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java.lang.IllegalArgumentException: Illegal group reference	at java.util.regex.Matcher.appendReplacement(Matcher.java:706)	at com.icesoft.faces.webapp.parser.JspPageToDocument.a(Unknown Source)	at com.icesoft.faces.webapp.parser.JspPageToDocument.a(Unknown Source)	at com.icesoft.faces.webapp.parser.JspPageToDocument.preprocessJspDocument(Unknown Source)	at com.icesoft.faces.application.D2DViewHandler.a(Unknown Source)	at com.icesoft.faces.application.D2DViewHandler.renderView(Unknown Source)	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)	at com.icesoft.faces.webapp.xmlhttp.PersistentFacesServlet.service(Unknown Source)