For one test case, the Implementations are in the same package as the
page itself. For the original problem, the implementations are in a
package outside of the WebApplication. The error occurs in both
situations.
The error does not occur if the page has no "onSubmit" method. But I
need the method to handle the data....
M.
Am 04.02.2008 um 06:21 schrieb Howard Lewis Ship:
In what package are these implementation classes?
On Feb 1, 2008 1:53 AM, Moritz Gmelin <[EMAIL PROTECTED]> wrote:
P.P.S.
If I just hit reload after the exception has occured, the EditPage
loads as expected.
M.
Am 01.02.2008 um 10:03 schrieb Moritz Gmelin:
P.S. this happens with T 5.0.9
Am 01.02.2008 um 10:02 schrieb Moritz Gmelin:
Hi,
I have an Editing page that I would like to use to edit different
object implementing the same class. If I switch the object I want
to edit I get a ClassCastException in the
CoercingPropertyConduitWrapper (see below).
I have created a simple scenario to reproduce this.
First there is a Base Page CoercTest that hast 2 ActionLinks that
lead to the ObjectEditPage
-----------------------------
public class CoercTest {
@InjectPage
private ObjectEditPage editPage;
@OnEvent(component="typeTO1")
public ObjectEditPage onTypeTO1() {
editPage.setTestObject(new TO1());
return editPage;
}
@OnEvent(component="typeTO2")
public ObjectEditPage onTypeTO2() {
editPage.setTestObject(new TO2());
return editPage;
}
}
----------------------------------
TO1 and TO2 both implement TestInterface
This is what ObjectEditPage looks like
-------------------
@Persist
private TestInterface testObject;
public TestInterface getTestObject() {
return testObject;
}
public void setTestObject(TestInterface to) {
this.testObject = to;
}
public Object onSuccess() {
testObject = null;
return CoercTest.class;
}
------------------------
the tml contains just a BeanForm to edit the "testObject"
Now if the user hits the first ActionLink on the CoercTest page,
and submits the form everything looks OK. But as soons as he then
hits the 2. ActionLink to edit an Object of the other SubType of
TestInterface he gets the following Exception
------------------------
java.lang.ClassCastException
de.avetana.app.pages.test.TO2
Stack trace
•
org
.apache
.tapestry
.internal
.services
.CoercingPropertyConduitWrapper
.get(CoercingPropertyConduitWrapper.java:36)
• org.apache.tapestry.corelib.components.PropertyEditor
$1.getPropertyValue(PropertyEditor.java:151)
•
org
.apache
.tapestry.internal.bindings.PropBinding.get(PropBinding.java:
54)
•
org
.apache
.tapestry
.internal
.structure
.InternalComponentResourcesImpl
.readParameter(InternalComponentResourcesImpl.java:209)
•
org
.apache
.tapestry
.internal
.structure
.InternalComponentResourcesImpl
.readParameter(InternalComponentResourcesImpl.java:224)
• org.apache.tapestry.corelib.base.AbstractTextField._
$read_parameter_value(AbstractTextField.java)
•
org
.apache
.tapestry
.corelib.base.AbstractTextField.begin(AbstractTextField.java:154)
•
org
.apache
.tapestry
.corelib.base.AbstractTextField.beginRender(AbstractTextField.java)
•
org.apache.tapestry.internal.structure.ComponentPageElementImpl
$10$1.run(ComponentPageElementImpl.java:327)
•
org
.apache
.tapestry
.internal
.structure
.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:869)
•
org
.apache.tapestry.internal.structure.ComponentPageElementImpl.access
$100(ComponentPageElementImpl.java:53)
•
org.apache.tapestry.internal.structure.ComponentPageElementImpl
$10.render(ComponentPageElementImpl.java:331)
•
org
.apache
.tapestry
.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:58)
•
org
.apache
.tapestry
.internal
.services.PageRenderQueueImpl.render(PageRenderQueueImpl.java:63)
• org.apache.tapestry.services.TapestryModule
$19.renderMarkup(TapestryModule.java:1291)
• org.apache.tapestry.services.TapestryModule
$23.renderMarkup(TapestryModule.java:1399)
• org.apache.tapestry.services.TapestryModule
$22.renderMarkup(TapestryModule.java:1380)
----------------------------
Is there anything one can do to have EditingPages that can handle
more than one object type?
M.
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--
Howard M. Lewis Ship
Creator Apache Tapestry and Apache HiveMind
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