openjpa-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Craig L Russell <Craig.Russ...@Sun.COM>
Subject Re: Issues using same domain classes in JPA and CXF/JAXB
Date Mon, 14 Dec 2009 01:32:06 GMT
Hi,

Just one other thing. Could you post your Category.java as well? I'm  
thinking that the problem might be in the Category class...

Craig

On Dec 13, 2009, at 5:11 PM, KARR, DAVID (ATTCINW) wrote:

>> -----Original Message-----
>> From: Craig.Russell@Sun.COM [mailto:Craig.Russell@Sun.COM]
>> Sent: Sunday, December 13, 2009 4:26 PM
>> To: users@openjpa.apache.org
>> Subject: Re: Issues using same domain classes in JPA and CXF/JAXB
>>
>> Hi Rick,
>>
>> I don't know about three kinds of enhancement. Build time runs before
>> the classes are put into the jars for runtime. Runtime enhancement
>> enhances classes during loading. Running without enhancement is not
>> runtime enhancement.
>
> Ok, so I'm running without enhancement at this point.
>
>> On Dec 13, 2009, at 1:56 PM, Rick Curtis wrote:
>>
>>> I'm going to suggest you spend a few more cycles on getting
>>> buildtime enhancement working as runtime enhanced classes has a
>>> number of known issues... Enough issues that we have disabled this
>>> support as the default behavior in trunk. HTH
>>
>> I don't believe this is true. We disabled running *without
>> enhancement* but runtime (load time) enhancement should work just as
>> well as build time enhancement.
>
> My attempt to set up load-time enhancement didn't work, due to  
> struggles
> with classloaders and other problems.  I'm hoping I can somehow get
> build-time enhancement working.  Hopefully the JIRA I filed will  
> make it
> obvious either what I've done wrong, or what's wrong with the  
> enhancer.
>
>>> On Dec 13, 2009, at 3:53 PM, "KARR, DAVID (ATTCINW)"
>>> <dk068x@att.com> wrote:
>>>
>>>>> -----Original Message-----
>>>>> From: Rick Curtis [mailto:curtisr7@gmail.com]
>>>>> Sent: Sunday, December 13, 2009 10:50 AM
>>>>> To: users@openjpa.apache.org
>>>>> Subject: Re: Issues using same domain classes in JPA and CXF/JAXB
>>>>>
>>>>> Sorry I haven't followed this chain of emails, but what type of
>>>>> enhancement are you using?
>>>>
>>>> Well, presently I believe I'm just using "run-time" enhancement.  I
>>>> had
>>>> troubles with both "load-time" (javaagent) and "build-time"
>>>> enhancement
>>>> (enhancer task).  I'll eventually try to submit a ticket,
>>>> particularly
>>>> for the problems I had with build-time enhancement.
>>>>
>>>>> On Dec 13, 2009, at 12:04 PM, "KARR, DAVID (ATTCINW)"
>> <dk068x@att.com
>>>>>>
>>>>> wrote:
>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: Craig.Russell@Sun.COM [mailto:Craig.Russell@Sun.COM]
>>>>>>> Sent: Saturday, December 12, 2009 6:18 PM
>>>>>>> To: users@openjpa.apache.org
>>>>>>> Subject: Re: Issues using same domain classes in JPA and
> CXF/JAXB
>>>>>>>
>>>>>>> Hi KARR, DAVID,
>>>>>>>
>>>>>>> I'd say that not copying annotations over to enhanced classes
is
>> a
>>>>>>> deficiency, if not a bug in OpenJPA.
>>>>>>>
>>>>>>> OpenJPA is not the only consumer of runtime annotations.
>>>>>>>
>>>>>>> Can you please file a JIRA for this issue?
>>>>>>
>>>>>> Done: <https://issues.apache.org/jira/browse/OPENJPA-1428>.
>>>>>>
>>>>>> In the meantime, I have a workaround using a generic method that
>>>>>> basically creates an instance of my class, then uses
>>>>>> "BeanUtils.copyProperties()" to copy over everything.  That
> object
>>>>>> then
>>>>>> serializes fine, because its class has the annotations.
>>>>>>
>>>>>>> On Dec 12, 2009, at 2:19 PM, KARR, DAVID (ATTCINW) wrote:
>>>>>>>
>>>>>>>> I'm building an app that retrieves data with OpenJPA and
tries
>> to
>>>>>>>> serialize it in xml or json with CXF/JAXB.  I'm using
>> annotations
>>>>> on
>>>>>>>> the
>>>>>>>> domain class to specify both the logical JPA (not physical)
and
>>>>> JAXB
>>>>>>>> behavior (with the physical JPA in XML config).  In theory
I
>>>>>>>> would
>>>>>>>> think
>>>>>>>> this should work, but in my first test I found that CXF didn't
>>>>>>>> serialize
>>>>>>>> the object that I retrieved from JPA.
>>>>>>>>
>>>>>>>> After some thinking, I thought to write some debug code that
>>>> prints
>>>>>>>> out
>>>>>>>> the runtime annotations on the class, both for the class
of the
>>>>>>>> returned
>>>>>>>> instance, and the class that it's declared as.  What I found
>>>>>>>> (because I
>>>>>>>> realized I should have expected this) is that the runtime
class
>>>>>>> didn't
>>>>>>>> have the required annotations that the declared class did.
> When
>>>>> JPA
>>>>>>>> enhanced the classes, it didn't copy the annotations.
>>>>>>>>
>>>>>>>> My app currently doesn't use build-time enhancement or the
>>>>>>>> javaagent.  I
>>>>>>>> can't remember exactly what OpenJPA does in that situation.
 I
>>>>> think
>>>>>>>> it's still enhancing the class, but on demand.
>>>>>>>>
>>>>>>>> Is this issue with non-copied annotations really an issue,
or
>>>>> should
>>>>>>> I
>>>>>>>> look elsewhere for why CXF isn't serializing my data (I'm
>>>>>>>> asking a
>>>>>>>> similar question on the CXF list)?
>>>>>>>
>>>>>>> Craig L Russell
>>>>>>> Architect, Sun Java Enterprise System http://db.apache.org/jdo
>>>>>>> 408 276-5638 mailto:Craig.Russell@sun.com
>>>>>>> P.S. A good JDO? O, Gasp!
>>>>>>
>>
>> Craig L Russell
>> Architect, Sun Java Enterprise System http://db.apache.org/jdo
>> 408 276-5638 mailto:Craig.Russell@sun.com
>> P.S. A good JDO? O, Gasp!
>

Craig L Russell
Architect, Sun Java Enterprise System http://db.apache.org/jdo
408 276-5638 mailto:Craig.Russell@sun.com
P.S. A good JDO? O, Gasp!


Mime
View raw message