diff --git a/web/client/actions/importer.js b/web/client/actions/importer.js
index bb216a29f6..614e69ca08 100644
--- a/web/client/actions/importer.js
+++ b/web/client/actions/importer.js
@@ -94,7 +94,7 @@ const applyPlaceholders = function(preset, model) {
         return assign({}, preset, {
             changes: assign({}, preset.changes, {
                 target: assign({}, preset.changes.target, {
-                    dataStore: assign(preset.changes.target.dataStore, {
+                    dataStore: assign({}, preset.changes.target.dataStore, {
                         name: replaceTargetWorkspace(preset.changes.target.dataStore.name)
                     })
                 })
@@ -646,7 +646,6 @@ function dismissWorkspaceCreationStatus() {
 /** UPLOAD **/
 function uploadImportFiles(geoserverRestURL, importId, files, presets) {
     return (dispatch, getState) => {
-        let state = getState();
         dispatch(loading({importId: importId, uploadingFiles: files}));
         let progressOpts = {
             progress: (progressEvent) => {
@@ -657,7 +656,8 @@ function uploadImportFiles(geoserverRestURL, importId, files, presets) {
             let tasks = response && response.data && response.data.tasks || response && response.data && [response.data.task];
             dispatch(fileUploaded(files));
             dispatch(importTaskCreated(importId, tasks));
-            let impState = getState().importer;
+            let state = getState();
+            let impState = state.importer;
             if (impState && impState.selectedImport && impState.selectedImport.id === importId && tasks && tasks.length > 1) {
                 dispatch(loadImport(geoserverRestURL, importId));
             }
diff --git a/web/client/api/geoserver/Styles.js b/web/client/api/geoserver/Styles.js
index b28a86eeed..7d5614e674 100644
--- a/web/client/api/geoserver/Styles.js
+++ b/web/client/api/geoserver/Styles.js
@@ -10,7 +10,7 @@ const assign = require('object-assign');
 
 var Api = {
     saveStyle: function(geoserverBaseUrl, styleName, body, options) {
-        let url = geoserverBaseUrl + "styles/" + styleName;
+        let url = geoserverBaseUrl + "styles/" + encodeURI(styleName);
         let opts = assign({}, options);
         opts.headers = assign({}, opts.headers, {"Content-Type": "application/vnd.ogc.sld+xml"});
         return axios.put(url, body, opts);
diff --git a/web/client/components/file/FileUploader.jsx b/web/client/components/file/FileUploader.jsx
index 783ba26bad..c307113ef6 100644
--- a/web/client/components/file/FileUploader.jsx
+++ b/web/client/components/file/FileUploader.jsx
@@ -6,7 +6,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 const React = require('react');
-
+const {round} = require('lodash');
 const {Message, DateFormat} = require('../I18N/I18N');
 const Spinner = require('react-spinkit');
 const {Glyphicon, ProgressBar, Table, Alert} = require('react-bootstrap');
@@ -58,8 +58,8 @@ const FileUploader = React.createClass({
     },
     renderProgress(uploading) {
         if (uploading && uploading.progress) {
-            let precent = (uploading.progress * 100).toFixed(2);
-            return <ProgressBar key="progressbar" striped now={precent} label={`${precent}%`}/>;
+            let percent = round(uploading.progress * 100, 2);
+            return <ProgressBar key="progressbar" striped now={percent} label={`${percent}%`}/>;
         }
 
     },
@@ -75,7 +75,7 @@ const FileUploader = React.createClass({
                     </thead>
                     <tbody>
                         {this.state.fileList && this.state.fileList.map((file) =>
-                        (<tr>
+                        (<tr key="row">
                             <td key="name">{file.name}</td>
                             <td key="size">{this.humanFileSize(file.size)}</td>
                             <td key="type">{file.type}</td>
diff --git a/web/client/reducers/importer.js b/web/client/reducers/importer.js
index 0b6ae6c9fb..d9326e8357 100644
--- a/web/client/reducers/importer.js
+++ b/web/client/reducers/importer.js
@@ -41,6 +41,10 @@ const {
 
 const assign = require('object-assign');
 
+// constant used to reset the state only if the importer tool is passed to the reducer
+// see case: MANAGER_ITEM_SELECTED
+const importerTool = "importer";
+
 /******************************************************************************/
 /* UTILITY FUNCTIONS **********************************************************/
 /******************************************************************************/
@@ -131,11 +135,7 @@ function updateImportTaskLoadingStatus(state, action, loading = true) {
 /* REDUCER ********************************************************************/
 /******************************************************************************/
 
-const initialState = {
-    importerTool: "importer"
-};
-
-function importer(state = initialState, action) {
+function importer(state = {}, action) {
     switch (action.type) {
         case IMPORTS_LOADING: {
             if (!action.details) {
@@ -152,7 +152,7 @@ function importer(state = initialState, action) {
         return state;
         case MANAGER_ITEM_SELECTED: {
             const toolId = action.toolId;
-            if (toolId === state.importerTool) {
+            if (toolId === importerTool) {
                 return assign({}, state, {
                     loadingError: null,
                     imports: state.imports,
diff --git a/web/client/translations/data.en-US b/web/client/translations/data.en-US
index b92be10512..9a48fbb453 100644
--- a/web/client/translations/data.en-US
+++ b/web/client/translations/data.en-US
@@ -540,9 +540,9 @@
                 "create": "Create",
                 "createWS": "create a new workspace: ",
                 "target": "target workspace: ",
+                "failure": "Error creating workspace: {statusWS}",
+                "success": "Workspace {statusWS} successfully created",
                 "select": "Select TargetWorkspace",
-                "success": "Error creating workspace: {statusWS}",
-                "failure": "Workspace {statusWS} successfully created",
                 "new": "New workspace name..."
             },
             "import": {
diff --git a/web/client/translations/data.fr-FR b/web/client/translations/data.fr-FR
index d0f3878b16..101dc9ea02 100644
--- a/web/client/translations/data.fr-FR
+++ b/web/client/translations/data.fr-FR
@@ -542,8 +542,8 @@
                 "create": "Créer",
                 "createWS": "créer un nouvel espace de travail: ",
                 "target": "cible espace de travail: ",
-                "success": "Erreur de création espace de travail: {statusWS}",
-                "failure": "Espace de travail {statusWS} créé avec succès",
+                "failure": "Erreur de création espace de travail: {statusWS}",
+                "success": "Espace de travail {statusWS} créé avec succès",
                 "select": "Sélectionnez l'espace de travail cible",
                 "new": "Nom..."
             },
diff --git a/web/client/translations/data.it-IT b/web/client/translations/data.it-IT
index 22a30b762b..299d59a348 100644
--- a/web/client/translations/data.it-IT
+++ b/web/client/translations/data.it-IT
@@ -541,8 +541,8 @@
                 "create": "Crea",
                 "createWS": "Crea un nuovo workspace: ",
                 "target": "Workspace di destinazione: ",
-                "success": "Errore durante la creazione del workspace: {statusWS}",
-                "failure": "Workspace {statusWS} creato correttamente",
+                "failure": "Errore durante la creazione del workspace: {statusWS}",
+                "success": "Workspace {statusWS} creato correttamente",
                 "select": "Seleziona il workspace di destinazione",
                 "new": "Nome del workspace..."
             },