Dennis Sosnoski <dms <at> sosnoski.com> writes:
>
> Hi Sandeep,
>
> Is the exception occurring during marshalling or unmarshalling? Also, I
> don't understand how you can get a ClassCastException with no further
> stack trace information - can you show exactly what you're getting? Thanks,
>
> - Dennis
>
> Sandeep Khanna wrote:
>
> >Hi All,
> >
> >Jibx binding compiler compiles fine with the following binding & class
> >declaration:
> >
> > <mapping name="AsClient" class="com.adminserver.dcl.ClientDcl"
> >ordered="false">
> > <collection field="roles" type="java.util.HashSet"
> >item-type="com.adminserver.dcl.RoleDcl" name="PolicyRoles"
> >usage="optional"/>
> > </mapping>
> >
> ><mapping name="AsRole" class="com.adminserver.dcl.RoleDcl"
> >ordered="false">
> > <value get-method="getRoleGuid" set-method="setRoleGuid"
> >name="RoleGUID" style="element"
> > usage="optional"/>
> > </mapping>
> >
> >
> >public class ClientDcl {
> >...
> >private java.util.Set roles;
> >...
> >}
> >
> >I am getting a java.lang.ClassCastException without any more stack trace
> >information from Jibx.
> >
> >Would I need to use the 'factory' attribute instead of the 'type'
> >attribute? Something on the lines of
> >org.jibx.runtime.Utility.arrayListFactory?
> >
> >Any idea what's going on here?
> >
> >--Sandeep Khanna
> >
> >
> >
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>
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Hi Dennis,
I know this topic has been idle for a while, but I am seeing the same thing when
I marshal a hibernate object. My FlockTest object marshalled just fine the first
time, without any collection bindings. Then I added the <collection> and got a
ClassCastException with no detailMessage, stackTrace, or any other information.
My binding has this:
<binding forwards="false" value-style="attribute">
<mapping class="FlockTest" name="flock-test">
<value style="element"
name="flock-test-id"
field="flockTestId"
usage="optional"/>
[....]
<collection field="flockTestDetails"
item-type="FlockTestDetail"
type="java.util.HashSet"
usage="optional"/>
</mapping>
<mapping class="FlockTestDetail" name="flock-test-detail">
[...]
</mapping>
</binding>
My FlockTest class looks like this:
public class FlockTest implements java.io.Serializable {
[...]
private Set flockTestDetails = new HashSet(0);
public Set getFlockTestDetails() {
return this.flockTestDetails;
}
public void setFlockTestDetails(Set flockTestDetails) {
this.flockTestDetails = flockTestDetails;
}
}
The marshalling code looks like this:
public void saveFlockTest(FlockTest ft) throws DataAccessException
{
try{
IBindingFactory bfact =
BindingDirectory.getFactory(FlockTest.class);
IMarshallingContext mctx = bfact.createMarshallingContext();
mctx.setIndent(4);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
mctx.marshalDocument(ft, "UTF-8", null, baos);
log.debug(baos.toString());
}catch(JiBXException je){
;
}catch(Exception e){
log.debug(e.getStackTrace());
}
}
I even rebuilt the latest code (1.0 RC1?) with debug symbols and stepped through
the marshalling code. It all works until it gets to the JiBX-generated FlockTest
marshal code, which I cannot step through. In the marshal() call, it steps into
MarshallingContext.getMarshaller(). That seems to return a marshaller correctly
because the debugger opens the FlockTest source file and indicates that it's
calling FlockTest.marshal(IMarshallingContext), as expected. I step/execute
three times (helpful?) in the marshal call and then get a CCE.
I'm just getting into JiBX and very happy that my first test succeeded, but that
was a simple test. My objects may have many levels of children and
grandchildren, all implemented as java.util.Set.
Any pointers would be helpful. Thanks!
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