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Release Notes
Release Note Text:

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Inactivating a JBoss Cache region locked the entire subtree of the region's parent and never unlocked it. Consequently, the cache became unusable because of the locks. Inactivating a region now only locks the parent, not the entire subtree of the parent. As a result, the cache is no longer locked after inactivation of a region.

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Inactivating a JBoss Cache region locked the entire subtree of the region's parent and never unlocked it. Consequently, the cache became unusable because of the locks. Inactivating a region now only locks the parent, not the entire subtree of the parent. As a result, the cache is no longer locked after inactivation of a region.
Release Note Status:
Documented as Resolved Issue
Docs QE Status:
NEW

A combination of https://issues.jboss.org/browse/JBCACHE-1608 and https://issues.jboss.org/browse/JBCACHE-1609
causes a JBoss Cache Region.deactivate call to lock the region's parent and all its children, and never unlock the children.

If the region is a child of the root, this can lock the entire cache.

This only affects pessimistic and optimistic locking. It does not affect MVCC.