Since that's not a normal result of using a stream result, I have to
assume you are doing something wrong. Without seeing the relevant
code/configuration, though, we can't offer much help.
L.
Hoying, Ken wrote:
I have tried to accomplish this by creating an action with a stream
result type.
I am then including calling the action from with in my JSP page using
the <s:action> tag.
Unfortunately though, I am getting the following error:
[2008-05-21 11:26:25,702] [http-0.0.0.0-8080-2] [ERROR] []
[ts2.components.ActionComponent]: Could not execute action:
/catalog/ContractDetailsNote
java.lang.IllegalStateException: getWriter() has already been called for
this response
at
org.apache.catalina.connector.Response.getOutputStream(Response.java:573
)
at
org.apache.catalina.connector.ResponseFacade.getOutputStream(ResponseFac
ade.java:183)
at
org.apache.struts2.dispatcher.StreamResult.doExecute(StreamResult.java:2
19)
at
org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSu
pport.java:178)
at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultAct
ionInvocation.java:348)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:253)
at
org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java
:50)
at
org.apache.struts2.components.ActionComponent.executeAction(ActionCompon
ent.java:255)
at
org.apache.struts2.components.ActionComponent.end(ActionComponent.java:1
55)
at
org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSu
pport.java:43)
at
org.apache.jsp.jsps.catalog.AjaxContractInfo_jsp._jspx_meth_s_005faction
_005f0(AjaxContractInfo_jsp.java:413)
at
org.apache.jsp.jsps.catalog.AjaxContractInfo_jsp._jspx_meth_s_005fiterat
or_005f0(AjaxContractInfo_jsp.java:297)
at
org.apache.jsp.jsps.catalog.AjaxContractInfo_jsp._jspx_meth_s_005fsort_0
05f0(AjaxContractInfo_jsp.java:247)
at
org.apache.jsp.jsps.catalog.AjaxContractInfo_jsp._jspx_meth_s_005felse_0
05f0(AjaxContractInfo_jsp.java:200)
at
org.apache.jsp.jsps.catalog.AjaxContractInfo_jsp._jspService(AjaxContrac
tInfo_jsp.java:99)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.ja
va:373)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:206)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatc
her.java:654)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(Applicatio
nDispatcher.java:445)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDisp
atcher.java:379)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispat
cher.java:292)
at
org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletD
ispatcherResult.java:139)
at
org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSu
pport.java:178)
at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultAct
ionInvocation.java:348)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:253)
at
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doInterce
pt(DefaultWorkflowInterceptor.java:221)
at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Me
thodFilterInterceptor.java:86)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.TimerInterceptor.invokeUnderTiming(T
imerInterceptor.java:125)
at
com.opensymphony.xwork2.interceptor.TimerInterceptor.intercept(TimerInte
rceptor.java:112)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(Vali
dationInterceptor.java:150)
at
org.apache.struts2.interceptor.validation.AnnotationValidationIntercepto
r.doIntercept(AnnotationValidationInterceptor.java:48)
at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Me
thodFilterInterceptor.java:86)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.TimerInterceptor.invokeUnderTiming(T
imerInterceptor.java:125)
at
com.opensymphony.xwork2.interceptor.TimerInterceptor.intercept(TimerInte
rceptor.java:112)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept
(ConversionErrorInterceptor.java:123)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(Pa
rametersInterceptor.java:167)
at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Me
thodFilterInterceptor.java:86)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercep
t(StaticParametersInterceptor.java:105)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInt
erceptor.java:83)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(Chaini
ngInterceptor.java:115)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterc
eptor.java:143)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(Prepa
reInterceptor.java:121)
at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Me
thodFilterInterceptor.java:86)
at
com.premierinc.sca.interceptor.ScaPrepareInterceptor.intercept(ScaPrepar
eInterceptor.java:42)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(Servle
tConfigInterceptor.java:170)
at
com.premierinc.sca.interceptor.ServletConfigEnhancedInterceptor.intercep
t(ServletConfigEnhancedInterceptor.java:73)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.premierinc.sca.interceptor.UserInterceptor.intercept(UserInterceptor
..java:129)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.premierinc.sca.interceptor.HibernateSessionInterceptor$FilterChainIn
voker.doFilter(HibernateSessionInterceptor.java:145)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFil
terInternal(OpenSessionInViewFilter.java:198)
at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequ
estFilter.java:75)
at
com.premierinc.sca.interceptor.HibernateSessionInterceptor.intercept(Hib
ernateSessionInterceptor.java:75)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercep
t(ExceptionMappingInterceptor.java:176)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:224)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultAct
ionInvocation.java:223)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerS
tack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvo
cation.java:221)
at
org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java
:50)
at
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:5
04)
at
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher
..java:419)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:206)
at
org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContex
tCleanUp.java:99)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:206)
at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilte
r.java:96)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:230)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java:175)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAs
sociationValve.java:179)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authenticator
Base.java:432)
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.j
ava:84)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:102)
at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConn
ectionValve.java:157)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:2
62)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:84
4)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(
Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
at java.lang.Thread.run(Thread.java:595)
-----Original Message-----
From: Hoying, Ken [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 21, 2008 9:42 AM
To: user@struts.apache.org
Subject: [S2] Advice on Handling CLOBs in Struts2
Generally when working with Struts2, we have been loading a domaon
object from the database in our action and then sending then referencing
the properties as needed from the JSP to generate our output.
However, we now what could potentially be a large amount of data stored
in a CLOB. Using the method that we have been using to date, we would
have to place the entire CLOB in a string in the action and then access
it from the JSP. Obviously, we would like to avoid doing that.
I was wondering if anyone else had come across this and how they had
managed to solve it. How do we stream the content of the CLOB?
Thank you!
Ken
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