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Build: NetBeans IDE 6.9 Beta (Build 201004200117) VM: Java HotSpot(TM) Client VM, 14.3-b01, Java(TM) SE Runtime Environment, 1.6.0_17-b04 OS: Windows 7 Stacktrace: java.lang.NullPointerException at org.netbeans.modules.webpreview.HTMLWebPreviewable$HTMLWebPreviewableImpl.onAttach(HTMLWebPreviewable.java:124) at org.netbeans.modules.webpreview.WebPreviewControler$1.propertyChange(WebPreviewControler.java:104) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.modules.webpreview.HTMLWebPreviewable$HTMLWebPreviewableImpl.setPreviewEnabled(HTMLWebPreviewable.java:94) at org.netbeans.modules.webpreview.HTMLPreviewAction.actionPerformed(HTMLPreviewAction.java:73)
Created attachment 99023 [details] stacktrace
Please evaluate.
I know nothing about such module...