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https://issues.apache.org/jira/browse/WICKET-3030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Igor Vaynberg resolved WICKET-3030.
-----------------------------------
Resolution: Invalid
no, it does not make sense to create the listchoice without a model, because
then it cannot save the selection anywhere.
the constructor without a model exists to support compoundpropertymodels which
are implicitly resolved when used.
the exception you have pasted is incorrect, there should have been another
exception before it stating that the component could not save its value because
it could not find a model.
> ListMultipleChoice causes IllegalStateException
> -----------------------------------------------
>
> Key: WICKET-3030
> URL: https://issues.apache.org/jira/browse/WICKET-3030
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.5-M1
> Environment: Reproduced on Tomcat 6.0.29 as well as Glassfish v3
> Reporter: Jeroen Kransen
> Assignee: Igor Vaynberg
> Priority: Minor
> Attachments: myproject.rar, myproject.zip
>
>
> When I use a org.apache.wicket.markup.html.form.ListMultipleChoice in a
> Panel, it shows up ok on the screen. When I submit the form, I get a
> java.lang.IllegalStateException. Full stack trace:
> SEVERE: Servlet.service() for servlet default threw exception
> java.lang.IllegalStateException
> at
> org.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:435)
> at
> org.apache.wicket.protocol.http.servlet.ServletWebResponse.sendRedirect(ServletWebResponse.java:232)
> at
> org.apache.wicket.protocol.http.BufferedWebResponse$SendRedirectAction.invoke(BufferedWebResponse.java:275)
> at
> org.apache.wicket.protocol.http.BufferedWebResponse.writeTo(BufferedWebResponse.java:439)
> at
> org.apache.wicket.protocol.http.HeaderBufferingWebResponse.flush(HeaderBufferingWebResponse.java:87)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:145)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:188)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
> at java.lang.Thread.run(Thread.java:619)
> The code that triggers the Exception (does not occur without) is this:
> Java:
> public class FilterPanel extends Panel {
> public FilterPanel(String id, List<String> choices) {
> super(id);
> ListMultipleChoice<String> photographerChoice = new
> ListMultipleChoice<String>("filter.choices", choices).setMaxRows(5);
> add(photographerChoice);
> }
> }
> HTML:
> <wicket:panel>
> <div>
> <select wicket:id="filter.choices">
> <option>choice0</option>
> <option>choice1</option>
> </select>
> </div>
> </wicket:panel>
> There is no more logging besides this, and no more "caused by" Exceptions.
> Good luck! I'll be happy to supply more info.
> Jeroen
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