Well, not quite a cayenne "bug" just a design decision that impacts API users.
I don't *need* to listen to events to why am I forced to set a manager ? Not to mention there's no warning and the 1st error I got sent me on a serialization wild goose chase. That was my whole idea: just use some default if no manager provided. Emilian On 10/4/07, Andrus Adamchik <[EMAIL PROTECTED]> wrote: > I see. Yes, EventManager needs to be provided to the DataDomain. So > this is not a bug in Cayenne, and I am not sure how we can "fix" it. > Injection of EventManager is tied to the lifecycle, so using an > arbitrary EM doesn't seem to be a good solution. Maybe we'll simply > document this behavior via Javadocs.... > > A side note regarding the *default* EventManager, there are plans to > deprecate and avoid using it in Cayenne internally, as the singleton > makes configuration much less flexible. > > Andrus > > On Oct 4, 2007, at 4:09 PM, Emilian Bold wrote: > > > I finally figured out what my bug was (it wasn't CAY-796 actually). > > > > See https://issues.apache.org/cayenne/browse/CAY-871 > > > > Emilian > > > > On 9/17/07, Emilian Bold <[EMAIL PROTECTED]> wrote: > >> Thanks, that's great. I'll wait for the official 2.0.4 as I've > >> found a > >> workaround in my situation (still trying to figure out the exact > >> cause, I think some rich-client is serializing CayenneDataObjects > >> directly instead of client classes). > >> > >> Emilian > >> > >> > >> On 9/15/07, Andrus Adamchik <[EMAIL PROTECTED]> wrote: > >>> Ok, I fixed CAY-796 for 1.2, 2.0, 3.0 branches. To get a fixed > >>> version you can either build the code from Subversion [1,2] or wait > >>> till 2.0.4 comes out. > >>> > >>> Cheers, > >>> Andrus > >>> > >>> [1] http://svn.apache.org/repos/asf/cayenne/main/branches/ > >>> STABLE-2.0/ > >>> [2] http://cayenne.apache.org/legacy-ant-build.html > >>> > >>> > >>> On Sep 12, 2007, at 7:54 PM, Andrus Adamchik wrote: > >>>> Hi there, > >>>> > >>>> Yeah, looks like CAY-796 [1] to me. I could swear we fixed it, but > >>>> looks like we did not. Ok, adding that to a TODO list... > >>>> > >>>> In the meantime try to check the "Use Shared Cache" checkbox in the > >>>> Modeler - this would hopefully take care of the problem (and > >>>> probably improve your performance if you could live with a bit of > >>>> object caching in your app). > >>>> > >>>> Andrus > >>>> > >>>> > >>>> [1] https://issues.apache.org/cayenne/browse/CAY-796 > >>>> > >>>> > >>>> On Sep 12, 2007, at 6:18 PM, Emilian Bold wrote: > >>>> > >>>>> Hy, > >>>>> > >>>>> I keep getting this exception: > >>>>> > >>>>> java.lang.NullPointerException > >>>>> at > >>>>> org.apache.cayenne.access.DataRowStore.sendUpdateNotification > >>>>> (DataRowStore.java:673) > >>>>> at > >>>>> org.apache.cayenne.access.DataRowStore.processSnapshotChanges > >>>>> (DataRowStore.java:538) > >>>>> at > >>>>> org.apache.cayenne.access.DataRowStore.snapshotsUpdatedForObjects > >>>>> (DataRowStore.java:278) > >>>>> at > >>>>> org.apache.cayenne.access.ObjectResolver.objectsFromDataRows > >>>>> (ObjectResolver.java:121) > >>>>> at > >>>>> org.apache.cayenne.access.ObjectResolver.synchronizedObjectsFromDa > >>>>> taR > >>>>> ows(ObjectResolver.java:97) > >>>>> at > >>>>> org.apache.cayenne.access.DataDomainQueryAction.interceptObjectCon > >>>>> ver > >>>>> sion(DataDomainQueryAction.java:319) > >>>>> at org.apache.cayenne.access.DataDomainQueryAction.execute > >>>>> (DataDomainQueryAction.java:116) > >>>>> at org.apache.cayenne.access.DataDomain.onQuery > >>>>> (DataDomain.java:730) > >>>>> at org.apache.cayenne.util.ObjectContextQueryAction.runQuery > >>>>> (ObjectContextQueryAction.java:217) > >>>>> at org.apache.cayenne.access.DataContextQueryAction.execute > >>>>> (DataContextQueryAction.java:54) > >>>>> at org.apache.cayenne.access.DataContext.onQuery > >>>>> (DataContext.java: > >>>>> 1387) > >>>>> at org.apache.cayenne.access.DataContext.performQuery > >>>>> (DataContext.java:1376) > >>>>> ... > >>>>> > >>>>> on Cayenne 2.0.2. > >>>>> > >>>>> This seems to happen always for the same Local EJB, while other > >>>>> Local > >>>>> EJBs that use Cayenne in the same way seem to work. From a > >>>>> previous > >>>>> email, it seems this has something to do with the serialization of > >>>>> the > >>>>> objectStore. > >>>>> > >>>>> What can I do to get rid of this ? > >>>>> > >>>>> Thanks, > >>>>> Emilian Bold > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> Emilian Bold > >>>>> +40 740235562 > >>>>> http://www.emilianbold.ro > >>>>> > >>>>> Java and NetBeans Platform-loving consulting services from > >>>>> Timisoara, Romania. > >>>>> > >>>> > >>>> > >>> > >>> > >> > >> > >> -- > >> Emilian Bold > >> +40 740235562 > >> http://www.emilianbold.ro > >> > >> Java and NetBeans Platform-loving consulting services from > >> Timisoara, Romania. > >> > > > > > > -- > > Emilian Bold > > +40 740235562 > > http://www.emilianbold.ro > > > > Java and NetBeans Platform-loving consulting services from > > Timisoara, Romania. > > > > -- Emilian Bold +40 740235562 http://www.emilianbold.ro Java and NetBeans Platform-loving consulting services from Timisoara, Romania.
