Hi,
Coming from the WebObject world here. I’m trying to build a select input, but
it’s not working. The error:
ERROR [2017-07-25 18:28:22,181] bootique-http-33
o.a.t.m.T.RequestExceptionHandler: Processing of request failed with uncaught
exception: org.apache.tapestry5.ioc.internal.OperationException: Render queue
error in BeforeRenderTemplate[PagePrincipale:gabarit]:
org.apache.tapestry5.ioc.internal.util.TapestryException [at
classpath:com/druide/tests/pages/PagePrincipale.tml, line 60]
java.lang.NullPointerException: null
at
org.apache.tapestry5.internal.util.SelectModelRenderer.option(SelectModelRenderer.java:52)
at
org.apache.tapestry5.util.AbstractSelectModel.visitOptions(AbstractSelectModel.java:54)
at
org.apache.tapestry5.util.AbstractSelectModel.visit(AbstractSelectModel.java:46)
at
org.apache.tapestry5.corelib.components.Select.options(Select.java:462)
Wrapped by: org.apache.tapestry5.ioc.internal.util.TapestryException: null
Wrapped by: org.apache.tapestry5.ioc.internal.OperationException: Render queue
error in BeforeRenderTemplate[PagePrincipale:gabarit]:
org.apache.tapestry5.ioc.internal.util.TapestryException
The call:
@Property
private SelectModel selectionMV;
@Inject
SelectModelFactory selectModelFactory;
@Property
private MachineVirtuelle selectionMachineVirtuelle;
@Property
private MachineVirtuelleEncoder encoder;
void setupRender() {
List<MachineVirtuelle> gabarits = getGabarits();
selectionMV = selectModelFactory.create(gabarits, "nom");
}
<t:form>
<t:select t:id="gabarit" value="selectionMachineVirtuelle"
model="selectionMV" encoder="encoder" />
</t:form>
I get the exception from the call to selectModelFactory.create, and the «
gabarits » list is not empty. « nom » is an attribute of MachineVirtuelle.
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