Re: NullPointerException when I commit

From: Joshua Pyle (joshua.t.pyl..mail.com)
Date: Fri Jan 14 2005 - 13:46:42 EST

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    Sorry for the post I can not recreate the error now. I was running
    this bit of code in Tomcat locally and I think something got outa
    whack. I have just done a restart of Tomcat and the issue does not
    come up any more. 

    -- 
Joshua T. Pyle
Go has always existed.

    On Fri, 14 Jan 2005 13:39:24 -0500, Mike Kienenberger
<mkienen..laska.net> wrote:
> What version of Cayenne are you using?
> 
> Are you doing anything else in this context besides deleting objects?
> (inserting/modifying)
> If not, what is the output of "toDelete Before" for each object?
> 
> It's unclear to me how you could end up with a DataObject in a context
> without a valid ObjectID.
> 
>            ObjectId id = object.getObjectId();
> 
>            if (id.getReplacementId() != null) {
> 
> 
> -Mike
> 
> 
> Joshua Pyle <joshua.t.pyl..mail.com> wrote:
> > This NullPointer Exception is happening consitently  Here is the code
> > segment causing this....
> >
> >         //Delete all of the permissions
> >         int size = currentPermissions.size();
> >         for (int i = 0; i < size; i++) {
> >             DataObject toDelete = (DataObject) currentPermissions.get(i);
> >             System.out.println( "toDelete Before - " + toDelete );
> >             dbContext.deleteObject(toDelete);
> >             System.out.println( "toDelete After - " + toDelete );
> >         }
> >
> >         try{
> >             dbContext.commitChanges();
> >         }catch( Exception e ){
> >             dbContext.rollbackChanges();
> >             e.printStackTrace( System.out );
> >         }
> >
> > This is the exception line...
> >
> >       at
> org.objectstyle.cayenne.access.ObjectStore.objectsCommitted(ObjectStore.java:478)
> >       at
> org.objectstyle.cayenne.access.ContextCommit.commit(ContextCommit.java:215)
> >       at
> org.objectstyle.cayenne.access.DataContext.commitChanges(DataContext.java:1266)
> >       at
> org.objectstyle.cayenne.access.DataContext.commitChanges(DataContext.java:1236)
> >       at
> com.ray.rms.it.esolutions.mla.view.Admin.User.ProcEditUser.buildPermissionsFromPrograms(ProcEditUser.java:266)
> >
> > I'm assuming either that I'm doing this wrong or there is a bug at
> > ObjectStore.java:478
> >
> > *            if (id.getReplacementId() != null) {
> >                 if (modifiedIds == null) {
> >                     modifiedIds = new ArrayList();
> >                 }
> >
> >                 modifiedIds.add(id);
> >
> >                 // postpone processing of objects that require an id
> change
> >                 continue;
> >             }
> 
>

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