Re: Odd NPE from deep inside EOF
Re: Odd NPE from deep inside EOF
- Subject: Re: Odd NPE from deep inside EOF
- From: Ramsey Gurley <email@hidden>
- Date: Tue, 31 Mar 2015 09:31:15 -0700
This is a prime example of why I hate stack trace cleanup.
#If you have this in your project properties, you've already failed
er.extensions.stackTrace.cleanup=true
It looks like null is being passed into the _foreignKeyForSourceRow() method. All you’ll find on line 634 of EOOSC is: source.objectsForSourceGlobalID(gid, relationshipName, editingContext); No dictionary argument to be null there.
Since 4 stack elements have been skipped, and I can’t open call hierarchy on a decompiled class, I can't look for the source of your issue.
On Mar 31, 2015, at 7:01 AM, Mark Wardle <email@hidden> wrote:
> Occasionally I get the below exception from deep within EOF. It usually occurs when there has been a recent editing context save changes and then I go back to a different summary page which might use that information.
>
> Writing on the off-chance that this is a classic example of breaking one of the EOF commandments and someone can tell me what I’m doing wrong.
>
> Thanks
>
> Mark
>
> NullPointerException
> at com.webobjects.eocontrol._EOMutableKnownKeyDictionary.<init>(_EOMutableKnow
> nKeyDictionary.java:106)
> at com.webobjects.eoaccess.EORelationship._foreignKeyForSourceRow(EORelationsh
> ip.java:1148)
> ... skipped 4 stack elements
> at com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsForSourceGlobalID(
> EOObjectStoreCoordinator.java:634)
> at com.webobjects.eocontrol.EOEditingContext.objectsForSourceGlobalID(EOEditin
> gContext.java:3923)
> at er.extensions.eof.ERXEC.objectsForSourceGlobalID(ERXEC.java:1268)
> ... skipped 1 stack elements
> at com.webobjects.eoaccess.EOAccessArrayFaultHandler.completeInitializationOfO
> bject(EOAccessArrayFaultHandler.java:77)
> at com.webobjects.eocontrol._EOCheapCopyMutableArray.willRead(_EOCheapCopyMuta
> bleArray.java:39)
> at com.webobjects.eocontrol._EOCheapCopyMutableArray.count(_EOCheapCopyMutable
> Array.java:99)
> at com.webobjects.eocontrol.EOQualifier.filteredArrayWithQualifier(EOQualifier
> .java:687)
> at com.eldrix.rsdb.model._Patient.encounters(_Patient.java:1361)
> at com.eldrix.rsdb.model.Patient.activeEncounters(Patient.java:482)
> at com.eldrix.rsdb.model.Patient.activeEncounters(Patient.java:472)
> at com.eldrix.rsdb.model.Patient.formsOfClass(Patient.java:653)
> at com.eldrix.news.components.patients.PatientMedication.prescriptions(Patient
> Medication.java:47)
> ... skipped 13 stack elements
> at com.webobjects.directtoweb.D2WList.dataSource(D2WList.java:75)
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