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Re: NPE in storedValueForKey?!?
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Re: NPE in storedValueForKey?!?


  • Subject: Re: NPE in storedValueForKey?!?
  • From: OC <email@hidden>
  • Date: Wed, 21 Jan 2015 15:11:58 +0100

99 % sure -- I am using EOUtilities.createAndInsertInstance to create the EOs and insert them to EC. Of course, there still might be some weird bug somewhere...

Thanks,
OC

On 21. 1. 2015, at 15:04, Hugi Thordarson <email@hidden> 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 <email@hidden> 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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References: 
 >NPE in storedValueForKey?!? (From: OC <email@hidden>)
 >Re: NPE in storedValueForKey?!? (From: Hugi Thordarson <email@hidden>)

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