Bryan, I logged it in Jira. Will investigate:
http://objectstyle.org/jira/browse/CAY-499
Andrus
On Apr 11, 2006, at 4:07 AM, Bryan Lewis wrote:
> I put the 1.2B1 jar on our servers over the weekend and got one little
> surprise today... an exception when a prefetch is specified on a
> caching
> query. Here's some code that reproduces it, then the stack trace.
>
> public static List fetchBankruptciesForPastYear(DataContext dc)
> {
> // Omitting the expression details...
> SelectQuery query = new SelectQuery("BKFiler", exp);
>
> query.setCachePolicy(QueryMetadata.SHARED_CACHE);
> String queryName = "BCI";
> query.setName(queryName);
> query.setRefreshingObjects(false);
>
> // Omitting the orderings details...
> query.addOrderings(orderings);
>
> // This line works okay for the first fetch, but causes an
> exception
> // on subsequent (non-refreshing) fetches. Removing this line
> avoids
> // the exception.
> query.addPrefetch("company");
>
> return dc.performQuery(query);
> }
>
> java.lang.NullPointerException
> org.objectstyle.cayenne.access.ObjectTreeResolver
> $TreeBuilder.addNode(ObjectTreeResolver.java:218)
> org.objectstyle.cayenne.access.ObjectTreeResolver
> $TreeBuilder.startDisjointPrefetch(ObjectTreeResolver.java:178)
> org.objectstyle.cayenne.access.ObjectTreeResolver
> $TreeBuilder.startUnknownPrefetch(ObjectTreeResolver.java:201)
> org.objectstyle.cayenne.query.PrefetchTreeNode.traverse
> (PrefetchTreeNode.java:209)
> org.objectstyle.cayenne.query.PrefetchTreeNode.traverse
> (PrefetchTreeNode.java:216)
> org.objectstyle.cayenne.access.ObjectTreeResolver
> $TreeBuilder.buildTree(ObjectTreeResolver.java:136)
> org.objectstyle.cayenne.access.ObjectTreeResolver.resolveObjectTree
> (ObjectTreeResolver.java:100)
> org.objectstyle.cayenne.access.DataDomainQueryAction.interceptObjectCo
> nversion(DataDomainQueryAction.java:372)
> org.objectstyle.cayenne.access.DataDomainQueryAction.execute
> (DataDomainQueryAction.java:151)
> org.objectstyle.cayenne.access.DataDomain.onQuery(DataDomain.java:715)
> org.objectstyle.cayenne.util.ObjectContextQueryAction.runQuery
> (ObjectContextQueryAction.java:249)
> org.objectstyle.cayenne.access.DataContextQueryAction.execute
> (DataContextQueryAction.java:90)
> org.objectstyle.cayenne.access.DataContext.onQuery(DataContext.java:
> 1320)
> org.objectstyle.cayenne.access.DataContext.performQuery
> (DataContext.java:1309)
> model.BKFiler.fetchBankruptciesForPastYear(BKFiler.java:68)
> model.Model.fetchBankruptciesForPastYear(Model.java:511)
>
>
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