Odd NPE from deep inside EOF
Odd NPE from deep inside EOF
- Subject: Odd NPE from deep inside EOF
- From: Mark Wardle <email@hidden>
- Date: Tue, 31 Mar 2015 15:01:09 +0100
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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