Still getting NPE when I compile the binding.
Work-around is that I've added a wrapper class:
<mapping name="Installation"
class="edu.iris.dmc.isis.ConfigInstall" >
<value name="reference" field="hardwareInstallation"
type="edu.iris.dmc.isis.HardwareInstallation"
ident="ref" style="attribute" />
</mapping>
<mapping name="StationConfiguration" class="edu.iris.dmc.isis.StationConfiguration" > <value name="epochStart" field="epochStart" style="attribute" /> <value name="epochEnd" field="epochEnd" usage="optional" style="attribute" /> <value field="station" ident="ref" name="stationId"/> <collection name="InstalledItems" add-method="addHardwareInstallation" iter-method="getInstalledHardwareIterator">
But I have bigger problems with Hibernate....
Dennis Sosnoski wrote:
You need to turn off forward reference support to do this, I think. Try forward="false" on your <binding> element. Of course, that assumes that you really aren't using forward references in your document. See my email from earlier today "Re: Using IDs" for some more discussion of this issue.
- Dennis
Linus Kamb wrote:
I have the following mapping:
<collection name="InstalledItems" add-method="addHardwareInstallation" iter-method="getInstalledHardwareIterator" > <value name="Installation" type="edu.iris.dmc.isis.HardwareInstallation" ident="ref" /> </collection>
And I get a NPE when I try to compile the binding.
(from runtime binding:)
[java] Exception in thread "main" java.lang.NullPointerException
[java] at org.jibx.binding.def.PropertyDefinition.getName(PropertyDefinition.java:307)
[java] at org.jibx.binding.def.ValueChild.createBackfillClass(ValueChild.java:185)
[java] at org.jibx.binding.def.ValueChild.genParseIdRef(ValueChild.java:283)
[java] at org.jibx.binding.def.ValueChild.genUnmarshal(ValueChild.java:401)
[java] at org.jibx.binding.def.ValueChild.genContentUnmarshal(ValueChild.java:587)
[java] at org.jibx.binding.def.NestedCollection.genContentUnmarshal(NestedCollection.java:132)
[java] at org.jibx.binding.def.ElementWrapper.genContentUnmarshal(ElementWrapper.java:272)
[java] at org.jibx.binding.def.NestedStructure.genContentUnmarshal(NestedStructure.java:153)
[java] at org.jibx.binding.def.ObjectBinding.genUnmarshalContentCall(ObjectBinding.java:611)
[java] at org.jibx.binding.def.ObjectBinding.genContentUnmarshal(ObjectBinding.java:723)
[java] at org.jibx.binding.def.ElementWrapper.genContentUnmarshal(ElementWrapper.java:272)
[java] at org.jibx.binding.def.MappingDefinition.generateCode(MappingDefinition.java:499)
[java] at org.jibx.binding.def.DefinitionContext.generateCode(DefinitionContext.java:593)
[java] at org.jibx.binding.def.BindingDefinition.generateCode(BindingDefinition.java:562)
[java] at org.jibx.binding.Loader.processBindings(Loader.java:292)
[java] at org.jibx.binding.Run.main(Run.java:190)
[java] Java Result: 1
If I change the getName() method in PropertyDefinition to spit out toString() at that point, I get:
[java] noSet for: property from collection (edu.iris.dmc.isis.HardwareInstallation)
HardwareInstallation has a defined value for ident="def" .
Trying to figure out what I'm doing wrong...
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