when i open first time website its show error like this
HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:460) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:130) org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:107) org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:78) org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:383) root cause java.lang.NullPointerException org.apache.jsp.index_jsp._jspService(index_jsp.java:73) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:130) org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:107) org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:78) org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:383) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.28 logs.
but if i refresh then site will open perfectly but if u leave idle sometime then if u open next then also same error after that if u refresh then site open perfect this is the problem, its applying in entire application in any page.