Running examples in 'iplots-Ex.R' failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: ibox
> ### Title: Interactive Box Plot
> ### Aliases: ibox
> ### Keywords: hplot
> 
> ### ** Examples
> 
> data(iris)
> attach(iris)
> ibox(Petal.Length)
Error in .jcall(.iplots.fw, "Lorg/rosuda/ibase/plots/ParallelAxesCanvas;",  : 
  java.lang.NullPointerException
Calls: ibox -> .iplot.iBox -> .iplot.new -> .jcall -> .jcheck
Execution halted
Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
	at org.rosuda.ibase.plots.ParallelAxesCanvas.paintSelected(ParallelAxesCanvas.java:1277)
	at org.rosuda.ibase.toolkit.BaseCanvas.paintPoGraSS(BaseCanvas.java:330)
	at org.rosuda.ibase.toolkit.AWTGraphicsDevice.paintLayer(AWTGraphicsDevice.java:75)
	at org.rosuda.ibase.toolkit.AWTGraphicsDevice.update(AWTGraphicsDevice.java:167)
	at org.rosuda.ibase.toolkit.AWTGraphicsDevice.paint(AWTGraphicsDevice.java:90)
	at org.rosuda.ibase.toolkit.PlotCanvas.paint(PlotCanvas.java:19)
	at java.desktop/sun.awt.RepaintArea.paintComponent(RepaintArea.java:264)
	at java.desktop/sun.awt.X11.XRepaintArea.paintComponent(XRepaintArea.java:66)
	at java.desktop/sun.awt.RepaintArea.paint(RepaintArea.java:240)
	at java.desktop/sun.awt.X11.XComponentPeer.handleEvent(XComponentPeer.java:555)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5069)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4840)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)