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<p style="margin: 10px 0 0 0">Detected that the issue is within the following line of code:</p>
<p style="margin: 10px 0 0 0">/org/hibernate/event/internal/DefaultMergeEventListener.java</p>
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">protected</span> void entityIsTransient(MergeEvent event, Map copyCache) {
LOG.trace( <span class="code-quote" style="color: #009100">"Merging <span class="code-keyword" style="color: #000091; color: #009100">transient</span> instance"</span> );
<span class="code-keyword" style="color: #000091">final</span> <span class="code-object" style="color: #910091">Object</span> entity = event.getEntity();
<span class="code-keyword" style="color: #000091">final</span> EventSource source = event.getSession();
<span class="code-keyword" style="color: #000091">final</span> <span class="code-object" style="color: #910091">String</span> entityName = event.getEntityName();
<span class="code-keyword" style="color: #000091">final</span> EntityPersister persister = source.getEntityPersister( entityName, entity );
<span class="code-keyword" style="color: #000091">final</span> Serializable id = persister.hasIdentifierProperty() ?
persister.getIdentifier( entity, source ) :
<span class="code-keyword" style="color: #000091">null</span>;
<span class="code-keyword" style="color: #000091">if</span> ( copyCache.containsKey( entity ) ) {
persister.setIdentifier( copyCache.get( entity ), id, source );
}
<span class="code-keyword" style="color: #000091">else</span> {
( (EventCache) copyCache ).put( entity, source.instantiate( persister, id ), <span class="code-keyword" style="color: #000091">true</span> ); <span class="code-comment" style="color: #808080">//before cascade!
</span> }
*<span class="code-comment" style="color: #808080">//This copy cache returns an instance with its entity mapping missing
</span> <span class="code-comment" style="color: #808080">//The copy is persisted, before the entities ar copied back again.*
</span> <span class="code-keyword" style="color: #000091">final</span> <span class="code-object" style="color: #910091">Object</span> copy = copyCache.get( entity );
<span class="code-comment" style="color: #808080">// cascade first, so that all unsaved objects get their
</span> <span class="code-comment" style="color: #808080">// copy created before we actually copy
</span> <span class="code-comment" style="color: #808080">//cascadeOnMerge(event, persister, entity, copyCache, Cascades.CASCADE_BEFORE_MERGE);
</span> <span class="code-keyword" style="color: #000091">super</span>.cascadeBeforeSave( source, persister, entity, copyCache );
copyValues( persister, entity, copy, source, copyCache, ForeignKeyDirection.FOREIGN_KEY_FROM_PARENT );
saveTransientEntity( copy, entityName, event.getRequestedId(), source, copyCache );
<span class="code-comment" style="color: #808080">// cascade first, so that all unsaved objects get their
</span> <span class="code-comment" style="color: #808080">// copy created before we actually copy
</span> <span class="code-keyword" style="color: #000091">super</span>.cascadeAfterSave( source, persister, entity, copyCache );
copyValues( persister, entity, copy, source, copyCache, ForeignKeyDirection.FOREIGN_KEY_TO_PARENT );
event.setResult( copy );
}
</pre>
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