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Re: followup: prepareForSaveWithCoordinator: Cannot save the object with globalID / row does exist
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Re: followup: prepareForSaveWithCoordinator: Cannot save the object with globalID / row does exist

  • Subject: Re: followup: prepareForSaveWithCoordinator: Cannot save the object with globalID / row does exist
  • From: Chuck Hill <email@hidden>
  • Date: Thu, 05 Feb 2015 18:26:22 +0000
  • Thread-topic: followup: prepareForSaveWithCoordinator: Cannot save the object with globalID / row does exist
I can think of a few off-the-wall reasons.

  1. The EOF internal state somehow got scrambled.  Good luck with that one!
  2. Some other process (non-EOF) is connected to the database and had that row locked in a way that prevented it from being read
  3. Some code changed the EODatabase snapshot which resulted in the WHERE clause being wrong and then the code changed it back
  4. Ghosts in the machine
Your EODatabaseContext’s delegate method databaseContextFailedToFetchObject method should get called when this happens.

Chuck


On 2015-02-05, 3:22 AM, "OC" wrote:

Sorry I've sent too soon; I wanted to add...

On 5. 2. 2015, at 12:19, OC <email@hidden> wrote:
well I must have some pretty weird bug somewhere. Does anybody have any idea what dumb fault of mine might cause
===
Caused by: com.webobjects.eoaccess.EOObjectNotAvailableException: prepareForSaveWithCoordinator: Cannot save the object with globalID _EOIntegralKeyGlobalID[DBDFPrototype (java.lang.Integer)1000022]. The row referenced by this globalID was missing from the database at the time a fetch was attempted. Either it was removed from the database after this application got a pointer to it, or there is a referential integrity problem with your database. To be notified when fetches fail, implement a delegate on EODatabaseContext that responds to databaseContextFailedToFetchObject().
at com.webobjects.eoaccess.EODatabaseContext.prepareForSaveWithCoordinator(EODatabaseContext.java:5657)
at com.webobjects.eocontrol.EOObjectStoreCoordinator.saveChangesInEditingContext(EOObjectStoreCoordinator.java:370)
at com.webobjects.eocontrol.EOEditingContext.saveChanges(EOEditingContext.java:3192)
at er.extensions.eof.ERXEC._saveChanges(ERXEC.java:1179)
at er.extensions.eof.ERXEC.saveChanges(ERXEC.java:1102)
at er.extensions.eof.ERXEC$saveChanges$8.call(Unknown Source)
at cz.ocs.model.OCSEnterpriseObject._saveTolerantlyChangesInEC(OCSEnterpriseObject.groovy:520) // ec.saveChanges()
===
given the appropriate row definitely does exist in the database? (I have checked and re-checked; it is there, and it has still its original creation timestamp two-odd years old.)

... that I have bumped into similar problem before, and we have suspected it was caused by superfluous (and probably harmful) object locking. No locks in there anymore, I've removed them:

http://prod.lists.apple.com/archives/webobjects-dev/2015/Jan/msg00161.html

Thanks,
OC


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 >prepareForSaveWithCoordinator: Cannot save the object with globalID / row does exist (From: OC <email@hidden>)
 >followup: prepareForSaveWithCoordinator: Cannot save the object with globalID / row does exist (From: OC <email@hidden>)

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