校内网出错

问题描述：

500 Servlet Exception
javax.servlet.jsp.JspException: Exception forwarding for name syshome:
java.lang.NumberFormatException: For input string: "null"
at org.apache.struts.taglib.logic.ForwardTag.doForward(ForwardTag.java:125)
at org.apache.struts.taglib.logic.ForwardTag.doEndTag(ForwardTag.java:105)
at _jsp._index__jsp._jspService(index.jsp:23)
at com.caucho.jsp.JavaPage.service(JavaPage.java:60)
at com.caucho.jsp.Page.pageservice(Page.java:570)
at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:179)
at com.caucho.filters.GzipFilter.doFilter(GzipFilter.java:208)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:175)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:173)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:274)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:511)
at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:516)
at com.caucho.util.ThreadPool.run(ThreadPool.java:442)
at java.lang.Thread.run(Thread.java:595)

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Resin Professional 3.0.21 (built Thu, 10 Aug 2006 12:17:46 PDT)

问题解答：

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