ref 9114: DataMiner - Add pagination to Workspace Explorer

https://support.d4science.org/issues/9114

Added pagination to Workspace Explorer 

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/data-miner-manager@151097 82a268e6-3cf1-43bd-a215-b396298e98cf

.classpath

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" output="target/data-miner-manager-1.5.0-SNAPSHOT/WEB-INF/classes" path="src/main/java">
+	<classpathentry kind="src" output="target/data-miner-manager-1.6.0-SNAPSHOT/WEB-INF/classes" path="src/main/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry excluding="**" kind="src" output="target/data-miner-manager-1.5.0-SNAPSHOT/WEB-INF/classes" path="src/main/resources">
+	<classpathentry excluding="**" kind="src" output="target/data-miner-manager-1.6.0-SNAPSHOT/WEB-INF/classes" path="src/main/resources">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
@@ -34,5 +34,5 @@
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="output" path="target/data-miner-manager-1.5.0-SNAPSHOT/WEB-INF/classes"/>
+	<classpathentry kind="output" path="target/data-miner-manager-1.6.0-SNAPSHOT/WEB-INF/classes"/>
 </classpath>

distro/changelog.xml

@@ -1,4 +1,8 @@
 <ReleaseNotes>
+	<Changeset component="org.gcube.portlets-user.data-miner-manager.1-6-0"
+		date="2016-08-01">
+		<Change>Updated to support pagination in Workspace Explorer [ticket #9114]</Change>
+	</Changeset>
 	<Changeset component="org.gcube.portlets-user.data-miner-manager.1-5-0"
 		date="2016-06-12">
 		<Change>Support Java 8 compatibility [ticket #8471]</Change>

pom.xml

@@ -12,7 +12,7 @@
 
 	<groupId>org.gcube.portlets.user</groupId>
 	<artifactId>data-miner-manager</artifactId>
-	<version>1.5.0-SNAPSHOT</version>
+	<version>1.6.0-SNAPSHOT</version>
 	<packaging>war</packaging>
 
 	<name>data-miner-manager</name>

src/main/java/org/gcube/portlets/user/dataminermanager/client/computations/ComputationsExecutedPanel.java

@@ -25,7 +25,7 @@ import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription
 import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener;
 import org.gcube.portlets.widgets.workspaceuploader.client.uploader.DialogUpload.UPLOAD_TYPE;
 import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.MultipleDNDUpload;
-import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanel;
+import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanelPaginated;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
@@ -59,7 +59,8 @@ public class ComputationsExecutedPanel extends FramedPanel {
 
 	private Item selectedItem;
 	private MultipleDNDUpload dnd;
-	private WorkspaceResourcesExplorerPanel wsResourcesExplorerPanel;
+	//private WorkspaceResourcesExplorerPanel ;
+	private WorkspaceResourcesExplorerPanelPaginated wsResourcesExplorerPanel;
 	private TextButton btnShow;
 	private TextButton btnDownload;
 	private TextButton btnDelete;
@@ -233,10 +234,15 @@ public class ComputationsExecutedPanel extends FramedPanel {
 			Map<String, String> map = new HashMap<String, String>();
 			filterCriteria.setRequiredProperties(map);
 
-			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanel(
+			/*wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanel(
 					event.getDataMinerWorkArea().getComputations().getFolder()
 							.getId(), false, showProperties, filterCriteria,
-					true, DISPLAY_FIELD.CREATION_DATE);
+					true, DISPLAY_FIELD.CREATION_DATE);*/
+			
+			wsResourcesExplorerPanel=new WorkspaceResourcesExplorerPanelPaginated(event.getDataMinerWorkArea().getComputations().getFolder()
+					.getId(), false, showProperties, filterCriteria,
+			true, DISPLAY_FIELD.CREATION_DATE);
+			
 			WorskpaceExplorerSelectNotificationListener wsResourceExplorerListener = new WorskpaceExplorerSelectNotificationListener() {
 				@Override
 				public void onSelectedItem(Item item) {
@@ -430,15 +436,20 @@ public class ComputationsExecutedPanel extends FramedPanel {
 			});
 			forceLayout();
 
-		} catch (Exception e) {
+		} catch (Throwable e) {
-			Log.error("Error opening wsResourceExplorerPanel");
+			Log.error("Error opening wsResourceExplorerPanel: "+e.getLocalizedMessage(),e);
 			e.printStackTrace();
 		}
 	}
 
 	private void refreshWSResourceExplorerPanel() {
 		if (wsResourcesExplorerPanel != null) {
-			wsResourcesExplorerPanel.refreshRootFolderView();
+			try {
+				wsResourcesExplorerPanel.hardRefresh();
+			} catch (Exception e) {
+				Log.error("Error retrieving data: "+e.getLocalizedMessage());
+				
+			}
 		}
 	}
 

src/main/java/org/gcube/portlets/user/dataminermanager/client/dataspace/InputDataSetsPanel.java

@@ -22,7 +22,7 @@ import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription
 import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener;
 import org.gcube.portlets.widgets.workspaceuploader.client.uploader.DialogUpload.UPLOAD_TYPE;
 import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.MultipleDNDUpload;
-import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanel;
+import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanelPaginated;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
@@ -56,7 +56,7 @@ public class InputDataSetsPanel extends FramedPanel {
 
 	private Item selectedItem;
 	private MultipleDNDUpload dnd;
-	private WorkspaceResourcesExplorerPanel wsResourcesExplorerPanel;
+	private WorkspaceResourcesExplorerPanelPaginated wsResourcesExplorerPanel;
 	private TextButton btnDownload;
 	private TextButton btnDelete;
 	private TextButton btnRefresh;
@@ -87,15 +87,14 @@ public class InputDataSetsPanel extends FramedPanel {
 
 	private void bindToEvents() {
 
-		EventBusProvider.INSTANCE.addHandler(UIStateEvent.TYPE,
+		EventBusProvider.INSTANCE.addHandler(UIStateEvent.TYPE, new UIStateEvent.UIStateEventHandler() {
-				new UIStateEvent.UIStateEventHandler() {
 
-					@Override
+			@Override
-					public void onChange(UIStateEvent event) {
+			public void onChange(UIStateEvent event) {
-						manageStateEvents(event);
+				manageStateEvents(event);
 
-					}
+			}
-				});
+		});
 
 		EventBusProvider.INSTANCE.addHandler(DataMinerWorkAreaEvent.TYPE,
 				new DataMinerWorkAreaEvent.DataMinerWorkAreaEventHandler() {
@@ -108,19 +107,16 @@ public class InputDataSetsPanel extends FramedPanel {
 
 				});
 
-		EventBusProvider.INSTANCE
+		EventBusProvider.INSTANCE.addHandler(RefreshDataMinerWorkAreaEvent.TYPE,
-				.addHandler(
+				new RefreshDataMinerWorkAreaEvent.RefreshDataMinerWorkAreaEventHandler() {
-						RefreshDataMinerWorkAreaEvent.TYPE,
-						new RefreshDataMinerWorkAreaEvent.RefreshDataMinerWorkAreaEventHandler() {
 
-							@Override
+					@Override
-							public void onRefresh(
+					public void onRefresh(RefreshDataMinerWorkAreaEvent event) {
-									RefreshDataMinerWorkAreaEvent event) {
+						manageRefreshDataMinerWorkAreaEvents(event);
-								manageRefreshDataMinerWorkAreaEvents(event);
 
-							}
+					}
 
-						});
+				});
 
 	}
 
@@ -143,8 +139,7 @@ public class InputDataSetsPanel extends FramedPanel {
 	}
 
 	private void manageDataMinerWorkAreaEvents(DataMinerWorkAreaEvent event) {
-		Log.debug("InputDataSetsPanel recieved DataMinerWorkAreaEvent: "
+		Log.debug("InputDataSetsPanel recieved DataMinerWorkAreaEvent: " + event);
-				+ event);
 		if (event == null) {
 			Log.error("DataMinerWorkAreaEvent");
 			return;
@@ -173,10 +168,8 @@ public class InputDataSetsPanel extends FramedPanel {
 
 	}
 
-	private void manageRefreshDataMinerWorkAreaEvents(
+	private void manageRefreshDataMinerWorkAreaEvents(RefreshDataMinerWorkAreaEvent event) {
-			RefreshDataMinerWorkAreaEvent event) {
+		Log.debug("InputDataSetsPanel recieved RefreshDataMinerWorkAreaEvent: " + event);
-		Log.debug("InputDataSetsPanel recieved RefreshDataMinerWorkAreaEvent: "
-				+ event);
 		if (event == null) {
 			Log.error("RefreshDataMinerWorkAreaEvent");
 			return;
@@ -199,15 +192,11 @@ public class InputDataSetsPanel extends FramedPanel {
 	private void create(DataMinerWorkAreaEvent event) {
 		try {
 
-			if (event == null
+			if (event == null || event.getDataMinerWorkArea() == null
-					|| event.getDataMinerWorkArea() == null
 					|| event.getDataMinerWorkArea().getInputDataSets() == null
-					|| event.getDataMinerWorkArea().getInputDataSets()
+					|| event.getDataMinerWorkArea().getInputDataSets().getFolder() == null
-							.getFolder() == null
+					|| event.getDataMinerWorkArea().getInputDataSets().getFolder().getId() == null
-					|| event.getDataMinerWorkArea().getInputDataSets()
+					|| event.getDataMinerWorkArea().getInputDataSets().getFolder().getId().isEmpty()) {
-							.getFolder().getId() == null
-					|| event.getDataMinerWorkArea().getInputDataSets()
-							.getFolder().getId().isEmpty()) {
 				if (v != null) {
 					remove(v);
 					forceLayout();
@@ -217,18 +206,16 @@ public class InputDataSetsPanel extends FramedPanel {
 			}
 
 			List<String> showProperties = new ArrayList<String>();
-			for (DataSpacePropertiesType dataSpaceProperties : DataSpacePropertiesType
+			for (DataSpacePropertiesType dataSpaceProperties : DataSpacePropertiesType.values()) {
-					.values()) {
 				showProperties.add(dataSpaceProperties.getLabel());
 			}
 			FilterCriteria filterCriteria = new FilterCriteria();
 			Map<String, String> map = new HashMap<String, String>();
 			filterCriteria.setRequiredProperties(map);
 
-			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanel(
+			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanelPaginated(
-					event.getDataMinerWorkArea().getInputDataSets().getFolder()
+					event.getDataMinerWorkArea().getInputDataSets().getFolder().getId(), false, showProperties,
-							.getId(), false, showProperties, filterCriteria,
+					filterCriteria, true, DISPLAY_FIELD.CREATION_DATE);
-					true, DISPLAY_FIELD.CREATION_DATE);
 			WorskpaceExplorerSelectNotificationListener wsResourceExplorerListener = new WorskpaceExplorerSelectNotificationListener() {
 				@Override
 				public void onSelectedItem(Item item) {
@@ -254,23 +241,20 @@ public class InputDataSetsPanel extends FramedPanel {
 				}
 			};
 
-			wsResourcesExplorerPanel
+			wsResourcesExplorerPanel.addWorkspaceExplorerSelectNotificationListener(wsResourceExplorerListener);
-					.addWorkspaceExplorerSelectNotificationListener(wsResourceExplorerListener);
 			wsResourcesExplorerPanel.ensureDebugId("wsResourceExplorerPanel");
 			wsResourcesExplorerPanel.setHeightToInternalScroll(300);
 
 			// DND
 
 			dnd = new MultipleDNDUpload();
-			dnd.setParameters(event.getDataMinerWorkArea().getInputDataSets()
+			dnd.setParameters(event.getDataMinerWorkArea().getInputDataSets().getFolder().getId(), UPLOAD_TYPE.File);
-					.getFolder().getId(), UPLOAD_TYPE.File);
 			dnd.addUniqueContainer(wsResourcesExplorerPanel);
 			WorskpaceUploadNotificationListener workspaceUploaderListener = new WorskpaceUploadNotificationListener() {
 
 				@Override
 				public void onUploadCompleted(String parentId, String itemId) {
-					Log.debug("Upload completed: [parentID: " + parentId
+					Log.debug("Upload completed: [parentID: " + parentId + ", itemId: " + itemId + "]");
-							+ ", itemId: " + itemId + "]");
 					wsResourcesExplorerPanel.refreshRootFolderView();
 					forceLayout();
 
@@ -278,22 +262,18 @@ public class InputDataSetsPanel extends FramedPanel {
 
 				@Override
 				public void onUploadAborted(String parentId, String itemId) {
-					Log.debug("Upload Aborted: [parentID: " + parentId
+					Log.debug("Upload Aborted: [parentID: " + parentId + ", itemId: " + itemId + "]");
-							+ ", itemId: " + itemId + "]");
 				}
 
 				@Override
-				public void onError(String parentId, String itemId,
+				public void onError(String parentId, String itemId, Throwable throwable) {
-						Throwable throwable) {
+					Log.debug("Upload Error: [parentID: " + parentId + ", itemId: " + itemId + "]");
-					Log.debug("Upload Error: [parentID: " + parentId
-							+ ", itemId: " + itemId + "]");
 					throwable.printStackTrace();
 				}
 
 				@Override
 				public void onOverwriteCompleted(String parentId, String itemId) {
-					Log.debug("Upload Override Completed: [parentID: "
+					Log.debug("Upload Override Completed: [parentID: " + parentId + ", itemId: " + itemId + "]");
-							+ parentId + ", itemId: " + itemId + "]");
 					wsResourcesExplorerPanel.refreshRootFolderView();
 					forceLayout();
 				}
@@ -360,26 +340,30 @@ public class InputDataSetsPanel extends FramedPanel {
 
 				@Override
 				public void onResize(ResizeEvent event) {
-					int scrollBarHeight = event.getHeight()
+					int scrollBarHeight = event.getHeight() - toolBar.getElement().getHeight(false);
-							- toolBar.getElement().getHeight(false);
 					Log.debug("ScrollBarHeight: " + scrollBarHeight);
-					wsResourcesExplorerPanel
+					wsResourcesExplorerPanel.setHeightToInternalScroll(scrollBarHeight);
-							.setHeightToInternalScroll(scrollBarHeight);
 					forceLayout();
 
 				}
 			});
 			forceLayout();
 
-		} catch (Exception e) {
+		} catch (Throwable e) {
-			Log.error("Error opening wsResourceExplorerPanel");
+			Log.error("Error opening wsResourceExplorerPanel: "+e.getLocalizedMessage(),e);
 			e.printStackTrace();
 		}
 	}
 
 	private void refreshWSResourceExplorerPanel() {
 		if (wsResourcesExplorerPanel != null) {
-			wsResourcesExplorerPanel.refreshRootFolderView();
+			// wsResourcesExplorerPanel.refreshRootFolderView();
+			try {
+				wsResourcesExplorerPanel.hardRefresh();
+			} catch (Exception e) {
+				Log.error("Error retrieving data: " + e.getLocalizedMessage());
+
+			}
 		}
 	}
 
@@ -400,12 +384,10 @@ public class InputDataSetsPanel extends FramedPanel {
 	}
 
 	private void deleteItem(SelectEvent event) {
-		ItemDescription itemDescription = new ItemDescription(
+		ItemDescription itemDescription = new ItemDescription(selectedItem.getId(), selectedItem.getName(),
-				selectedItem.getId(), selectedItem.getName(),
+				selectedItem.getOwner(), selectedItem.getPath(), selectedItem.getType().name());
-				selectedItem.getOwner(), selectedItem.getPath(), selectedItem
+		DeleteItemRequestEvent deleteItemEvent = new DeleteItemRequestEvent(DataMinerWorkAreaElementType.InputDataSets,
-						.getType().name());
+				itemDescription);
-		DeleteItemRequestEvent deleteItemEvent = new DeleteItemRequestEvent(
-				DataMinerWorkAreaElementType.InputDataSets, itemDescription);
 		EventBusProvider.INSTANCE.fireEvent(deleteItemEvent);
 		Log.debug("Fired: " + deleteItemEvent);
 	}
@@ -415,52 +397,40 @@ public class InputDataSetsPanel extends FramedPanel {
 			if (selectedItem.isFolder()) {
 				StringBuilder actionUrl = new StringBuilder();
 				actionUrl.append(GWT.getModuleBaseURL());
-				actionUrl
+				actionUrl.append(Constants.DOWNLOAD_FOLDER_SERVLET + "?"
-						.append(Constants.DOWNLOAD_FOLDER_SERVLET
+						+ Constants.DOWNLOAD_FOLDER_SERVLET_ITEM_ID_PARAMETER + "=" + selectedItem.getId() + "&"
-								+ "?"
+						+ Constants.DOWNLOAD_FOLDER_SERVLET_FOLDER_NAME_PARAMETER + "=" + selectedItem.getName() + "&"
-								+ Constants.DOWNLOAD_FOLDER_SERVLET_ITEM_ID_PARAMETER
+						+ Constants.CURR_GROUP_ID + "=" + GCubeClientContext.getCurrentContextId());
-								+ "="
-								+ selectedItem.getId()
-								+ "&"
-								+ Constants.DOWNLOAD_FOLDER_SERVLET_FOLDER_NAME_PARAMETER
-								+ "=" + selectedItem.getName() + "&"
-								+ Constants.CURR_GROUP_ID + "="
-								+ GCubeClientContext.getCurrentContextId());
 
 				Log.debug("Retrieved link: " + actionUrl);
 				Window.open(actionUrl.toString(), selectedItem.getName(), "");
 			} else {
 
-				final ItemDescription itemDescription = new ItemDescription(
+				final ItemDescription itemDescription = new ItemDescription(selectedItem.getId(),
-						selectedItem.getId(), selectedItem.getName(),
+						selectedItem.getName(), selectedItem.getOwner(), selectedItem.getPath(),
-						selectedItem.getOwner(), selectedItem.getPath(),
 						selectedItem.getType().name());
 
-				DataMinerPortletServiceAsync.INSTANCE.getPublicLink(
+				DataMinerPortletServiceAsync.INSTANCE.getPublicLink(itemDescription, new AsyncCallback<String>() {
-						itemDescription, new AsyncCallback<String>() {
 
-							@Override
+					@Override
-							public void onFailure(Throwable caught) {
+					public void onFailure(Throwable caught) {
-								if (caught instanceof SessionExpiredServiceException) {
+						if (caught instanceof SessionExpiredServiceException) {
-									EventBusProvider.INSTANCE
+							EventBusProvider.INSTANCE.fireEvent(new SessionExpiredEvent());
-											.fireEvent(new SessionExpiredEvent());
+						} else {
-								} else {
+							Log.error("Error open file: " + caught.getLocalizedMessage());
-									Log.error("Error open file: "
+							UtilsGXT3.alert("Error", caught.getLocalizedMessage());
-											+ caught.getLocalizedMessage());
+						}
-									UtilsGXT3.alert("Error",
+						caught.printStackTrace();
-											caught.getLocalizedMessage());
-								}
-								caught.printStackTrace();
 
-							}
+					}
 
-							@Override
+					@Override
-							public void onSuccess(String link) {
+					public void onSuccess(String link) {
-								Log.debug("Retrieved link: " + link);
+						Log.debug("Retrieved link: " + link);
-								Window.open(link, itemDescription.getName(), "");
+						Window.open(link, itemDescription.getName(), "");
-							}
+					}
 
-						});
+				});
 			}
 		} else {
 			UtilsGXT3.info("Attention", "Select a file!");

src/main/java/org/gcube/portlets/user/dataminermanager/client/dataspace/OutputDataSetsPanel.java

@@ -22,7 +22,7 @@ import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription
 import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener;
 import org.gcube.portlets.widgets.workspaceuploader.client.uploader.DialogUpload.UPLOAD_TYPE;
 import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.MultipleDNDUpload;
-import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanel;
+import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanelPaginated;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
 import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
@@ -56,7 +56,7 @@ public class OutputDataSetsPanel extends FramedPanel {
 
 	private Item selectedItem;
 	private MultipleDNDUpload dnd;
-	private WorkspaceResourcesExplorerPanel wsResourcesExplorerPanel;
+	private WorkspaceResourcesExplorerPanelPaginated wsResourcesExplorerPanel;
 	private TextButton btnDownload;
 	private TextButton btnDelete;
 	private TextButton btnRefresh;
@@ -223,7 +223,7 @@ public class OutputDataSetsPanel extends FramedPanel {
 			Map<String, String> map = new HashMap<String, String>();
 			filterCriteria.setRequiredProperties(map);
 
-			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanel(
+			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanelPaginated(
 					event.getDataMinerWorkArea().getOutputDataSets()
 							.getFolder().getId(), false, showProperties,
 					filterCriteria, true, DISPLAY_FIELD.CREATION_DATE);
@@ -369,15 +369,21 @@ public class OutputDataSetsPanel extends FramedPanel {
 			});
 			forceLayout();
 
-		} catch (Exception e) {
+		} catch (Throwable e) {
-			Log.error("Error opening wsResourceExplorerPanel");
+			Log.error("Error opening wsResourceExplorerPanel: "+e.getLocalizedMessage(),e);
 			e.printStackTrace();
 		}
 	}
 
 	private void refreshWSResourceExplorerPanel() {
 		if (wsResourcesExplorerPanel != null) {
-			wsResourcesExplorerPanel.refreshRootFolderView();
+			// wsResourcesExplorerPanel.refreshRootFolderView();
+			try {
+				wsResourcesExplorerPanel.hardRefresh();
+			} catch (Exception e) {
+				Log.error("Error retrieving data: " + e.getLocalizedMessage());
+
+			}
 		}
 	}
 

src/main/java/org/gcube/portlets/user/dataminermanager/dataminermanager.gwt.xml

@@ -28,19 +28,20 @@
 	<inherits
 		name="org.gcube.portlets.widgets.workspaceuploader.WorkspaceUploader" />
 
-
+	
 	<entry-point
 		class='org.gcube.portlets.user.dataminermanager.client.DataMinerManager' />
-	<!-- <set-property name="log_ConsoleLogger" value="ENABLED" /> <set-property 
+	<!-- 
+	<set-property name="log_ConsoleLogger" value="ENABLED" /> <set-property 
 		name="log_DivLogger" value="ENABLED" /> <set-property name="log_GWTLogger" 
 		value="ENABLED" /> <set-property name="log_SystemLogger" value="ENABLED" 
-		/> -->
+		/>  --> 
-
 
+    
 	<set-property name="log_ConsoleLogger" value="DISABLED" />
 	<set-property name="log_DivLogger" value="DISABLED" />
 	<set-property name="log_GWTLogger" value="DISABLED" />
-	<set-property name="log_SystemLogger" value="DISABLED" />
+	<set-property name="log_SystemLogger" value="DISABLED" /> 
 
 
 

src/main/resources/org/gcube/portlets/user/dataminermanager/dataminermanager.gwt.xml

@@ -31,11 +31,12 @@
 
 	<entry-point
 		class='org.gcube.portlets.user.dataminermanager.client.DataMinerManager' />
-	<!-- <set-property name="log_ConsoleLogger" value="ENABLED" /> <set-property 
+    <!-- 
+    <set-property name="log_ConsoleLogger" value="ENABLED" /> <set-property 
 		name="log_DivLogger" value="ENABLED" /> <set-property name="log_GWTLogger" 
 		value="ENABLED" /> <set-property name="log_SystemLogger" value="ENABLED" 
-		/> -->
+		/>  -->
-
+     
 	<set-property name="log_ConsoleLogger" value="DISABLED" />
 	<set-property name="log_DivLogger" value="DISABLED" />
 	<set-property name="log_GWTLogger" value="DISABLED" />