hi, all, I follow the instruction of getting_started_with_pdi, and try to use agile bi. When I right-click the Write to Database (Table Output) step, and select Visualize -> Analyzer, an exception is thrown:
java.lang.RuntimeException: org.eclipse.swt.SWTError: XPCOM error -2147467262
at org.pentaho.agilebi.spoon.visualizations.analyzer.AnalyzerVisualization.createVisualizationFromModel(AnalyzerVisualization.java:202)
at org.pentaho.agilebi.spoon.ModelerHelper.quickVisualize(ModelerHelper.java:355)
at org.pentaho.agilebi.spoon.ModelerHelper.quickVisualizeTableOutputStep(ModelerHelper.java:276)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:329)
at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:139)
at org.pentaho.ui.xul.impl.AbstractXulComponent.invoke(AbstractXulComponent.java:123)
at org.pentaho.ui.xul.swt.tags.SwtMenuitem.access$100(SwtMenuitem.java:27)
at org.pentaho.ui.xul.swt.tags.SwtMenuitem$1.widgetSelected(SwtMenuitem.java:77)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1169)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:6945)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:553)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)
Caused by: org.eclipse.swt.SWTError: XPCOM error -2147467262
at org.eclipse.swt.browser.Mozilla.error(Unknown Source)
at org.eclipse.swt.browser.Mozilla.create(Unknown Source)
at org.eclipse.swt.browser.Browser.<init>(Unknown Source)
at org.pentaho.ui.xul.swt.tags.SwtBrowser.createBrowser(SwtBrowser.java:224)
at org.pentaho.ui.xul.swt.tags.SwtBrowser.layout(SwtBrowser.java:154)
at org.pentaho.ui.xul.impl.XulParser.parse(XulParser.java:171)
at org.pentaho.ui.xul.impl.XulParser.parse(XulParser.java:156)
at org.pentaho.ui.xul.impl.XulParser.parse(XulParser.java:156)
at org.pentaho.ui.xul.impl.XulParser.parse(XulParser.java:156)
at org.pentaho.ui.xul.impl.XulParser.parseDocument(XulParser.java:70)
at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:119)
at org.pentaho.ui.xul.swt.SwtXulLoader.loadXul(SwtXulLoader.java:112)
at org.pentaho.ui.xul.swt.SwtXulLoader.loadXul(SwtXulLoader.java:106)
at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:244)
at org.pentaho.agilebi.spoon.visualizations.analyzer.AnalyzerVisualization.createVisualizationFromModel(AnalyzerVisualization.java:193)
... 24 more

What should I do?