the other 3 threads were not enough? musachy
On Fri, Oct 16, 2009 at 10:17 PM, shenxiaojing <leftka...@sina.com> wrote: > http://struts.apache.org/2.1.8/docs/generator.html > Example Three doesn't work!!! > > Example Three: > <pre> > Generate an iterator with var attribute > <s:generator val="%{'aaa,bbb,ccc,ddd,eee'}" count="4" separator="," > var="myAtt" /> > <% > Iterator i = (Iterator) pageContext.getAttribute("myAtt"); > while(i.hasNext()) { > String s = (String) i.next(); %> > <%=s%> <br/> > <% } > %> > </pre> > This generates an iterator and put it in the PageContext under the key as > specified > by the var attribute. > > > Struts has detected an unhandled exception: > org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWra > pper.java:524) > > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:4 > 35) > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:290) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher. > java:654) > > org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDis > patcher.java:445) > > org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch > er.java:379) > > org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher > .java:292) > > org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispa > tcherResult.java:154) > > org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSuppor > t.java:186) > > com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionI > nvocation.java:361) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:265) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:89) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:89) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(Con > versionErrorInterceptor.java:122) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(Parame > tersInterceptor.java:195) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:87) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(Parame > tersInterceptor.java:195) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:87) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(St > aticParametersInterceptor.java:148) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterce > ptor.java:93) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInt > erceptor.java:235) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDr > ivenInterceptor.java:89) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(S > copedModelDrivenInterceptor.java:128) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(Prof > ilingActivationInterceptor.java:104) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(Debu > ggingInterceptor.java:267) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingIn > terceptor.java:126) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareIn > terceptor.java:138) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:87) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nIntercepto > r.java:148) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletCon > figInterceptor.java:164) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasIntercep > tor.java:128) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(Ex > ceptionMappingInterceptor.java:176) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52) > > org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:468) > > org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOper > ations.java:77) > > org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter.doFilter(StrutsE > xecuteFilter.java:76) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java > :119) > > com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java: > 55) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter.doFilter(StrutsP > repareFilter.java:65) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja > va:233) > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja > va:175) > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128 > ) > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102 > ) > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java > :109) > > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) > > org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java: > 887) > > org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(H > ttp11NioProtocol.java:696) > > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java: > 2009) > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.ja > va:885) > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:9 > 07) > java.lang.Thread.run(Thread.java:619) > > java.lang.NullPointerException > > org.apache.jsp.tags.non_002dui.iteratorTag.showIteratorGeneratorTagDemo_jsp. > _jspService(showIteratorGeneratorTagDemo_jsp.java:93) > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:3 > 93) > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:290) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher. > java:654) > > org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDis > patcher.java:445) > > org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch > er.java:379) > > org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher > .java:292) > > org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispa > tcherResult.java:154) > > org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSuppor > t.java:186) > > com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionI > nvocation.java:361) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:265) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:89) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:89) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(Con > versionErrorInterceptor.java:122) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(Parame > tersInterceptor.java:195) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:87) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(Parame > tersInterceptor.java:195) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:87) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(St > aticParametersInterceptor.java:148) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterce > ptor.java:93) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInt > erceptor.java:235) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDr > ivenInterceptor.java:89) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(S > copedModelDrivenInterceptor.java:128) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(Prof > ilingActivationInterceptor.java:104) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(Debu > ggingInterceptor.java:267) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingIn > terceptor.java:126) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareIn > terceptor.java:138) > > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method > FilterInterceptor.java:87) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nIntercepto > r.java:148) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletCon > figInterceptor.java:164) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasIntercep > tor.java:128) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(Ex > ceptionMappingInterceptor.java:176) > > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati > on.java:236) > > org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52) > > org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:468) > > org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOper > ations.java:77) > > org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter.doFilter(StrutsE > xecuteFilter.java:76) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java > :119) > > com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java: > 55) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter.doFilter(StrutsP > repareFilter.java:65) > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja > va:233) > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja > va:175) > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128 > ) > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102 > ) > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java > :109) > > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) > > org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java: > 887) > > org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(H > ttp11NioProtocol.java:696) > > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java: > 2009) > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.ja > va:885) > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:9 > 07) > java.lang.Thread.run(Thread.java:619) > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > > -- "Hey you! Would you help me to carry the stone?" Pink Floyd --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org
