I am pretty sure that Hugi is right here.


On 2015-01-21, 6:04 AM, "Hugi Thordarson" wrote:

Are you sure your object is in an editing context?

Cheers,
- hugi

// Hugi Thordarson
// http://www.loftfar.is/
// s. 895-6688



On 21. jan. 2015, at 14:01, OC <o...@ocs.cz<mailto:o...@ocs.cz>> wrote:

Hello there,

how on earth can this happen?!?

===
Caused by: java.lang.NullPointerException
at 
com.webobjects.eocontrol.EOCustomObject.willReadRelationship(EOCustomObject.java:1270)
at 
er.extensions.eof.ERXGenericRecord.willReadRelationship(ERXGenericRecord.java:380)
at 
com.webobjects.eocontrol._EOMutableKnownKeyDictionary$Initializer$_LazyGenericRecordBinding.valueInObject(_EOMutableKnownKeyDictionary.java:614)
at 
er.extensions.eof.ERXGenericRecord$TouchingBinding.valueInObject(ERXGenericRecord.java:209)
at 
com.webobjects.eocontrol.EOCustomObject.storedValueForKey(EOCustomObject.java:1634)
at 
com.webobjects.eocontrol.EOCustomObject$storedValueForKey$0.callCurrent(Unknown 
Source)
at 
org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:49)
at 
com.webobjects.eocontrol.EOCustomObject$storedValueForKey$0.callCurrent(Unknown 
Source)
at model._DBRecord.auction(_DBRecord.groovy:61)
===

The _DBRecord thing is one of the pretty old legacy parts, standard EO code as 
generated in an Eclipse project by its eogenerator, as it used to work a couple 
of years ago when I used Eclipse the last time:

===
 public static final ERXKey<model.DBAuction> AUCTION = new 
ERXKey<model.DBAuction>("auction");
...
 public static final String AUCTION_KEY = AUCTION.key();
...
 public model.DBAuction auction() {
   (model.DBAuction)storedValueForKey(_DBRecord.AUCTION_KEY) // <== line 61
 }
===

The relationship should be nonempty, but even if it was empty, it should simply 
return null from storedValueForKey, and not NPE?!? :-O

Thanks for any insight,
OC


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