managed completely the exceptions

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/data-transfer/uri-resolver@174894 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/datatransfer/resolver/services/AnalyticsCreateResolver.java

@@ -163,7 +163,9 @@ public class AnalyticsCreateResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Error occurred on creating the Analytics for the request "+body+". Please, contact the support!"+"\nCause: "+e.getCause().getMessage();
+				String error = "Error occurred on creating the Analytics for the request "+body+". Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException

src/main/java/org/gcube/datatransfer/resolver/services/AnalyticsGetResolver.java

@@ -88,7 +88,9 @@ public class AnalyticsGetResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Error occurred on resolving the Analytics URL. Please, contact the support!"+"\nCause: "+e.getCause().getMessage();
+				String error = "Error occurred on resolving the Analytics URL. Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException

src/main/java/org/gcube/datatransfer/resolver/services/CatalogueResolver.java

@@ -80,7 +80,9 @@ public class CatalogueResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Error occurred on resolving the Catalgoue URL. Please, contact the support!"+"\nCause: "+e.getCause().getMessage();
+				String error = "Error occurred on resolving the Catalgoue URL. Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException

src/main/java/org/gcube/datatransfer/resolver/services/GeonetworkResolver.java

@@ -464,7 +464,9 @@ public class GeonetworkResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Error during perform POST operation to: "+gnCSWlURL+". Please, contact the support!"+"\nCause: "+e.getCause().getMessage();
+				String error = "Error during perform POST operation to: "+gnCSWlURL+". Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException

src/main/java/org/gcube/datatransfer/resolver/services/GisResolver.java

@@ -166,7 +166,9 @@ public class GisResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Sorry, an error occurred on resolving request with UUID "+gisUUID+" and scope "+scope+". Please, contact support!"+"\n Cause: "+e.getCause().getMessage();
+				String error = "Sorry, an error occurred on resolving request with UUID "+gisUUID+" and scope "+scope+". Please, contact support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), help);
 			}
 			//ALREADY MANAGED AS WebApplicationException

src/main/java/org/gcube/datatransfer/resolver/services/KnimeCreateResolver.java

@@ -86,7 +86,9 @@ public class KnimeCreateResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Sorry, an error occurred on creating Knime URL. Please, contact the support!"+"\n Cause: "+e.getCause().getMessage();
+				String error = "Sorry, an error occurred on creating Knime URL. Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException

src/main/java/org/gcube/datatransfer/resolver/services/KnimeGetResolver.java

@@ -86,7 +86,9 @@ public class KnimeGetResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Sorry, an error occurred on resolving the Knime URL. Please, contact the support!"+"\n Cause: "+e.getCause().getMessage();
+				String error = "Sorry, an error occurred on resolving the Knime URL. Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException

src/main/java/org/gcube/datatransfer/resolver/services/PartheosRegistryResolver.java

@@ -85,7 +85,9 @@ public class PartheosRegistryResolver {
 
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
-				String error = "Error occurred on resolving the path "+remainPathParthenosURL+". Please, contact the support!"+"\n Cause: "+e.getCause().getMessage();
+				String error = "Error occurred on resolving the path "+remainPathParthenosURL+". Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
 				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException
@@ -133,7 +135,7 @@ public class PartheosRegistryResolver {
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
 				String error = "Error occurred on transforming the "+jsonRequest+". Please, contact the support!";
-				ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException
 			logger.error("Exception:", e);

src/main/java/org/gcube/datatransfer/resolver/services/SMPIDResolver.java

@@ -8,6 +8,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.QueryParam;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.Response;
 
@@ -28,32 +29,54 @@ public class SMPIDResolver {
 	/**
 	 *
 	 */
-	private static final String help = "https://wiki.gcube-system.org/gcube/URI_Resolver#SMP-ID_Resolver";
+	private static final String helpURI = "https://wiki.gcube-system.org/gcube/URI_Resolver#SMP-ID_Resolver";
 
 	private static final String SMP_ID = "smp-id";
 
 	private static Logger logger = LoggerFactory.getLogger(SMPIDResolver.class);
+
+
 	/**
 	 * Gets the smpid.
 	 *
+	 * @param req the req
 	 * @param smpId the smp id
 	 * @param fileName the file name
 	 * @param contentType the content type
 	 * @param validation the validation
 	 * @return the smpid
+	 * @throws WebApplicationException the web application exception
 	 */
 	@GET
 	@Path("id")
-	public Response getSMPID(@Context HttpServletRequest httpRequest, @QueryParam(SMP_ID) @Nullable String smpId, @QueryParam(ConstantsResolver.QUERY_PARAM_FILE_NAME) String fileName, @QueryParam(ConstantsResolver.QUERY_PARAM_CONTENT_TYPE) String contentType,  @QueryParam(ConstantsResolver.QUERY_PARAM_VALIDATION) Boolean validation){
+	public Response getSMPID(@Context HttpServletRequest req,
+		@QueryParam(SMP_ID) @Nullable String smpId,
+		@QueryParam(ConstantsResolver.QUERY_PARAM_FILE_NAME) String fileName,
+		@QueryParam(ConstantsResolver.QUERY_PARAM_CONTENT_TYPE) String contentType,
+		@QueryParam(ConstantsResolver.QUERY_PARAM_VALIDATION) Boolean validation) throws WebApplicationException{
 		logger.info(this.getClass().getSimpleName()+" GET starts...");
 
-		//Checking mandatory parameter smpId
+		try{
-		if(smpId==null || smpId.isEmpty()){
+			//Checking mandatory parameter smpId
-			logger.error(SMP_ID+" not found");
+			if(smpId==null || smpId.isEmpty()){
-			ExceptionManager.badRequestException(httpRequest, "Missing mandatory parameter "+SMP_ID, SMPIDResolver.class, help);
+				logger.error(SMP_ID+" not found");
+				throw ExceptionManager.badRequestException(req, "Missing mandatory parameter "+SMP_ID, SMPIDResolver.class, helpURI);
+			}
+
+			return StorageIDResolver.resolveStorageId(req, smpId, fileName, contentType, validation);
+
+		}catch (Exception e) {
+
+			if(!(e instanceof WebApplicationException)){
+				//UNEXPECTED EXCEPTION managing it as WebApplicationException
+				String error = "Error occurred on resolving the "+SMP_ID+": "+smpId+". Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
+			}
+			//ALREADY MANAGED AS WebApplicationException
+			logger.error("Exception:", e);
+			throw (WebApplicationException) e;
 		}
-
-		return StorageIDResolver.resolveStorageId(httpRequest, smpId, fileName, contentType, validation);
-
 	}
 }

src/main/java/org/gcube/datatransfer/resolver/services/SMPResolver.java

@@ -21,8 +21,8 @@ import org.slf4j.LoggerFactory;
 /**
  * The Class SMPResolver.
  *
- * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
- * Oct 22, 2018
+ * Dec 14, 2018
  */
 @Path("/")
 public class SMPResolver {
@@ -36,7 +36,6 @@ public class SMPResolver {
 
 	private static Logger logger = LoggerFactory.getLogger(SMPResolver.class);
 
-
 	/**
 	 * Gets the smpuri.
 	 *
@@ -60,11 +59,10 @@ public class SMPResolver {
 		logger.info(this.getClass().getSimpleName()+" GET starts...");
 
 		try{
-
 			//Checking mandatory parameter smpURI
 			if(smpURI==null || smpURI.isEmpty()){
 				logger.error(SMP_URI+" not found");
-				ExceptionManager.badRequestException(req, "Missing mandatory parameter "+SMP_URI, SMPResolver.class, helpURI);
+				throw ExceptionManager.badRequestException(req, "Missing mandatory parameter "+SMP_URI, SMPResolver.class, helpURI);
 			}
 
 			return StorageIDResolver.resolveStorageId(req, smpURI, fileName, contentType, validation);
@@ -74,7 +72,7 @@ public class SMPResolver {
 			if(!(e instanceof WebApplicationException)){
 				//UNEXPECTED EXCEPTION managing it as WebApplicationException
 				String error = "Error occurred on resolving the smpURI "+smpURI+". Please, contact the support!";
-				ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), helpURI);
 			}
 			//ALREADY MANAGED AS WebApplicationException
 			logger.error("Exception:", e);

src/main/java/org/gcube/datatransfer/resolver/services/StorageHubResolver.java

@@ -5,6 +5,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.Response;
 
@@ -15,6 +16,13 @@ import org.gcube.smartgears.utils.InnerMethodName;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+
+/**
+ * The Class StorageHubResolver.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
+ * Dec 14, 2018
+ */
 @Path("shub/{id}")
 public class StorageHubResolver {
 
@@ -31,63 +39,103 @@ public class StorageHubResolver {
 	@PathParam(STORAGE_HUB_ID)
 	String id;
 
+
+	/**
+	 * Download.
+	 *
+	 * @param req the req
+	 * @return the response
+	 */
 	@GET
 	@Path("")
-	public Response download(@Context HttpServletRequest httpRequest) {
+	public Response download(@Context HttpServletRequest req) {
-		InnerMethodName.instance.set("resolveStorageHubPublicLink");
 		logger.info(this.getClass().getSimpleName()+" GET starts...");
-		StorageHubClient shc = new StorageHubClient();
-
-		//Checking mandatory parameter id
-		if(id==null || id.isEmpty()){
-			logger.error("Path Parameter "+STORAGE_HUB_ID+" not found");
-			ExceptionManager.badRequestException(httpRequest, "Missing mandatory path parameter "+STORAGE_HUB_ID, StorageHubResolver.class, help);
-		}
 
 		try{
-			StreamDescriptor descriptor = shc.open(id).asFile().download();
+			InnerMethodName.instance.set("resolveStorageHubPublicLink");
-			return Response
+			StorageHubClient shc = new StorageHubClient();
-					.ok(descriptor.getStream())
-					.header("content-disposition","attachment; filename = \""+descriptor.getFileName()+"\"").build();
 
-		}catch(Exception e){
+			//Checking mandatory parameter id
-			logger.error("Error on getting file with "+id, e);
+			if(id==null || id.isEmpty()){
-			String errorMsg =  "Error on getting file with hub id '"+id+"'. "+e.getMessage();
+				logger.error("Path Parameter "+STORAGE_HUB_ID+" not found");
-			ExceptionManager.internalErrorException(httpRequest, errorMsg, StorageHubResolver.class, help);
+				throw ExceptionManager.badRequestException(req, "Missing mandatory path parameter "+STORAGE_HUB_ID, StorageHubResolver.class, help);
-			return null;
+			}
+
+			try{
+				StreamDescriptor descriptor = shc.open(id).asFile().download();
+				return Response
+						.ok(descriptor.getStream())
+						.header("content-disposition","attachment; filename = \""+descriptor.getFileName()+"\"").build();
+
+			}catch(Exception e){
+				logger.error("Error on getting file with "+id, e);
+				String errorMsg =  "Error on getting file with hub id '"+id+"'. "+e.getMessage();
+				throw ExceptionManager.internalErrorException(req, errorMsg, StorageHubResolver.class, help);
+
+			}
+
+		}catch (Exception e) {
+
+			if(!(e instanceof WebApplicationException)){
+				//UNEXPECTED EXCEPTION managing it as WebApplicationException
+				String error = "Error occurred on resolving the StorageHub URL with id: "+id+". Please, contact the support!";
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), help);
+			}
+			//ALREADY MANAGED AS WebApplicationException
+			logger.error("Exception:", e);
+			throw (WebApplicationException) e;
 		}
 	}
 
+	/**
+	 * Download version.
+	 *
+	 * @param req the req
+	 * @param version the version
+	 * @return the response
+	 */
 	@GET
 	@Path("{version}")
-	public Response downloadVersion(@Context HttpServletRequest httpRequest, @PathParam("version") String version) {
+	public Response downloadVersion(@Context HttpServletRequest req, @PathParam("version") String version) {
-		InnerMethodName.instance.set("resolveStorageHubPublicLinkWithVersion");
+		logger.info(this.getClass().getSimpleName() +" GET downloadVersion called");
-		logger.info(this.getClass().getSimpleName() +" downloadVersion called");
-		StorageHubClient shc = new StorageHubClient();
 
-		//Checking mandatory parameter id
-		if(id==null || id.isEmpty()){
-			logger.error("Path Parameter "+STORAGE_HUB_ID+" not found");
-			ExceptionManager.badRequestException(httpRequest, "Missing mandatory path parameter "+STORAGE_HUB_ID, StorageHubResolver.class, help);
-		}
-
-		//Checking mandatory parameter id
-		if(version==null || version.isEmpty()){
-			logger.error("Parameter 'version' not found");
-			ExceptionManager.badRequestException(httpRequest, "Missing mandatory parameter 'version'", StorageHubResolver.class, help);
-		}
 		try{
+			InnerMethodName.instance.set("resolveStorageHubPublicLinkWithVersion");
+			StorageHubClient shc = new StorageHubClient();
 
-			StreamDescriptor descriptor = shc.open(id).asFile().downloadSpecificVersion(version);
+			//Checking mandatory parameter id
-			return Response
+			if(id==null || id.isEmpty()){
-					.ok(descriptor.getStream())
+				logger.error("Path Parameter "+STORAGE_HUB_ID+" not found");
-					.header("content-disposition","attachment; filename = \""+descriptor.getFileName()+"\"").build();
+				throw ExceptionManager.badRequestException(req, "Missing mandatory path parameter "+STORAGE_HUB_ID, StorageHubResolver.class, help);
+			}
 
-		}catch(Exception e){
+			//Checking mandatory parameter id
-			String errorMsg = "Error on getting versioned file with hub id '"+id+ "' and version '"+version+"'";
+			if(version==null || version.isEmpty()){
-			logger.error(errorMsg, e);
+				logger.error("Parameter 'version' not found");
-			ExceptionManager.internalErrorException(httpRequest, errorMsg, StorageHubResolver.class, help);
+				throw ExceptionManager.badRequestException(req, "Missing mandatory parameter 'version'", StorageHubResolver.class, help);
-			return null;
+			}
+			try{
+
+				StreamDescriptor descriptor = shc.open(id).asFile().downloadSpecificVersion(version);
+				return Response
+						.ok(descriptor.getStream())
+						.header("content-disposition","attachment; filename = \""+descriptor.getFileName()+"\"").build();
+
+			}catch(Exception e){
+				String errorMsg = "Error on getting versioned file with hub id '"+id+ "' and version '"+version+"'";
+				logger.error(errorMsg, e);
+				throw ExceptionManager.internalErrorException(req, errorMsg, StorageHubResolver.class, help);
+			}
+		}catch (Exception e) {
+
+			if(!(e instanceof WebApplicationException)){
+				//UNEXPECTED EXCEPTION managing it as WebApplicationException
+				String error = "Error occurred on resolving the StorageHub URL with id: "+id+" and version: "+version+". Please, contact the support!";
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), help);
+			}
+			//ALREADY MANAGED AS WebApplicationException
+			logger.error("Exception:", e);
+			throw (WebApplicationException) e;
 		}
 	}
 }

src/main/java/org/gcube/datatransfer/resolver/services/StorageIDResolver.java

@@ -3,13 +3,13 @@ package org.gcube.datatransfer.resolver.services;
 import java.io.IOException;
 import java.io.InputStream;
 
-import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.GET;
 import javax.ws.rs.HEAD;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.QueryParam;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.ResponseBuilder;
@@ -29,13 +29,12 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 
+
 /**
- * The Class StorageManager.
+ * The Class StorageIDResolver.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
- * @author Lucio Lelii
+ * Dec 14, 2018
- *
- * Oct 19, 2018
  */
 @Path("storage")
 public class StorageIDResolver {
@@ -54,23 +53,43 @@ public class StorageIDResolver {
 	/**
 	 * Gets the storage id.
 	 *
-	 * @param httpRequest the http request
+	 * @param req the req
 	 * @param storageId the storage id
 	 * @param fileName the file name
 	 * @param contentType the content type
 	 * @param validation the validation
 	 * @return the storage id
+	 * @throws WebApplicationException the web application exception
 	 */
 	@GET
 	@Path("{storage-id}")
-	public Response getStorageId(@Context HttpServletRequest httpRequest, @PathParam(STORAGE_ID) String storageId, @QueryParam(ConstantsResolver.QUERY_PARAM_FILE_NAME) String fileName, @QueryParam(ConstantsResolver.QUERY_PARAM_CONTENT_TYPE) String contentType, @QueryParam(ConstantsResolver.QUERY_PARAM_VALIDATION) Boolean validation) {
+	public Response getStorageId(@Context HttpServletRequest req,
+		@PathParam(STORAGE_ID) String storageId,
+		@QueryParam(ConstantsResolver.QUERY_PARAM_FILE_NAME) String fileName,
+		@QueryParam(ConstantsResolver.QUERY_PARAM_CONTENT_TYPE) String contentType,
+		@QueryParam(ConstantsResolver.QUERY_PARAM_VALIDATION) Boolean validation) throws WebApplicationException {
+
 		logger.info(this.getClass().getSimpleName()+" GET starts...");
-		//Checking mandatory parameter storageId
+
-		if(storageId==null || storageId.isEmpty()){
+		try{
-			logger.error(STORAGE_ID+" not found");
+			if(storageId==null || storageId.isEmpty()){
-			ExceptionManager.badRequestException(httpRequest,  "Missing mandatory path parameter "+STORAGE_ID, StorageIDResolver.class, help);
+				logger.error(STORAGE_ID+" not found");
+				throw ExceptionManager.badRequestException(req,  "Missing mandatory path parameter "+STORAGE_ID, StorageIDResolver.class, help);
+			}
+			return resolveStorageId(req, storageId, fileName, contentType, validation);
+		}catch (Exception e) {
+
+			if(!(e instanceof WebApplicationException)){
+				//UNEXPECTED EXCEPTION managing it as WebApplicationException
+				String error = "Error occurred on resolving the Storage ID: "+storageId+". Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), help);
+			}
+			//ALREADY MANAGED AS WebApplicationException
+			logger.error("Exception:", e);
+			throw (WebApplicationException) e;
 		}
-		return resolveStorageId(httpRequest, storageId, fileName, contentType, validation);
 	}
 
 
@@ -83,15 +102,16 @@ public class StorageIDResolver {
 	 * @param contentType the content type
 	 * @param validation the validation
 	 * @return the response
+	 * @throws Exception the exception
 	 */
-	protected static Response resolveStorageId(HttpServletRequest httpRequest, String storageId, String fileName, String contentType, Boolean validation) {
+	protected static Response resolveStorageId(HttpServletRequest httpRequest, String storageId, String fileName, String contentType, Boolean validation) throws Exception{
 
 		logger.info("storage-id: "+storageId+", fileName: "+fileName+", contentType: "+contentType+", validation: "+validation);
 
 		//Checking mandatory parameter storageId
 		if (storageId == null || storageId.isEmpty()) {
 			logger.error("storageId not found");
-			ExceptionManager.badRequestException(httpRequest,  "Missing mandatory path parameter "+STORAGE_ID, StorageIDResolver.class, help);
+			throw ExceptionManager.badRequestException(httpRequest,  "Missing mandatory path parameter "+STORAGE_ID, StorageIDResolver.class, help);
 		}
 
 		StorageClient client = getStorageClientInstance(storageId);
@@ -104,12 +124,12 @@ public class StorageIDResolver {
 			logger.info("Decoded ID"+" = "+ toSEID);
 		}catch(Exception e){
 			logger.error("Storage Client Exception when getting file from storage: ", e);
-			ExceptionManager.notFoundException(httpRequest, "Storage Client Exception when getting file from storage with id: "+storageId, StorageIDResolver.class, help);
+			throw ExceptionManager.notFoundException(httpRequest, "Storage Client Exception when getting file from storage with id: "+storageId, StorageIDResolver.class, help);
 		}
 
 		if(toSEID==null || toSEID.isEmpty()){
 			logger.error("Decrypted id for storageId: "+storageId +" is null or empty!");
-			ExceptionManager.notFoundException(httpRequest, "Error on decrypting the "+STORAGE_ID+ " '"+storageId+"'. Is it a valid id?", StorageIDResolver.class, help);
+			throw ExceptionManager.notFoundException(httpRequest, "Error on decrypting the "+STORAGE_ID+ " '"+storageId+"'. Is it a valid id?", StorageIDResolver.class, help);
 		}
 
 		long size = iClient.getSize().RFileById(toSEID);
@@ -144,7 +164,10 @@ public class StorageIDResolver {
 				.ok(so)
 				.header(ConstantsResolver.CONTENT_DISPOSITION,"attachment; filename = \""+fileName+"\"")
 				.header(ConstantsResolver.CONTENT_LENGTH, size);
-		if (contentType!= null) response.header("Content-Type",contentType);
+
+		if (contentType!= null)
+			response.header("Content-Type",contentType);
+
 		return response.build();
 
 	}
@@ -153,43 +176,60 @@ public class StorageIDResolver {
 	/**
 	 * Http do head.
 	 *
-	 * @param httpRequest the http request
+	 * @param req the http request
 	 * @param storageId the storage id
 	 * @param hproxycheck the hproxycheck
 	 * @return the response
-	 * @throws ServletException the servlet exception
+	 * @throws WebApplicationException the web application exception
-	 * @throws IOException Signals that an I/O exception has occurred.
 	 */
 	@HEAD
 	@Path("{storage-id}")
-	public Response httpDoHead(@Context HttpServletRequest httpRequest, @PathParam(STORAGE_ID) String storageId, @QueryParam(ConstantsResolver.HPC) Boolean hproxycheck) throws ServletException, IOException {
+	public Response httpDoHead(@Context HttpServletRequest req,
+		@PathParam(STORAGE_ID) String storageId,
+		@QueryParam(ConstantsResolver.HPC) Boolean hproxycheck) throws WebApplicationException {
+
 		logger.info(this.getClass().getSimpleName()+" HEAD starts...");
 
-		//THIS IS FOR HPROXY CHECK
+		try{
-		if(hproxycheck==null ||  hproxycheck){
+			//THIS IS FOR HPROXY CHECK
-			logger.trace("returning status 200 for Hproxy check");
+			if(hproxycheck==null ||  hproxycheck){
-			ResponseBuilder response = Response.status(HttpStatus.SC_OK);
+				logger.trace("returning status 200 for Hproxy check");
-			return response.build();
+				ResponseBuilder response = Response.status(HttpStatus.SC_OK);
+				return response.build();
+			}
+
+			return validationPayload(req, storageId);
+
+		}catch (Exception e) {
+
+			if(!(e instanceof WebApplicationException)){
+				//UNEXPECTED EXCEPTION managing it as WebApplicationException
+				String error = "Error occurred on resolving the Storage ID: "+storageId+". Please, contact the support!";
+				if(e.getCause()!=null)
+					error+="\n\nCaused: "+e.getCause().getMessage();
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), help);
+			}
+			//ALREADY MANAGED AS WebApplicationException
+			logger.error("Exception:", e);
+			throw (WebApplicationException) e;
 		}
-
-		return validationPayload(httpRequest, storageId);
 	}
 
 
-
 	/**
 	 * Validation payload.
 	 *
 	 * @param httpRequest the http request
 	 * @param storageId the storage id
 	 * @return the response
+	 * @throws Exception the exception
 	 */
-	protected Response validationPayload(HttpServletRequest httpRequest, String storageId){
+	protected Response validationPayload(HttpServletRequest httpRequest, String storageId) throws Exception{
 
 		//Checking mandatory parameter storageId
 		if (storageId == null || storageId.isEmpty()) {
 			logger.warn("storageId not found");
-			ExceptionManager.badRequestException(httpRequest, "Storage Client Exception when getting file from storage with id: "+storageId, this.getClass(), help);
+			throw ExceptionManager.badRequestException(httpRequest, "Storage Client Exception when getting file from storage with id: "+storageId, this.getClass(), help);
 		}
 		StorageClient client = getStorageClientInstance(storageId);
 		String toSEID = null;
@@ -200,12 +240,12 @@ public class StorageIDResolver {
 			logger.debug("Decoded ID"+" = "+ toSEID);
 		}catch(Exception e){
 			logger.error("Storage Client Exception when getting file from storage: ", e);
-			ExceptionManager.internalErrorException(httpRequest, "Storage Client Exception when getting file from storage with id: "+storageId, StorageIDResolver.class, help);
+			throw ExceptionManager.internalErrorException(httpRequest, "Storage Client Exception when getting file from storage with id: "+storageId, StorageIDResolver.class, help);
 		}
 
 		if(toSEID==null || toSEID.isEmpty()){
 			logger.error("Decrypted id for storageId: "+storageId +" is null or empty!");
-			ExceptionManager.notFoundException(httpRequest, "Error on decrypting the "+STORAGE_ID+ " '"+storageId+"'. Is it a valid id?", StorageIDResolver.class, help);
+			throw ExceptionManager.notFoundException(httpRequest, "Error on decrypting the "+STORAGE_ID+ " '"+storageId+"'. Is it a valid id?", StorageIDResolver.class, help);
 		}
 
 
@@ -223,15 +263,15 @@ public class StorageIDResolver {
 				IOUtils.closeQuietly(streamToWrite);
 				response = Response.status(HttpStatus.SC_OK);
 			}else
-				ExceptionManager.notFoundException(httpRequest, "The file with id: "+storageId+" is missing in the storage", StorageIDResolver.class, help);
+				throw ExceptionManager.notFoundException(httpRequest, "The file with id: "+storageId+" is missing in the storage", StorageIDResolver.class, help);
 		}
 		catch (IOException e2) {
 			logger.error("Error on validating the file: ",e2);
-			ExceptionManager.internalErrorException(httpRequest, "Error on validating the file with id: "+storageId, StorageIDResolver.class, help);
+			throw ExceptionManager.internalErrorException(httpRequest, "Error on validating the file with id: "+storageId, StorageIDResolver.class, help);
 		}
 
 		if(response==null)
-			ExceptionManager.internalErrorException(httpRequest, "Error on validating the file with id: "+storageId, StorageIDResolver.class, help);
+			throw ExceptionManager.internalErrorException(httpRequest, "Error on validating the file with id: "+storageId, StorageIDResolver.class, help);
 
 		return response.build();
 
@@ -243,8 +283,9 @@ public class StorageIDResolver {
 	 *
 	 * @param storageId the storage id
 	 * @return the storage client instance
+	 * @throws Exception the exception
 	 */
-	protected static StorageClient getStorageClientInstance(String storageId){
+	protected static StorageClient getStorageClientInstance(String storageId) throws Exception{
 
 		MemoryType memory=null;
 		if(storageId.endsWith(org.gcube.contentmanagement.blobstorage.transport.backend.util.Costants.VOLATILE_URL_IDENTIFICATOR)){

src/main/java/org/gcube/datatransfer/resolver/services/UriResolverIndex.java

@@ -11,11 +11,11 @@ import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response.Status;
 
-import org.gcube.datatransfer.resolver.services.exceptions.InternalServerException;
+import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -32,7 +32,7 @@ public class UriResolverIndex {
 	@GET
 	@Produces({MediaType.TEXT_HTML})
 	@Path("index")
-	public InputStream index(@Context HttpServletRequest req){
+	public InputStream index(@Context HttpServletRequest req) throws WebApplicationException{
 
 		String indexFile = "/WEB-INF/jsp/index.jsp";
 
@@ -40,11 +40,17 @@ public class UriResolverIndex {
 			logger.info("UriResolverIndex called");
 	        String realPath = req.getServletContext().getRealPath(indexFile);
 	        return new FileInputStream(new File(realPath));
-		}catch(Exception e){
+		}catch (Exception e) {
-			logger.error("Error on getting "+indexFile, e);
-			throw new InternalServerException(req, Status.NOT_FOUND, "Index.jsp not found", UriResolverIndex.class, null);
-		}
 
+			if(!(e instanceof WebApplicationException)){
+				//UNEXPECTED EXCEPTION managing it as WebApplicationException
+				String error = "Index.jsp not found. Please, contact the support!";
+				throw ExceptionManager.internalErrorException(req, error, this.getClass(), null);
+			}
+			//ALREADY MANAGED AS WebApplicationException
+			logger.error("Exception:", e);
+			throw (WebApplicationException) e;
+		}
 	}
 
 	@GET
@@ -53,12 +59,5 @@ public class UriResolverIndex {
 	public InputStream info(@Context HttpServletRequest req){
 		return index(req);
 	}
-
-//	@GET
-//	@Produces({MediaType.TEXT_HTML})
-//	@Path("")
-//	public InputStream emptyPath(@Context HttpServletRequest req){
-//		return index(req);
-//	}
 }