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java.lang.IllegalStateException: Attempt to mutate in notification	at javax.swing.text.AbstractDocument.writeLock(AbstractDocument.java:1336)	at javax.swing.text.AbstractDocument.replace(AbstractDocument.java:657)	at javax.swing.text.JTextComponent.setText(JTextComponent.java:1403)	at kommander.util.IP$IPDocumentListener.insertUpdate(IP.java:96)