在将BIRT与sql server 2014企业连接时，发现此错误。任何人都可以帮忙吗？
org.eclipse.birt.report.data.oda.jdbc.JDBCException: There is an error in get connection, Login failed for user ''. ClientConnectionId:64567f1f-987e-485c-af02-204e770945ae.
at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.doConnect(JDBCDriverManager.java:339)
at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.getConnection(JDBCDriverManager.java:210)
at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.tryCreateConnection(JDBCDriverManager.java:827)
at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.testConnection(JDBCDriverManager.java:748)
at org.eclipse.birt.report.data.oda.jdbc.ui.util.DriverLoader.testConnection(DriverLoader.java:147)
at org.eclipse.birt.report.data.oda.jdbc.ui.util.DriverLoader.testConnection(DriverLoader.java:175)
at org.eclipse.birt.report.data.oda.jdbc.ui.profile.JDBCSelectionPageHelper.testConnection(JDBCSelectionPageHelper.java:998)
at org.eclipse.birt.report.data.oda.jdbc.ui.profile.JDBCSelectionPageHelper.access$11(JDBCSelectionPageHelper.java:960)
at org.eclipse.birt.report.data.oda.jdbc.ui.profile.JDBCSelectionPageHelper$8.widgetSelected(JDBCSelectionPageHelper.java:883)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:827)
at org.eclipse.jface.window.Window.open(Window.java:803)
at org.eclipse.birt.report.designer.data.ui.actions.NewDataSourceAction.run(NewDataSourceAction.java:127)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:473)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.birt.report.designer.ui.rcp.DesignerApplication.run(DesignerApplication.java:37)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.internal.app.EclipseAppContainer.callMethodWithException(EclipseAppContainer.java:587)