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java.lang.ClassCastException: packageName$JaxbAccessorF_ cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor

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Abhishek jain

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Aug 5, 2021, 2:53:11 AM8/5/21
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Hi ,

I am getting below error in Test module when trying to create a new instance for jaxb context ,

Caused by: java.lang.ClassCastException: "PackageName.className"$JaxbAccessorF_FieldName cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
at com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.instanciate(OptimizedAccessorFactory.java:184)
at com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:176)
at com.sun.xml.internal.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:266)
at com.sun.xml.internal.bind.v2.runtime.property.SingleElementLeafProperty.<init>(SingleElementLeafProperty.java:72)
at sun.reflect.GeneratedConstructorAccessor5.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:485)
at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:153)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:485)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:302)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:125)
at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1127)

below is the code snippet on which it throws error

jaxbcontext = JAXBContext.newInstance(Classname.class);


Note :- The code works fine when deploying on a server and sending a request , but fails only in Test Module (We are using OpenEjb framework)

Can anyone help?

Thanks

Eric Sosman

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Aug 5, 2021, 10:50:27 AM8/5/21
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On 8/5/2021 2:53 AM, Abhishek jain wrote:
> Hi ,
>
> I am getting below error in Test module when trying to create a new instance for jaxb context ,
>
> Caused by: java.lang.ClassCastException: "PackageName.className"$JaxbAccessorF_FieldName cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
> at com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.instanciate(OptimizedAccessorFactory.java:184)
> [...]

Although I know nothing whatsoever about JAXB or OpenEjb, I know how
to do simple Web searches. Looking for "OptimizedAccessorFactory" led
me to

https://github.com/eclipse-ee4j/jaxb-ri/issues/1449

... which you might find helpful.


> below is the code snippet on which it throws error
>
> jaxbcontext = JAXBContext.newInstance(Classname.class);

Lots of detail there ...

--
eso...@comcast-dot-net.invalid
Look on my code, ye Hackers, and guffaw!
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