Re: [eclipselink-users] Class Weaving

[Tom Ware <tom.ware@xxxxxxxxxx>]

Hi Gaurav,

  Can you try to run the static weaver and see if it successfully weaves your 
class.  That will help to isolate whether this is a weaving issue or a 
classloading issue.

http://wiki.eclipse.org/Using_EclipseLink_JPA_Extensions_%28ELUG%29#How_to_Configure_Static_Weaving_for_JPA_Entities

-Tom

Gaurav Malhotra wrote:
> I am also uploading the entity for which weaving is not happening
> http://www.nabble.com/file/p24488214/Relation.java Relation.java 
>
>
> Gaurav Malhotra wrote:
> > Hi,
> >
> >   For some of my jpa entities the class weaving is not happening. There is
> > no exception in the log.
> >
> >   I am using spring
> > org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver.
> >
> >   Can somebody give me pointers how to debug this issue???
> >
> >    I can also see that in TransformationFactory.buildToplinkWeaver the
> > classDetailMap contain the entry for the entity 'Relation' 
> > com/oracle/healthinsurance/orm/entities/Relation=org.eclipse.persistence.internal.weaving.ClassDetails@18a84ed 
> >
> > Also in spring InstrumentationLoadTimeWeaver, I am able to see in the
> > spring's InstrumentationLoadTimeWeaver,PersistenceWeaver (containing below
> > data) is added using
> > InstrumentationLoadTimeWeaver.addTransformer(ClassFileTransformer
> > transformer) 
> >
> > com/oracle/healthinsurance/orm/entities/Relation=org.eclipse.persistence.internal.weaving.ClassDetails@2cc04e 
> >
> > More intrestingly in the 
> > org.springframework.orm.jpa.persistenceunit.ClassFileTransformerAdapter.transform
> > method, I can again see in its classTransformer 
> > com/oracle/healthinsurance/orm/entities/Relation=org.eclipse.persistence.internal.weaving.ClassDetails@2cc04e 
> >
> > In ClassFileTransformerAdapter.transform while debugging I cannot find the
> > className I looking i.e. Relation. Hence I am assuming weaving for the
> > Relation entity is not happening.  (no logging that class has been weaved)
> >   
> > No exception... I think weaving for the Relation entity is also not
> > happening 
> >
> > I also enabled the eclipse link finest logging and found the following
> > logging for the entity Relation
> > [EL Finer]: 2009-07-14
> > 22:48:07.14--ServerSession(18812899)--Thread(Thread[main,5,main])--Class
> > [com.oracle.healthinsurance.orm.entities.Relation] registered to be
> > processed by weaver.
> >
> > But not logging stating
> >
> > [EL Finest]: 2009-07-14
> > 22:50:26.859--ServerSession(18812899)--Thread(Thread[main,5,main])--Weaved
> > persistence (PersistenceEntity)
> > [com/oracle/healthinsurance/orm/entities/Relation].
> >
> > + change tracking + FetchGroupTracker
> >
> > Why????
> >
> > I am able to see indirectionlist which fetch the relation entity.
> >
> > Gaurav Malhotra