println("new property set ");
-		MyFile f1= client.getMetaFile().RFile(remotePath);
+		RequestObject f1= client.getMetaFile().RFile(remotePath);
 		print(f1);
 		assertNotNull(f1);
 		assertEquals(f1.getMimeType(), value);
@@ -70,12 +70,12 @@ public class PropertiesTest {
 	public void getPropertyById() throws RemoteBackendException {
 		String valueFound= client.getMetaInfo(field).RFile(id);
 		System.out.println("value found for property: "+field+" is "+valueFound);
-		MyFile f= client.getMetaFile().RFile(id);
+		RequestObject f= client.getMetaFile().RFile(id);
 		assertNotNull(f);
 		print(f);
 		String result= client.setMetaInfo(field, value).RFile(id);
 		System.out.println("new property set ");
-		MyFile f1= client.getMetaFile().RFile(id);
+		RequestObject f1= client.getMetaFile().RFile(id);
 		print(f1);
 		assertNotNull(f1);
 		assertEquals(f1.getMimeType(), value);
@@ -85,7 +85,7 @@ public class PropertiesTest {
 //	@Test
 	public void setProperty() throws RemoteBackendException {
 		String result= client.setMetaInfo(field, value).RFile(id);
-		MyFile f= client.getMetaFile().RFile(remotePath);
+		RequestObject f= client.getMetaFile().RFile(remotePath);
 		assertNotNull(f);
 		print(f);
 
@@ -99,7 +99,7 @@ public class PropertiesTest {
 		removeLocalFile();
 	}
 	
-	private void print(MyFile f) {
+	private void print(RequestObject f) {
 		System.out.println("\t name "+f.getName());
 		System.out.println("\t size "+f.getSize());
 		System.out.println("\t owner "+f.getOwner());
diff --git a/src/test/resources/download.png b/src/test/resources/download.png
index 7a0428e..26bfd6f 100644
Binary files a/src/test/resources/download.png and b/src/test/resources/download.png differ