Hi,
Does any JPA annotation cause the same issue?
What jar are you using for the JPA annotations?
The class loading error is very low-level.
I do not know enough about JAXB with JPA to be of much help :-( i know
that there are frameworks like HyperJAXB that work with both.
Paul.
On Apr 14, 2009, at 7:16 PM, Felipe Gaúcho wrote:
> also the @Temporal causes problems:
>
> @XmlElement
> @Column(nullable = true)
> @Temporal(TemporalType.DATE)
> private Date expireDate;
>
> if I remove this @Temporal, jaxb marshall the type without problems..
>
> may I use an adapter or something like that to fix the problem or JAXB
> and JPA annotations are incompatibles ?
>
>
>
> 2009/4/14 Felipe Gaúcho <fgaucho_at_gmail.com>:
>> unfortunately not ... but I mapped the problem symptom :
>>
>> the JPA annotation @GeneratedValue
>> causes problems with JAXB ..
>>
>> If I remove this annotation, everything works... but if I include I
>> have the following exception:
>>
>> java.lang.ClassFormatError: Absent Code attribute in method that is
>> not native or abstract in class file javax/persistence/GenerationType
>> at java.lang.ClassLoader.defineClass1(Native Method)
>> at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
>> ....
>>
>> This is a sample of class where the problem happens:
>>
>> @XmlType(namespace = "http://footprint.dev.java.net/service/entity")
>> @XmlAccessorOrder(XmlAccessOrder.ALPHABETICAL)
>> @XmlAccessorType(XmlAccessType.FIELD)
>> @MappedSuperclass
>> public abstract class AbstractFootprintEntity implements
>> Serializable {
>> @XmlElement
>> @Id
>> @GeneratedValue(strategy = GenerationType.AUTO) // here :(
>> private long id;
>>
>> ......
>> }
>>
>> apparently the annotation GenerationType is not serializable by the
>> JAXB framework....
>>
>> if one of you know a trick or workaround, please ...
>>
>
>
>
> --
>
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