I have a dataTable with a control variable named "report". The dataTable is
populated from a collection of EJB3 entities.
Upon clicking one of the links in the table the user is transferred to another
view which accepts an @In parameter named report. This view creates another
dataTable (in the form of a UIData object) and displays it.
All of this works only once -- all subsequent attempts to click my way through
the tables fail miserably with an exception in
com.sun.facelets.el.LegacyValueBinding.setValue.
The first dataTable looks like this:
<h:dataTable var="report" value="#{reports}" id="list">
| <h:commandLink rendered="#{report.ready}" action="#{showreport.show}"
value="Show report"/>
| </h:dataTable>
|
The #{showreport.show} action does nothing but creating a UIData object marked
with an @Out annotation and some data values (a List also marked with an @Out).
The UIData object is then displayed by the following tag:
<h:dataTable binding="#{showreport.dataTable}" value="#{showreport.tableRows}"/>
As I said before, this scheme works perfectly until I return to the first
dataTable and click on the "Show report" link again. The second (and any next)
time I get this exception:
javax.faces.el.PropertyNotFoundException: /report/showreport.xhtml @22,97
binding="#{showreport.dataTable}": Bean:
org.javassist.tmp.java.lang.Object_$$_javassist_187, property: dataTable
at
com.sun.facelets.el.LegacyValueBinding.setValue(LegacyValueBinding.java:72)
at
org.apache.myfaces.application.ApplicationImpl.createComponent(ApplicationImpl.java:443)
at
org.jboss.seam.jsf.SeamApplication11.createComponent(SeamApplication11.java:78)
at
com.sun.facelets.tag.jsf.ComponentHandler.createComponent(ComponentHandler.java:237)
[...]
Creating a setter for the dataTable property does not help much -- the same
exception is thrown.
How do I ensure that the results of calling an action are consistent throughout
the use of the application?
I'm using Seam 1.2.1.
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