A @OneToMany relationship with a Map loads the data only on the first call when specifying FetchType.LAZY;

@OneToMany(fetch = FetchType.LAZY, cascade =

Unknown macro: {CascadeType.PERSIST, CascadeType.MERGE}

, mappedBy = "mStockLocation")
@MapKeyJoinColumn(name="EXTERNALARTICLE_ID")
private Map<ExternalArticle, ExternalArticleStockLocation> mExternalArticleStockLocationMap = new LinkedHashMap();

The first call for the map returns the Map with data;

public Map<ExternalArticle, ExternalArticleStockLocation> getExternalArticleStockLocationMap()

Unknown macro: { return mExternalArticleStockLocationMap; }

The second call returns an empty HashMap. The problem 'disappears' when i switch to FetchType.EAGER or when i save the HashMap at the call;

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public Map<ExternalArticle, ExternalArticleStockLocation> getExternalArticleStockLocationMap()

Unknown macro: { // Bug fix! setExternalArticleStockLocationMap(mExternalArticleStockLocationMap); return mExternalArticleStockLocationMap; }

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public void setExternalArticleStockLocationMap(Map<ExternalArticle, ExternalArticleStockLocation> pExternalArticleStockLocationMap)

Unknown macro: { mExternalArticleStockLocationMap = pExternalArticleStockLocationMap; }