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Posted to user@struts.apache.org by shenxiaojing <le...@sina.com> on 2009/10/17 07:17:20 UTC
struts2.1.8 generator tag problem
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)
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答复: struts2.1.8 generator tag problem
Posted by shenxiaojing <le...@sina.com>.
Thank you for the advice.:)
-----邮件原件-----
发件人: Dale Newfield [mailto:dale@newfield.org]
发送时间: 2009年10月18日 12:30
收件人: Struts Users Mailing List
主题: Re: struts2.1.8 generator tag problem
shenxiaojing wrote:
> http://struts.apache.org/2.1.8/docs/generator.html
> Example Three doesn't work!!!
Unless I'm mistaken the documentation (in this case in the code
comments) is not correct. It doesn't put it in the PageContext, it puts
it into the context that's a part of the OGNL ValueStack.
So (I'm guessing, I haven't tested any of this) if you set var="blah"
you should be able to use it via <s:iterator
value="#blah">...</s:iterator> or in a scriptlet from just the
pageContext via
((ValueStack)(((HttpServletRequest)pageContext.getRequest()).getAttribute(Se
rvletActionContext.STRUTS_VALUESTACK_KEY))).getContext().get("blah")
If you want to promote something from the ognl context to the
pageContext, look at the s:set tag, with scope="page".
-Dale
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Re: struts2.1.8 generator tag problem
Posted by Dale Newfield <da...@newfield.org>.
shenxiaojing wrote:
> http://struts.apache.org/2.1.8/docs/generator.html
> Example Three doesn't work!!!
Unless I'm mistaken the documentation (in this case in the code
comments) is not correct. It doesn't put it in the PageContext, it puts
it into the context that's a part of the OGNL ValueStack.
So (I'm guessing, I haven't tested any of this) if you set var="blah"
you should be able to use it via <s:iterator
value="#blah">...</s:iterator> or in a scriptlet from just the
pageContext via
((ValueStack)(((HttpServletRequest)pageContext.getRequest()).getAttribute(ServletActionContext.STRUTS_VALUESTACK_KEY))).getContext().get("blah")
If you want to promote something from the ognl context to the
pageContext, look at the s:set tag, with scope="page".
-Dale
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To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
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Re: struts2.1.8 generator tag problem
Posted by Musachy Barroso <mu...@gmail.com>.
the other 3 threads were not enough?
musachy
On Fri, Oct 16, 2009 at 10:17 PM, shenxiaojing <le...@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)
>
>
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>
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"Hey you! Would you help me to carry the stone?" Pink Floyd
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