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https://issues.apache.org/cayenne/browse/CAY-1183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13261#action_13261
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Marcin Skladaniec commented on CAY-1183:
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thank you Andrey for resolving this quickly, I'll give it a go in the next 15
minutes.
> commitToParent() makes object persistence state committed, produces exception
> when using object in parent context (ROP)
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: CAY-1183
> URL: https://issues.apache.org/cayenne/browse/CAY-1183
> Project: Cayenne
> Issue Type: Bug
> Components: Cayenne Core Library
> Affects Versions: 3.0M5
> Environment: ROP (maybe also 2t cayenne, I have not tried)
> Reporter: Marcin Skladaniec
> Assignee: Andrey Razumovsky
> Priority: Critical
> Fix For: 3.0M6
>
>
> This is a bit of pseudocode showing the problem
> Artist artist = parentContext.perfrormQuery(new
> SelectQuery(Artist.class)).get(0);
> CayenneContext childContext = parentContext.createChildContext();
> Painting painting = childContext.newObject(Painting.class);
> painting.setArtist(artist);
> painting.setBlah...
> childContext.commitToParent();
> for(Painting p : artist.getPaintings())
> logger.debug("painting persistence state :
> "+PersistenceState.persistenceStateName(p.getPersistenceState())); //all
> objects are in state COMMITTED
> this causes no problems so far, but if one now decides to
> p.getSomeRelatiohship();
> an exception will be raised, because the relationship has not been faulted
> yet:
> [java] Caused by: java.lang.Exception: [v.3.0-SNAPSHOT ${project.build.date}
> ${project.build.time}] Can't build a query for relationship
> 'someRelationship' for temporary id: <ObjectId:Painting,
> TEMP:00000160F3600029>
> [java] at
> org.apache.cayenne.remote.service.BaseRemoteService.processMessage(BaseRemoteService.java:160)
> ... 25 more
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