[infinispan-issues] [JBoss JIRA] (ISPN-1546) FineGrainedAtomicMap key and value iterators are not threadsafe

[Sanne Grinovero (Created) (JIRA)]

FineGrainedAtomicMap key and value iterators are not threadsafe
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                 Key: ISPN-1546
                 URL: https://issues.jboss.org/browse/ISPN-1546
             Project: Infinispan
          Issue Type: Bug
          Components: Core API, Locking and Concurrency
            Reporter: Sanne Grinovero
            Assignee: Manik Surtani


Invoking #keySet() or #values() might fail, even when using a transaction to isolate threads:
{code}
java.util.ConcurrentModificationException
	at org.infinispan.util.FastCopyHashMap$FasyCopyHashMapIterator.nextEntry(FastCopyHashMap.java:484)
	at org.infinispan.util.FastCopyHashMap$KeyIterator.next(FastCopyHashMap.java:560)
	at java.util.AbstractCollection.addAll(AbstractCollection.java:305)
	at org.infinispan.atomic.FineGrainedAtomicHashMapProxy.keySet(FineGrainedAtomicHashMapProxy.java:104)
	at org.hibernate.ogm.dialect.infinispan.InfinispanAssociationSnapshot.getRowKeys(InfinispanAssociationSnapshot.java:59)
	at org.hibernate.ogm.datastore.spi.Association.getKeys(Association.java:132)
	at org.hibernate.ogm.loader.OgmLoader.getResultSet(OgmLoader.java:420)
	at org.hibernate.ogm.loader.OgmLoader.doQuery(OgmLoader.java:248)
	at org.hibernate.ogm.loader.OgmLoader.doQueryAndInitializeNonLazyCollections(OgmLoader.java:215)
	at org.hibernate.ogm.loader.OgmLoader.loadCollection(OgmLoader.java:185)
	at org.hibernate.ogm.loader.OgmBasicCollectionLoader.initialize(OgmBasicCollectionLoader.java:42)
	at org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:622)
	at org.hibernate.event.internal.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:82)
	at org.hibernate.internal.SessionImpl.initializeCollection(SessionImpl.java:1607)
	at org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:379)
	at org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:112)
	at org.hibernate.collection.internal.PersistentSet.iterator(PersistentSet.java:180)
{code}

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