diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/CodeEntity.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/CodeEntity.java
deleted file mode 100644
index d827e3d..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/CodeEntity.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-import javax.ws.rs.core.GenericEntity;
-
-/**
- * An entity to wrapf {@link SerializableErrorEntity}s into a {@link WebCodeException}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public class CodeEntity extends GenericEntity<SerializableErrorEntity> {
-
-	/**
-	 * @param entity
-	 */
-	protected CodeEntity(SerializableErrorEntity entity) {
-		super(entity);
-	}
-
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/CodeFinder.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/CodeFinder.java
deleted file mode 100644
index 572402c..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/CodeFinder.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-import java.util.stream.Stream;
-
-/**
- * Helper methods to find an error code in an enumeration implementing {@link ErrorCode}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public class CodeFinder {
-
-	/**
-	 * Finds and convert the given code as enum value.
-	 * @param code the code to look for.
-	 * @param codes the enum values.
-	 * @return the code as enum value or null if the code is not found.
-	 */
-	public static <E extends Enum<E> & ErrorCode> E findAndConvert(ErrorCode code, E[] codes) {
-		return Stream.of(codes).filter(e -> e.getId() == code.getId() && e.getMessage().equals(code.getMessage()))
-				.findFirst().orElse(null);
-	}
-
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/ErrorCode.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/ErrorCode.java
deleted file mode 100644
index b6a954a..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/ErrorCode.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-/**
- * Interface for error codes.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public interface ErrorCode {
-	
-	/**
-	 * Identifier of the code.
-	 */
-	public int getId();
-
-	/**
-	 * The message associated to the code
-	 * @return the message
-	 */
-	public String getMessage();
-	
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/LocalCodeException.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/LocalCodeException.java
deleted file mode 100644
index d418b58..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/LocalCodeException.java
+++ /dev/null
@@ -1,29 +0,0 @@
-
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-/**
- * A local exception wrapping an {@link ErrorCode}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public class LocalCodeException extends Exception implements ErrorCode {
-	
-	private static final long serialVersionUID = 1872093579811881630L;
-	private final int id;
-	private final String message;
-
-	public LocalCodeException(ErrorCode code) {
-		super();
-		this.id = code.getId();
-		this.message = code.getMessage();
-	}
-
-	public int getId() {
-		return id;
-	}
-
-	public String getMessage() {
-		return message;
-	}
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/SerializableErrorEntity.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/SerializableErrorEntity.java
deleted file mode 100644
index 991b344..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/SerializableErrorEntity.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-
-/**
- * An entity that can be serialized in a {@link WebCodeException}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public class SerializableErrorEntity {
-	
-	private int id = -1;
-	private String message;
-	private String exceptionClass;
-
-	public SerializableErrorEntity() {}
-	
-	/**
-	 * @param id
-	 * @param message
-	 */
-	public SerializableErrorEntity(ErrorCode errorCode) {
-		this.id = errorCode.getId();
-		this.message = errorCode.getMessage();
-	}
-
-	/**
-	 * 
-	 * @param e
-	 */
-	public SerializableErrorEntity(Exception e) {
-		this.exceptionClass = e.getClass().getCanonicalName();
-		this.message = e.getMessage();
-	}
-
-	public int getId() {
-		return this.id;
-	}
-
-
-	public String getMessage() {
-		return this.message;
-	}
-
-	/**
-	 * @return the full qualified name of the embedded {@link Exception}
-	 */
-	public String getExceptionClass() {
-		return this.exceptionClass;
-	}
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/WebCodeException.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/WebCodeException.java
deleted file mode 100644
index 3c18989..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/WebCodeException.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-import javax.ws.rs.WebApplicationException;
-import javax.ws.rs.core.Response;
-
-/**
- * Exception returned by the Resource Manager.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public class WebCodeException extends WebApplicationException {
-
-	private static final long serialVersionUID = 333945715086602250L;
-
-	public WebCodeException() {
-		super(Response.status(Response.Status.NOT_ACCEPTABLE).build());
-	}
-	public WebCodeException(Response.Status status, ErrorCode code) {
-		super(Response.status(status).entity(new CodeEntity(new SerializableErrorEntity(code)))
-				.build());
-	}
-
-	public WebCodeException(ErrorCode code) {
-		super(Response.status(Response.Status.NOT_ACCEPTABLE)
-				.entity(new CodeEntity(new SerializableErrorEntity(code))).build());
-	}
-	
-	public <E extends Exception> WebCodeException(E exception) {
-		//super(Response.status(Response.Status.NOT_ACCEPTABLE)
-		//		.entity(new CodeEntity(new SerializableErrorEntity(exception))).build());
-		super(Response.status(Response.Status.NOT_ACCEPTABLE)
-				.entity(new CodeEntity(new SerializableErrorEntity(exception))).build());
-	}
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ErrorCodeDeserializer.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ErrorCodeDeserializer.java
deleted file mode 100644
index 4900f75..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ErrorCodeDeserializer.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions.deserializer;
-
-import org.gcube.resourcemanagement.manager.io.codeexceptions.ErrorCode;
-
-/**
- * Deserializer for {@link ErrorCode}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-final class ErrorCodeDeserializer {
-
-	/**
-	 * 
-	 */
-	private ErrorCodeDeserializer() {}
-
-	/**
-	 * The error code, if any
-	 * @return the error code or null
-	 */
-	protected static ErrorCode deserialize(int id, String message) {
-		if (id != 1) {
-			return new ErrorCode() {
-				
-				@Override
-				public String getMessage() {
-					return message;
-				}
-				
-				@Override
-				public int getId() {
-					return id;
-				}
-			};
-		} else 
-			return null;
-			
-	}
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ErrorEntityManager.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ErrorEntityManager.java
deleted file mode 100644
index 8d81747..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ErrorEntityManager.java
+++ /dev/null
@@ -1,55 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions.deserializer;
-
-import java.util.Objects;
-
-import org.gcube.resourcemanagement.manager.io.codeexceptions.ErrorCode;
-import org.gcube.resourcemanagement.manager.io.codeexceptions.SerializableErrorEntity;
-
-/**
- * Manager for extracting information held inside a {@link SerializableErrorEntity}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public class ErrorEntityManager {
-
-	private final SerializableErrorEntity entity;
-	/**
-	 * 
-	 */
-	public ErrorEntityManager(SerializableErrorEntity entity) {
-		this.entity = entity;
-	}
-	
-	/**
-	 * Checks if there is an {@link Exception} in the entity.
-	 * @return true if the entity holds an exception, false otherwise
-	 */
-	public boolean hasException() {
-		return Objects.nonNull(this.entity.getExceptionClass());
-	}
-	
-	/**
-	 * Gets the {@link Exception} inside the entity.
-	 * @return the exception or null
-	 */
-	public  <E extends Exception> E getException() {
-		return ExceptionDeserializer.deserialize(this.entity.getExceptionClass(),this.entity.getMessage());
-	}
-	
-	/**
-	 * Checks if there is an {@link ErrorCode} in the entity.
-	 * @return true if the entity holds an errorcode, false otherwise
-	 */
-	public boolean hasErrorCode() {
-		return this.entity.getId() != -1;
-	}
-	
-	/**
-	 * Gets the {@link ErrorCode} inside the entity.
-	 * @return the error code or null
-	 */
-	public ErrorCode getErrorCode(){
-		return ErrorCodeDeserializer.deserialize(this.entity.getId(), this.entity.getMessage());
-	}
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ExceptionDeserializer.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ExceptionDeserializer.java
deleted file mode 100644
index bed4f3b..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/ExceptionDeserializer.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions.deserializer;
-
-import java.lang.reflect.InvocationTargetException;
-
-/**
- * Deserializer for {@link Exception}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-final class ExceptionDeserializer {
-
-	/**
-	 * 
-	 */
-	private ExceptionDeserializer() {}
-	
-
-	@SuppressWarnings("unchecked")
-	protected static <E extends Exception> E deserialize(String exceptionClass, String message) {
-	try {
-		final Class<?>[] ctorParams = {String.class};
-		return (E) Class.forName(exceptionClass).getConstructor(ctorParams).newInstance(message);
-	} catch (InstantiationException | IllegalAccessException | ClassNotFoundException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException | SecurityException e) {
-		return null;
-	}
-}
-}
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/package-info.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/package-info.java
deleted file mode 100644
index 3151265..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/deserializer/package-info.java
+++ /dev/null
@@ -1,8 +0,0 @@
-
-/**
- * Helper classes to deserialize the information held inside a {@link org.gcube.resourcemanagement.manager.io.codeexceptions.SerializableErrorEntity}.
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-package org.gcube.resourcemanagement.manager.io.codeexceptions.deserializer;
\ No newline at end of file
diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/package-info.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/package-info.java
deleted file mode 100644
index a405f84..0000000
--- a/io/src/main/java/org/gcube/resourcemanagement/manager/io/codeexceptions/package-info.java
+++ /dev/null
@@ -1,8 +0,0 @@
-/**
- * Code Exception is capable to hold an error code 
- * and an associated message, wrap them into a REST response and return them to the caller. 
- * 
- * @author Manuele Simi (ISTI - CNR)
- *
- */
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
\ No newline at end of file
diff --git a/io/src/test/java/org/gcube/resourcemanagement/manager/io/codeexceptions/LocalCodeExceptionTest.java b/io/src/test/java/org/gcube/resourcemanagement/manager/io/codeexceptions/LocalCodeExceptionTest.java
deleted file mode 100644
index ea7917c..0000000
--- a/io/src/test/java/org/gcube/resourcemanagement/manager/io/codeexceptions/LocalCodeExceptionTest.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/**
- * 
- */
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-import static org.junit.Assert.*;
-
-import org.gcube.resourcemanagement.manager.io.codeexceptions.LocalCodeException;
-import org.gcube.resourcemanagement.manager.io.rs.RMCreateContextCode;
-import org.junit.Test;
-
-/**
- * Don't forget to comment!
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-public class LocalCodeExceptionTest {
-
-	/**
-	 * Test method for {@link org.gcube.resourcemanagement.manager.io.codeexceptions.LocalCodeException#CodeException(org.gcube.resourcemanagement.manager.io.codeexceptions.ErrorCode)}.
-	 */
-	@Test
-	public void testCodeException() {
-		LocalCodeException exception = new LocalCodeException(RMCreateContextCode.GENERIC_ERROR_FROM_RR);
-		assertTrue("Unexpected id", exception.getId() == RMCreateContextCode.GENERIC_ERROR_FROM_RR.getId());
-	}
-
-}
diff --git a/io/src/test/java/org/gcube/resourcemanagement/manager/io/codeexceptions/WebCodeExceptionTest.java b/io/src/test/java/org/gcube/resourcemanagement/manager/io/codeexceptions/WebCodeExceptionTest.java
deleted file mode 100644
index 69ace35..0000000
--- a/io/src/test/java/org/gcube/resourcemanagement/manager/io/codeexceptions/WebCodeExceptionTest.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package org.gcube.resourcemanagement.manager.io.codeexceptions;
-
-import static org.junit.Assert.*;
-
-import java.util.Objects;
-
-import org.gcube.resourcemanagement.manager.io.codeexceptions.WebCodeException;
-import org.gcube.resourcemanagement.manager.io.rs.RMCreateContextCode;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.BlockJUnit4ClassRunner;
-
-/**
- * Tests for {@link WebCodeException}s
- * 
- * @author Manuele Simi (ISTI CNR)
- *
- */
-@RunWith(BlockJUnit4ClassRunner.class)
-public class WebCodeExceptionTest {
-
-	/**
-	 * Test method for
-	 * {@link org.gcube.resourcemanagement.manager.io.codeexceptions.WebCodeException#CodeException(org.gcube.resourcemanagement.manager.io.rs.RMCreateContextCode)}.
-	 */
-	@Test
-	public void testWebCodeException() {
-		WebCodeException exception = new WebCodeException(RMCreateContextCode.CONTEXT_ALREADY_EXISTS);
-		// unfortunately, we cannot test the response readEntity method on an
-		// outbound response
-		assertTrue("Unexpected code", Objects.nonNull(exception.getResponse()));
-
-	}
-
-}