Hey all-
I'm trying to use DynaActionForm to send data from an action to my jsp.
I've got a setup something like:
MaintainThemesAction ---> MaintainThemes.jsp
I populate a the DynaActionForm associated with the action in the
MaintainThemesAction but when I try to access the values it contains from my
JSP I only get errors. I've setup my form-bean and action mapping like the
following xml snippets (yes, they are in the right locations in my
struts-config.xml file ;))
<form-bean name="maintainThemesForm"
type="org.apache.struts.action.DynaActionForm">
<form-property name="themes" type="java.lang.Object[]"/>
</form-bean>
<action path="/adsetup/GetThemes"
type="com.shaws.aps.action.AdSetupMaintenanceAction"
name="maintainThemesForm"
scope="request"
validate="false">
<forward name="success" path="/adsetup/MaintainThemes.jsp"/>
</action>
Here's the errors i get. The first few messages are system.out.println's
from my action class. I kinda find this output confusing given that it
appears to run the action then map the action. It also appears to blow away
my DynaActionForm right before giving it to the JSP. Can anyone suggest
what is going wrong here?
got 170 themes from database.
dynaform name is maintainThemesForm
dynaform is a NOT NULL form
setting values to dynaform...
checking set values.... Got an array of size 170 from dynaactionform.
forwarding to jsp...
09/24 07:31:15 info [axis] Processing a 'GET' for path '/adsetup/GetThemes'
09/24 07:31:15 debug [axis] Looking for ActionForm bean instance in scope
'requ
est' under attribute key 'maintainThemesForm'
09/24 07:31:15 debug [axis] Creating new DynaActionForm instance of type
'org.a
pache.struts.action.DynaActionForm'
09/24 07:31:15 debug [axis] Storing ActionForm bean instance in scope
'request'
under attribute key 'maintainThemesForm'
09/24 07:31:15 debug [axis] Populating bean properties from this request
09/24 07:31:15 debug [axis]
BeanUtils.populate(DynaActionForm[dynaClass=maintain
ThemesForm,themes=<NULL>], {})
09/24 07:31:15 debug [axis] Looking for Action instance for class
com.shaws.aps
.action.AdSetupMaintenanceAction
09/24 07:31:15 error Unhandled exception thrown from
/adsetup/MaintainThemes.jsp:62
[1]javax.servlet.jsp.JspException: Cannot create iterator for this
collection
at
org.apache.struts.taglib.logic.IterateTag.doStartTag(IterateTag.java:
337)
at
jrun__adsetup__MaintainThemes2ejsp1b._jspService(jrun__adsetup__Maint
ainThemes2ejsp1b.java:103)
at jrun.jsp.runtime.HttpJSPServlet.service(HttpJSPServlet.java:43)
at jrun.jsp.JSPServlet.service(JSPServlet.java:106)
at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:106)
at
jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at
jrun.servlet.JRunRequestDispatcher.invokeNext(JRunRequestDispatcher.j
ava:414)
at
jrun.servlet.JRunRequestDispatcher.forwardInvoke(JRunRequestDispatche
r.java:387)
at
jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java
:172)
at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.
java:1014)
at
org.apache.struts.action.RequestProcessor.processForwardConfig(Reques
tProcessor.java:417)
at
org.apache.struts.action.RequestProcessor.processActionForward(Reques
tProcessor.java:390)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja
va:271)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:129
2)
at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:492)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:106)
at
jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at
jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:
241)
at
jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:
527)
at jrun.servlet.http.WebService.invokeRunnable(WebService.java:172)
at
jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPoo
l.java:348)
at
jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.j
ava:451)
at
jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.
java:294)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
[0]jrun.jsp.runtime.UncaughtPageException: Unhandled exception thrown from
/adse
tup/MaintainThemes.jsp:62
at jrun.jsp.runtime.Utils.handleException(Utils.java:57)
at
jrun.jsp.runtime.JRunPageContext.handlePageException(JRunPageContext.
java:381)
<snip/>
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