diff --git a/src/main/java/eu/hbp/mip/controllers/ExperimentApi.java b/src/main/java/eu/hbp/mip/controllers/ExperimentApi.java
index 873dba34923825c3aacdbb90759a5fc3fabae3a2..b936cdd35a7dadb97ca7d1d95a2a0167d00527b8 100644
--- a/src/main/java/eu/hbp/mip/controllers/ExperimentApi.java
+++ b/src/main/java/eu/hbp/mip/controllers/ExperimentApi.java
@@ -13,12 +13,10 @@ import eu.hbp.mip.controllers.retrofit.RetrofitClientInstance;
 import eu.hbp.mip.dto.ErrorResponse;
 import eu.hbp.mip.dto.GalaxyWorkflowResult;
 import eu.hbp.mip.dto.PostWorkflowToGalaxyDtoResponse;
-import eu.hbp.mip.helpers.LogHelper;
 import eu.hbp.mip.model.*;
 import eu.hbp.mip.repositories.ExperimentRepository;
 import eu.hbp.mip.repositories.ModelRepository;
 import eu.hbp.mip.utils.HTTPUtil;
-import eu.hbp.mip.utils.JWTUtil;
 import eu.hbp.mip.utils.UserActionLogging;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -300,7 +298,7 @@ public class ExperimentApi {
                     }
                 }
 
-                if(!resultFound) {      // If there is no visible result
+                if (!resultFound) {      // If there is no visible result
                     UserActionLogging.LogAction("Get workflow experiment", "No visible result");
                     experiment.setResult(new ErrorResponse("The workflow has no visible result.", "500").toString());
                     experiment.setHasError(true);
@@ -333,7 +331,7 @@ public class ExperimentApi {
                     }
                 }
 
-                if(!failedJobFound) {      // If there is no visible failed job
+                if (!failedJobFound) {      // If there is no visible failed job
                     UserActionLogging.LogAction("Get workflow experiment", "No failed result");
                     experiment.setResult(new ErrorResponse("The workflow has no failed result.", "500").toString());
                     experiment.setHasError(true);
@@ -477,20 +475,20 @@ public class ExperimentApi {
 
     /**
      * @param jobId the id of the workflow job that failed
-     * @return  the error that was produced or null if an error occurred
+     * @return the error that was produced or null if an error occurred
      */
-    public String getWorkflowJobError(String jobId){
+    public String getWorkflowJobError(String jobId) {
         UserActionLogging.LogAction("Get workflow job error", " jobId : " + jobId);
 
         RetroFitGalaxyClients service = RetrofitClientInstance.getRetrofitInstance().create(RetroFitGalaxyClients.class);
-        Call<Object> callError = service.getErrorMessageOfWorkflowFromGalaxy(jobId,galaxyApiKey);
+        Call<Object> callError = service.getErrorMessageOfWorkflowFromGalaxy(jobId, galaxyApiKey);
 
         String fullError = null;
         String returnError = null;
         try {
             Response<Object> response = callError.execute();
-            if(response.code() >= 400){
-                UserActionLogging.LogAction("Get workflow job error","Response code: "
+            if (response.code() >= 400) {
+                UserActionLogging.LogAction("Get workflow job error", "Response code: "
                         + response.code() + " with body: " + (response.errorBody() != null ? response.errorBody().string() : " "));
                 return null;
             }
@@ -500,19 +498,19 @@ public class ExperimentApi {
             JsonElement jsonElement = new JsonParser().parse(jsonString);
             JsonObject rootObject = jsonElement.getAsJsonObject();
             fullError = rootObject.get("stderr").getAsString();
-            UserActionLogging.LogAction("Get workflow job error","Error: " + fullError);
+            UserActionLogging.LogAction("Get workflow job error", "Error: " + fullError);
 
             String[] arrOfStr = fullError.split("ValueError", 0);
-            String specError = arrOfStr[arrOfStr.length-1];
+            String specError = arrOfStr[arrOfStr.length - 1];
             returnError = specError.substring(1);
-            UserActionLogging.LogAction("Get workflow job error","Parsed Error: " + returnError);
+            UserActionLogging.LogAction("Get workflow job error", "Parsed Error: " + returnError);
 
         } catch (IOException e) {
-            UserActionLogging.LogAction("Get workflow job error","Exception: " + e.getMessage());
+            UserActionLogging.LogAction("Get workflow job error", "Exception: " + e.getMessage());
             return null;
         }
 
-        UserActionLogging.LogAction("Get workflow job error","Completed successfully!");
+        UserActionLogging.LogAction("Get workflow job error", "Completed successfully!");
 
         return returnError;
     }
diff --git a/src/main/java/eu/hbp/mip/controllers/GalaxyAPI.java b/src/main/java/eu/hbp/mip/controllers/GalaxyAPI.java
deleted file mode 100644
index 41c8a6576b4277658c58ec4e4d2b5afcc0f66359..0000000000000000000000000000000000000000
--- a/src/main/java/eu/hbp/mip/controllers/GalaxyAPI.java
+++ /dev/null
@@ -1,485 +0,0 @@
-package eu.hbp.mip.controllers;
-
-import com.github.jmchilton.blend4j.galaxy.GalaxyInstance;
-import com.github.jmchilton.blend4j.galaxy.GalaxyInstanceFactory;
-import com.github.jmchilton.blend4j.galaxy.WorkflowsClient;
-import com.github.jmchilton.blend4j.galaxy.beans.Workflow;
-import com.github.jmchilton.blend4j.galaxy.beans.WorkflowDetails;
-import com.github.jmchilton.blend4j.galaxy.beans.WorkflowInputDefinition;
-import com.google.gson.*;
-import eu.hbp.mip.controllers.retrofit.RetroFitGalaxyClients;
-import eu.hbp.mip.controllers.retrofit.RetrofitClientInstance;
-import eu.hbp.mip.dto.ErrorResponse;
-import eu.hbp.mip.dto.GalaxyWorkflowResult;
-import eu.hbp.mip.dto.PostWorkflowToGalaxyDtoResponse;
-import eu.hbp.mip.dto.StringDtoResponse;
-import eu.hbp.mip.helpers.LogHelper;
-import org.codehaus.jettison.json.JSONException;
-import org.codehaus.jettison.json.JSONObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.http.HttpEntity;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
-import org.springframework.security.core.annotation.AuthenticationPrincipal;
-import org.springframework.security.core.userdetails.UserDetails;
-import org.springframework.web.bind.annotation.*;
-import retrofit2.Call;
-import retrofit2.Response;
-
-import java.io.IOException;
-import java.util.*;
-
-@RestController
-@RequestMapping("/galaxyApi/")
-class GalaxyAPI {
-
-    private static final Logger logger = LoggerFactory.getLogger(GalaxyAPI.class);
-
-    //The galaxy URL
-    private final String url = "123";
-
-    //The galaxy ApiKey
-    private final String apiKey = "123;";
-
-    /**
-     * Test if integration works.
-     *
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "getTestIntegration", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getTestIntegration(@AuthenticationPrincipal UserDetails userDetails){
-        logger.info(LogHelper.logUser(userDetails) + "Get Test Integration called");
-        return ResponseEntity.ok(new StringDtoResponse("success"));
-    }
-
-    /**
-     * Get Galaxy Reverse Proxy basic access token.
-     *
-     * @return Return a @{@link ResponseEntity} with the token.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "getGalaxyBasicAccessToken", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getGalaxyBasicAccessToken(@AuthenticationPrincipal UserDetails userDetails){
-        logger.info(LogHelper.logUser(userDetails) + "Get Galaxy Basic Access Token called");
-        String username = "admin";
-        String password = "passwrod";
-
-        String stringEncoded = Base64.getEncoder().encodeToString((username + ":" + password).getBytes());
-        logger.info(LogHelper.logUser(userDetails) + "Get Galaxy Basic Access Token completed");
-        return ResponseEntity.ok(username + ":" + password);
-        //        return ResponseEntity.ok(new StringDtoResponse(stringEncoded));
-    }
-
-    /**
-     * Get all the workflows with few details.
-     *
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "getWorkflows", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getWorkflows(@AuthenticationPrincipal UserDetails userDetails) {
-        logger.info(LogHelper.logUser(userDetails) + "Get workflows called");
-
-        final GalaxyInstance instance = GalaxyInstanceFactory.get(url, apiKey);
-        final WorkflowsClient workflowsClient = instance.getWorkflowsClient();
-
-        ArrayList<Workflow> workflowArrayList = new ArrayList<>();
-        workflowArrayList.addAll(workflowsClient.getWorkflows());
-        logger.info(LogHelper.logUser(userDetails) + "Get workflows completed");
-
-        return ResponseEntity.ok(workflowArrayList);
-    }
-
-    /**
-     * Get details for a specific workflow.
-     *
-     * @param id : The id as @{@link String} for the specific workflow.
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "/getDetailWorkflow/{id}", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getDetailWorkflow(@AuthenticationPrincipal UserDetails userDetails, @PathVariable String id) {
-        logger.info(LogHelper.logUser(userDetails) + "Get detail workflow called");
-
-        final GalaxyInstance instance = GalaxyInstanceFactory.get(url, apiKey);
-        final WorkflowsClient workflowsClient = instance.getWorkflowsClient();
-
-        Workflow matchingWorkflow = null;
-        for(Workflow workflow : workflowsClient.getWorkflows()) {
-            if(workflow.getId().equals(id)) {
-                matchingWorkflow = workflow;
-            }
-        }
-        if(matchingWorkflow == null){
-            logger.error(LogHelper.logUser(userDetails) + "Get detail workflow could not find workflow with id : " + id);
-            return ResponseEntity.notFound().build();
-        }
-        final WorkflowDetails workflowDetails = workflowsClient.showWorkflow(matchingWorkflow.getId());
-        logger.info(LogHelper.logUser(userDetails) + "Get detail workflow completed");
-
-        return ResponseEntity.ok(workflowDetails);
-    }
-
-    /**
-     * Get all the workflows with details.
-     *
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "getAllWorkflowWithDetails", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getAllWorkflowWithDetails(@AuthenticationPrincipal UserDetails userDetails) {
-        logger.info(LogHelper.logUser(userDetails) + "Get all workflow with details called");
-
-        final GalaxyInstance instance = GalaxyInstanceFactory.get(url, apiKey);
-        final WorkflowsClient workflowsClient = instance.getWorkflowsClient();
-
-        List<Workflow> workflowList = new ArrayList<Workflow>();
-        for(Workflow workflow : workflowsClient.getWorkflows()) {
-            workflowList.add(workflow);
-        }
-
-        List<WorkflowDetails> workflowDetailsList = new ArrayList<>();
-        for(Workflow workflow : workflowList){
-            workflowDetailsList.add(workflowsClient.showWorkflow(workflow.getId()));
-        }
-        logger.info(LogHelper.logUser(userDetails) + "Get all workflow with details completed");
-
-        return ResponseEntity.ok(workflowDetailsList);
-    }
-
-    /**
-     * Invoke a workflow.
-     *
-     * @param id : The id as @{@link String} of the workflow.
-     * @param httpEntity : The @{@link HttpEntity} to get the body of the request which is the parameter of the workflow.
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.POST, value = "/runWorkflow/{id}", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity runWorkflow(@AuthenticationPrincipal UserDetails userDetails, @PathVariable String id, HttpEntity<String> httpEntity) {
-        logger.info(LogHelper.logUser(userDetails) + "Run workflow called");
-
-        //In order to parse Json with undefined number of value/key
-        String json = httpEntity.getBody();
-        JSONObject jObject  = null;
-        try {
-            jObject = new JSONObject(json);
-        } catch (JSONException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot parse JSON", e);
-        }
-        Map<String,String> allJsonParams = new HashMap<String,String>();
-        Iterator iter = jObject.keys();
-        while(iter.hasNext()){
-            String key = (String)iter.next();
-            String value = null;
-            try {
-                value = jObject.getString(key);
-            } catch (JSONException e) {
-                logger.error(LogHelper.logUser(userDetails) + "Cannot parse JSON", e);
-            }
-            logger.info(LogHelper.logUser(userDetails) + "Put to map: " + key + " : " + value);
-            allJsonParams.put(key,value);
-        }
-        final GalaxyInstance instance = GalaxyInstanceFactory.get(url, apiKey);
-        final WorkflowsClient workflowsClient = instance.getWorkflowsClient();
-
-        Workflow matchingWorkflow = null;
-        for(Workflow workflow : workflowsClient.getWorkflows()) {
-            if(workflow.getId().equals(id)) {
-                matchingWorkflow = workflow;
-            }
-        }
-        if(matchingWorkflow == null){
-            logger.error(LogHelper.logUser(userDetails) + "Run workflow could not find workflow with id : " + id + " ,in order to get missing input parameters");
-            return ResponseEntity.notFound().build();
-        }
-        final WorkflowDetails workflowDetails = workflowsClient.showWorkflow(matchingWorkflow.getId());
-        for (Map.Entry<String, WorkflowInputDefinition> entry : workflowDetails.getInputs().entrySet()) {
-            if(!(allJsonParams.containsKey(entry.getValue().getUuid()))) {
-                logger.warn("Find extra value with label:" + entry.getValue().getLabel() + ", and uuid:" + entry.getValue().getUuid() + ", that is mandatory to run the workflow. The uuid will be automate add it with empty value in the parameters to run the workflow.");
-                allJsonParams.put(entry.getValue().getUuid(), "");
-            }
-        }
-
-        ////
-
-        StringBuffer stringBuffer = new StringBuffer("{\n" +
-                "\t\"inputs\": {\n");
-        for (Map.Entry<String, String> entry : allJsonParams.entrySet()) {
-            stringBuffer.append("\t\t\"" + entry.getKey() + "\" " + " : \"" + entry.getValue() + "\",\n");
-            logger.debug(LogHelper.logUser(userDetails) + entry.getKey() + "/" + entry.getValue());
-        }
-        //Remove Last Comma
-        stringBuffer.deleteCharAt(stringBuffer.length() - 2);
-        stringBuffer.append("\t}\n");
-        stringBuffer.append("}");
-        logger.info(LogHelper.logUser(userDetails) + stringBuffer.toString());
-
-        JsonObject jsonObject = new JsonParser().parse(stringBuffer.toString()).getAsJsonObject();
-
-        RetroFitGalaxyClients service = RetrofitClientInstance.getRetrofitInstance().create(RetroFitGalaxyClients.class);
-        Call<PostWorkflowToGalaxyDtoResponse> call = service.postWorkflowToGalaxy(id, apiKey, jsonObject);
-
-        PostWorkflowToGalaxyDtoResponse postWorkflowToGalaxyDtoResponse = null;
-        try {
-            Response<PostWorkflowToGalaxyDtoResponse> response = call.execute();
-            if(response.code() >= 400){
-                //Value are read it from streams.
-                Integer codeErr = response.code();
-                String msgErr = response.errorBody().string();
-                logger.error(LogHelper.logUser(userDetails) + "Resonse code: " + codeErr + "" + " with body: " + msgErr);
-                logger.info("---" + msgErr);
-                JSONObject jObjectError  = null;
-                try {
-                    jObjectError = new JSONObject(msgErr);
-                } catch (JSONException e) {
-                    logger.error(LogHelper.logUser(userDetails) + "Cannot parse Error JSON", e);
-                }
-                logger.info(jObjectError.toString());
-                String errMsg = jObjectError.get("err_msg").toString();
-                String errCode = jObjectError.get("err_code").toString();
-
-                response.errorBody();
-                return ResponseEntity
-                        .status(HttpStatus.BAD_REQUEST)
-                        .body(new ErrorResponse(errMsg,errCode));
-            }
-            postWorkflowToGalaxyDtoResponse = response.body();
-            logger.info(LogHelper.logUser(userDetails) + "----" + response.body() + "----" + response.code());
-        } catch (IOException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot make the call to Galaxy API", e);
-            return ResponseEntity
-                    .status(HttpStatus.BAD_REQUEST)
-                    .body(new ErrorResponse("An error has been occurred","99"));
-        } catch (JSONException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot find field in Error Json", e);
-            return ResponseEntity
-                    .status(HttpStatus.BAD_REQUEST)
-                    .body(new ErrorResponse("An error has been occurred","99"));
-        }
-        logger.info(LogHelper.logUser(userDetails) + "Run workflow completed");
-
-        return ResponseEntity.ok(postWorkflowToGalaxyDtoResponse);
-    }
-
-    /**
-     * Get the status of a specific workflow.
-     *
-     * @param id : The id as @{@link String} of the workflow.
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "/getWorkflowStatus/{id}", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getWorkflowStatus(@AuthenticationPrincipal UserDetails userDetails, @PathVariable String id) {
-        logger.info(LogHelper.logUser(userDetails) + "Get workflow status called");
-
-        RetroFitGalaxyClients service = RetrofitClientInstance.getRetrofitInstance().create(RetroFitGalaxyClients.class);
-        Call<Object> call = service.getWorkflowStatusFromGalaxy(id,apiKey);
-
-        String jsonString = null;
-        try {
-            Response<Object> response = call.execute();
-            if(response.code() >= 400){
-                logger.error(LogHelper.logUser(userDetails) + "Resonse code: " + response.code() + "" + " with body: " + response.errorBody().string());
-                return ResponseEntity.badRequest().build();
-            }
-            jsonString = new Gson().toJson(response.body());
-            logger.info(LogHelper.logUser(userDetails) + jsonString);
-
-            logger.info(LogHelper.logUser(userDetails) + "----" + response.body() + "----" + response.code());
-        } catch (IOException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot make the call to Galaxy API", e);
-        }
-        logger.info(LogHelper.logUser(userDetails) + "Get workflow status completed");
-
-        return ResponseEntity.ok(jsonString);
-    }
-
-    /**
-     * Get the status of a multiple workflows.
-     * @param httpEntity : The @{@link HttpEntity} to get the body of the request which is the workflow ID.
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "/getMultipleWorkflowStatus", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getMultipleWorkflowStatus(@AuthenticationPrincipal UserDetails userDetails, HttpEntity<String> httpEntity) {
-        logger.info(LogHelper.logUser(userDetails) + "Get Multiple workflow status called");
-
-        //In order to parse Json with undefined number of value/key
-        String json = httpEntity.getBody();
-        JSONObject jObject  = null;
-        try {
-            jObject = new JSONObject(json);
-        } catch (JSONException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot parse JSON", e);
-        }
-        Map<String,String> allJsonParams = new HashMap<String,String>();
-        Iterator iter = jObject.keys();
-
-        while(iter.hasNext()){
-            String key = (String)iter.next();
-            String value = null;
-            try {
-                value = jObject.getString(key);
-                System.out.println(key + ":" + value);
-            } catch (JSONException e) {
-                logger.error(LogHelper.logUser(userDetails) + "Cannot parse JSON", e);
-            }
-            logger.info(LogHelper.logUser(userDetails) + "Put to map: " + key + " : " + value);
-            allJsonParams.put(key,value);
-        }
-
-        StringBuffer stringBuffer = new StringBuffer();
-        for (Map.Entry<String, String> entry : allJsonParams.entrySet()) {
-            RetroFitGalaxyClients service = RetrofitClientInstance.getRetrofitInstance().create(RetroFitGalaxyClients.class);
-            Call<Object> call = service.getWorkflowStatusFromGalaxy(entry.getValue(),apiKey);
-
-            String jsonString = null;
-            try {
-                Response<Object> response = call.execute();
-                if(response.code() >= 400){
-                    logger.error(LogHelper.logUser(userDetails) + "Resonse code: " + response.code() + "" + " with body: " + response.errorBody().string());
-                    return ResponseEntity.badRequest().build();
-                }
-                jsonString = new Gson().toJson(response.body());
-                logger.info(LogHelper.logUser(userDetails) + jsonString);
-                stringBuffer.append(jsonString + ",");
-                logger.info(LogHelper.logUser(userDetails) + "----" + response.body() + "----" + response.code());
-            } catch (IOException e) {
-                logger.error(LogHelper.logUser(userDetails) + "Cannot make the call to Galaxy API", e);
-            }
-        }
-        stringBuffer.deleteCharAt(stringBuffer.length() - 1);
-        logger.info(LogHelper.logUser(userDetails) + "Get Multiple workflow status completed");
-        return ResponseEntity.ok(stringBuffer.toString());
-    }
-
-    /**
-     * Get the result of a specific workflow.
-     *
-     * @param id : The id as @{@link String} of the workflow.
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "/getWorkflowResults/{id}", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getWorkflowResults(@AuthenticationPrincipal UserDetails userDetails, @PathVariable String id) {
-        logger.info(LogHelper.logUser(userDetails) + "Get workflow results called");
-
-        RetroFitGalaxyClients service = RetrofitClientInstance.getRetrofitInstance().create(RetroFitGalaxyClients.class);
-        Call<List<GalaxyWorkflowResult>> call = service.getWorkflowResultsFromGalaxy(id,apiKey);
-
-        List<GalaxyWorkflowResult> workflowGalaxyDtoResponsesList = null;
-        try {
-            Response<List<GalaxyWorkflowResult>> response = call.execute();
-            if(response.code() >= 400){
-                logger.error(LogHelper.logUser(userDetails) + "Resonse code: " + response.code() + "" + " with body: " + response.errorBody().string());
-                return ResponseEntity.badRequest().build();
-            }
-            workflowGalaxyDtoResponsesList = response.body();
-        } catch (IOException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot make the call to Galaxy API", e);
-        }
-        logger.info(LogHelper.logUser(userDetails) + "Get workflow results completed");
-
-        return ResponseEntity.ok(workflowGalaxyDtoResponsesList);
-    }
-
-    /**
-     * Get the result body of a specific workflow.
-     *
-     * @param id : The id as @{@link String} of the workflow.
-     * @param contentId : The content id as @{@link String}.
-     * @return Return a @{@link ResponseEntity}.
-     */
-    @RequestMapping(method = RequestMethod.GET, value = "/getWorkflowResultsBody/{id}/contents/{contentId}", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getWorkflowResultsBody(@AuthenticationPrincipal UserDetails userDetails, @PathVariable String id, @PathVariable String contentId) {
-        logger.info(LogHelper.logUser(userDetails) + "Get workflow results body called");
-
-        RetroFitGalaxyClients service = RetrofitClientInstance.getRetrofitInstance().create(RetroFitGalaxyClients.class);
-        Call<Object> call = service.getWorkflowResultsBodyFromGalaxy(id,contentId,apiKey);
-
-        String jsonString = null;
-        try {
-            Response<Object> response = call.execute();
-            if(response.code() >= 400){
-                logger.error(LogHelper.logUser(userDetails) + "Resonse code: " + response.code() + "" + " with body: " + response.errorBody().string());
-                return ResponseEntity.badRequest().build();
-            }
-            jsonString = new Gson().toJson(response.body());
-            logger.info(LogHelper.logUser(userDetails) + "----" + response.body() + "----" + response.code());
-        } catch (IOException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot make the call to Galaxy API", e);
-        }
-        logger.info(LogHelper.logUser(userDetails) + "Get workflow results body completed");
-
-        return ResponseEntity.ok(jsonString);
-    }
-
-    @RequestMapping(method = RequestMethod.GET, value = "getErrorMessageOfWorkflow/{id}", produces = "application/json")
-    @ResponseStatus(value = HttpStatus.OK)
-    public ResponseEntity getErrorMessageOfWorkflow(@AuthenticationPrincipal UserDetails userDetails, @PathVariable String id) {
-        logger.info(LogHelper.logUser(userDetails) + "Get error message of workflow called");
-
-        RetroFitGalaxyClients service = RetrofitClientInstance.getRetrofitInstance().create(RetroFitGalaxyClients.class);
-        Call<Object> call = service.getWorkflowStatusFromGalaxy(id,apiKey);
-        String errorState = null;
-        try {
-            Response<Object> response = call.execute();
-            if(response.code() >= 400){
-                logger.error(LogHelper.logUser(userDetails) + "Resonse code: " + response.code() + "" + " with body: " + response.errorBody().string());
-                return ResponseEntity.badRequest().build();
-            }
-            JsonParser parser = new JsonParser();
-            String jsonString = new Gson().toJson(response.body());
-            JsonElement jsonElement = parser.parse(jsonString);
-            JsonObject rootObject = jsonElement.getAsJsonObject();
-            String state = rootObject.get("state").getAsString();
-            if(state.equals("error")){
-                JsonArray arrayOfErrors = rootObject.get("state_ids").getAsJsonObject().get("error").getAsJsonArray();
-                errorState = arrayOfErrors.get(0).getAsString();
-            }else{
-                logger.warn("Unknown state of the workflow.");
-                return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
-            }
-
-            logger.info(LogHelper.logUser(userDetails) + jsonString);
-
-            logger.info(LogHelper.logUser(userDetails) + "----" + response.body() + "----" + response.code());
-        } catch (IOException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot make the call to Galaxy API", e);
-        }
-
-        Call<Object> callError = service.getErrorMessageOfWorkflowFromGalaxy(errorState,apiKey);
-
-        String fullError = null;
-        String returnError = null;
-        try {
-            Response<Object> response = callError.execute();
-            if(response.code() >= 400){
-                logger.error(LogHelper.logUser(userDetails) + "Resonse code: " + response.code() + "" + " with body: " + response.errorBody().string());
-                return ResponseEntity.badRequest().build();
-            }
-            JsonParser parser = new JsonParser();
-            String jsonString = new Gson().toJson(response.body());
-            System.out.println(jsonString);
-            JsonElement jsonElement = parser.parse(jsonString);
-            JsonObject rootObject = jsonElement.getAsJsonObject();
-            fullError = rootObject.get("stderr").getAsString();
-            String[] arrOfStr = fullError.split("ValueError", 0);
-            String specError = arrOfStr[arrOfStr.length-1];
-            returnError = specError.substring(1);
-
-            System.out.println(fullError);
-            logger.info(LogHelper.logUser(userDetails) + "----" + response.body() + "----" + response.code());
-        } catch (IOException e) {
-            logger.error(LogHelper.logUser(userDetails) + "Cannot make the call to Galaxy API", e);
-        }
-
-        logger.info(LogHelper.logUser(userDetails) + "Get error message of workflow completed");
-
-        return ResponseEntity.ok(returnError);
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/eu/hbp/mip/controllers/MethodsApi.java b/src/main/java/eu/hbp/mip/controllers/MethodsApi.java
index f8995bf7ba319c2b38e1d84ee79cd1ff04db84c6..bbae570a584151e1c2cfbfe16df074bac6a30342 100644
--- a/src/main/java/eu/hbp/mip/controllers/MethodsApi.java
+++ b/src/main/java/eu/hbp/mip/controllers/MethodsApi.java
@@ -64,10 +64,7 @@ public class MethodsApi {
             final GalaxyInstance instance = GalaxyInstanceFactory.get(galaxyUrl, galaxyApiKey);
             final WorkflowsClient workflowsClient = instance.getWorkflowsClient();
 
-            List<Workflow> workflowList = new ArrayList<>();
-            for(Workflow workflow : workflowsClient.getWorkflows()) {
-                workflowList.add(workflow);
-            }
+            List<Workflow> workflowList = new ArrayList<>(workflowsClient.getWorkflows());
 
             List<WorkflowDetails> workflowDetailsList = new ArrayList<>();
             for(Workflow workflow : workflowList){
diff --git a/src/main/java/eu/hbp/mip/dto/JwtResponse.java b/src/main/java/eu/hbp/mip/dto/JwtResponse.java
deleted file mode 100644
index 2007a8f60bd08331860138bbe178b6b5a4cc7a4b..0000000000000000000000000000000000000000
--- a/src/main/java/eu/hbp/mip/dto/JwtResponse.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Developed by Kechagias Konstantinos.
- * Copyright (c) 2019. MIT License
- */
-
-package eu.hbp.mip.dto;
-
-public class JwtResponse {
-    private String token;
-    private String type = "Bearer";
-
-    public JwtResponse(String accessToken) {
-        this.token = accessToken;
-    }
-
-    public String getAccessToken() {
-        return token;
-    }
-
-    public void setAccessToken(String accessToken) {
-        this.token = accessToken;
-    }
-
-    public String getTokenType() {
-        return type;
-    }
-
-    public void setTokenType(String tokenType) {
-        this.type = tokenType;
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/eu/hbp/mip/dto/LoginDto.java b/src/main/java/eu/hbp/mip/dto/LoginDto.java
deleted file mode 100644
index 5fada1e1f0118bd940e8f58d286dd74cdf3b3762..0000000000000000000000000000000000000000
--- a/src/main/java/eu/hbp/mip/dto/LoginDto.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Developed by Kechagias Konstantinos.
- * Copyright (c) 2019. MIT License
- */
-
-package eu.hbp.mip.dto;
-
-import org.hibernate.validator.constraints.NotBlank;
-
-import javax.validation.constraints.Size;
-
-public class LoginDto {
-    @NotBlank
-    @Size(min=3, max = 60)
-    private String username;
-
-    @NotBlank
-    @Size(min = 6, max = 40)
-    private String password;
-
-    public String getUsername() {
-        return username;
-    }
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-}
diff --git a/src/main/java/eu/hbp/mip/dto/SignUpDto.java b/src/main/java/eu/hbp/mip/dto/SignUpDto.java
deleted file mode 100644
index c7129853cea70e5fd8cec23b6c8a77b2438c43c8..0000000000000000000000000000000000000000
--- a/src/main/java/eu/hbp/mip/dto/SignUpDto.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Developed by Kechagias Konstantinos.
- * Copyright (c) 2019. MIT License
- */
-
-package eu.hbp.mip.dto;
-
-import org.hibernate.validator.constraints.Email;
-import org.hibernate.validator.constraints.NotBlank;
-
-import javax.validation.constraints.Size;
-import java.util.Set;
-
-public class SignUpDto {
-    @NotBlank
-    @Size(min = 3, max = 50)
-    private String name;
-
-    @NotBlank
-    @Size(min = 3, max = 50)
-    private String username;
-
-    @NotBlank
-    @Size(max = 60)
-    @Email
-    private String email;
-
-    private Set<String> role;
-
-    @NotBlank
-    @Size(min = 6, max = 40)
-    private String password;
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getUsername() {
-        return username;
-    }
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-
-    public Set<String> getRole() {
-        return this.role;
-    }
-
-    public void setRole(Set<String> role) {
-        this.role = role;
-    }
-}
diff --git a/src/main/java/eu/hbp/mip/dto/StringDtoResponse.java b/src/main/java/eu/hbp/mip/dto/StringDtoResponse.java
deleted file mode 100644
index ce5eb9700eccf31807d9a5884e1b9d39d8578602..0000000000000000000000000000000000000000
--- a/src/main/java/eu/hbp/mip/dto/StringDtoResponse.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Developed by Kechagias Konstantinos.
- * Copyright (c) 2019. MIT License
- */
-
-package eu.hbp.mip.dto;
-
-public class StringDtoResponse {
-
-    private String response;
-
-    public StringDtoResponse() {
-    }
-
-    public StringDtoResponse(String response) {
-        this.response = response;
-    }
-
-    public String getResponse() {
-        return response;
-    }
-
-    public void setResponse(String response) {
-        this.response = response;
-    }
-}