各位大侠，请教下 刚学习spoon 在新建DB连接时候报错要怎么处理呀。

 org.pentaho.ui.xul.XulException: org.pentaho.ui.xul.XulException: java.lang.reflect.InvocationTargetException
at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:134)
at org.pentaho.ui.xul.swt.SwtXulLoader.loadXul(SwtXulLoader.java:128)
at org.pentaho.ui.xul.swt.SwtXulLoader.loadXul(SwtXulLoader.java:122)
at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:242)
at org.pentaho.ui.database.DatabaseConnectionDialog.getSwtInstance(DatabaseConnectionDialog.java:60)
at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.createDialog(XulDatabaseDialog.java:147)
at org.pentaho.di.ui.core.database.dialog.XulDatabaseDialog.open(XulDatabaseDialog.java:105)
at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.open(DatabaseDialog.java:60)
at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:485)
at org.pentaho.di.ui.spoon.delegates.SpoonDBDelegate.newConnection(SpoonDBDelegate.java:472)
at org.pentaho.di.ui.spoon.Spoon.doubleClickedInTree(Spoon.java:3073)
at org.pentaho.di.ui.spoon.Spoon.doubleClickedInTree(Spoon.java:3043)
at org.pentaho.di.ui.spoon.Spoon.access$2300(Spoon.java:361)
at org.pentaho.di.ui.spoon.Spoon$26.widgetDefaultSelected(Spoon.java:6184)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.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:1366)
at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:8022)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9277)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:692)
at java.base k.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base k.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base k.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
Caused by: org.pentaho.ui.xul.XulException: java.lang.reflect.InvocationTargetException
at org.pentaho.ui.xul.impl.XulParser.getElement(XulParser.java:239)
at org.pentaho.ui.xul.impl.XulParser.parse(XulParser.java:164)
at org.pentaho.ui.xul.impl.XulParser.parseDocument(XulParser.java:85)
at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:126)
... 28 more
Caused by: java.lang.reflect.InvocationTargetException
at java.base k.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base k.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base k.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java:2127)
at org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java:2108)
at org.apache.commons.beanutils.PropertyUtilsBean.setNestedProperty(PropertyUtilsBean.java:1914)
at org.apache.commons.beanutils.PropertyUtilsBean.setProperty(PropertyUtilsBean.java:2021)
at org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:1018)
at org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:823)
at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:431)
at org.pentaho.ui.xul.impl.XulParser.getElement(XulParser.java:235)
... 31 more
Caused by: java.lang.ClassCastException: java.base/[Ljava.lang.Object; cannot be cast to java.base/[Ljava.lang.String;
at org.pentaho.ui.xul.swt.tags.SwtDialog.setButtons(SwtDialog.java:268)
... 43 more