java.lang.NumberFormatException: null
	at java.lang.Integer.parseInt(Integer.java:415)
	at java.lang.Integer.valueOf(Integer.java:553)
	at com.topsuntech.gUnit.common.web.util.WebHelper.getNetTypeId(WebHelper.java:99)
	at com.topsuntech.gUnit.gEU_xxfb.actions.IndexListAction.showIndexList(IndexListAction.java:57)
	at com.topsuntech.gUnit.gEU_xxfb.actions.IndexListAction.execute(IndexListAction.java:38)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
	at com.topsuntech.gOS.gFramework.RequestProcessor.processActionPerform(Unknown Source)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	at com.topsuntech.gOS.gFramework.MainServlet.process(Unknown Source)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	at com.apusic.servlet.http.Context.invoke(Unknown Source)
	at com.apusic.servlet.http.Context.processRequest(Unknown Source)
	at com.apusic.servlet.http.VirtualHost.processRequest(Unknown Source)
	at com.apusic.servlet.http.HttpServer.processRequest(Unknown Source)
	at com.apusic.servlet.http.HttpConnectionHandler.service(Unknown Source)
	at com.apusic.servlet.http.ConnectionHandler.processRequest(Unknown Source)
	at com.apusic.servlet.http.ConnectionHandler.processConnection(Unknown Source)
	at com.apusic.servlet.http.ConnectionHandler.run(Unknown Source)
	at com.apusic.util.ThreadPoolImpl$WorkerThread.run(Unknown Source)