What is the best way to do this? setDocument(null) resulted in an error: Exception in thread "Thread-29" java.lang.NullPointerException at org.apache.batik.swing.svg.AbstractJSVGComponent.stopThenRun(Unknown Source) at org.apache.batik.swing.svg.AbstractJSVGComponent.setSVGDocument(Unknown Source) at org.apache.batik.swing.svg.AbstractJSVGComponent.setDocument(Unknown Source) at mil.jfcom.cie.whiteboard.ui.WBCanvas.destroy(WBCanvas.java:96) at mil.jfcom.cie.whiteboard.ui.WBContentPane.destroy(WBContentPane.java:218) at mil.jfcom.cie.whiteboard.ui.WBMainFrame.removeChildren(WBMainFrame.java:56) Michael Bishop
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