java.io.IOException: Cannot initialize JSP parser, following JAR files couldn't be localted: ant/lib/ant.jar,ant/lib/ant-launcher.jar.
   at org.netbeans.modules.web.jspparser.JspParserImpl.initURLs(JspParserImpl.java:126)
   at org.netbeans.modules.web.jspparser.JspParserImpl.initReflection(JspParserImpl.java:148)
   at org.netbeans.modules.web.jspparser.JspParserImpl.createParseProxy(JspParserImpl.java:233)
   at org.netbeans.modules.web.jspparser.JspParserImpl.getParseProxy(JspParserImpl.java:224)
   at org.netbeans.modules.web.jspparser.JspParserImpl.analyzePage(JspParserImpl.java:195)
   at org.netbeans.modules.web.core.jsploader.TagLibParseSupport$ParsingRunnable.run(TagLibParseSupport.java:361)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:0)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:0)