[show] java.lang.NumberFormatException: For input string: ""
java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Integer.parseInt(Integer.java:470)
at java.lang.Integer.parseInt(Integer.java:499)
at it.univr.di.uol.bean.OccorrenzaInsegnamentoBean.getAnniVector(OccorrenzaInsegnamentoBean.java:351)
at it.univr.di.uol.sitocs.command.StudiareCommand.getInsegnamento(StudiareCommand.java:540)
at it.univr.di.uol.sitocs.command.StudiareCommand.execute(StudiareCommand.java:309)
at it.univr.di.uol.sitocs.Main.service(Main.java:348)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:91)
at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:103)
at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:192)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:187)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:265)
at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:436)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:682)
at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:743)
at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:662)
at java.lang.Thread.run(Thread.java:662)