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https://issues.apache.org/jira/browse/OPENJPA-1205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12848313#action_12848313
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Donald Woods commented on OPENJPA-1205:
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Does the fix for OPENJPA-1232 in 2.0.0-M3 or later resolve this issue?
> Cannot retrieve Map<PersistenceCapable, PersistenceCapable> fields when
> DataCache is on
> ---------------------------------------------------------------------------------------
>
> Key: OPENJPA-1205
> URL: https://issues.apache.org/jira/browse/OPENJPA-1205
> Project: OpenJPA
> Issue Type: Bug
> Components: datacache
> Affects Versions: 1.2.1
> Reporter: Simon Droscher
> Assignee: Donald Woods
> Attachments: EntityToEntityMapFix.patch
>
>
> Consider the following mapping, which uses a Map of a PC class to another PC
> class:
> @OneToMany(targetEntity = CatalogProductPriceImpl.class, cascade = {
> CascadeType.ALL })
> @MapKey(name = "catalog")
> public Map<Catalog, CatalogPrice> getCatalogPrices() {
> return catalogPrices;
> }
> With the DataCache on, when a product is retrieved for the first time, this
> map will be correct. However, the next time it is retrieved (i.e. from the
> cache), what is returned is a Map<LongId, CatalogPrice> not the expected
> Map<Catalog, CatalogPrice>.
> The attached patch resolves this issue.
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