Neo4j 2.2.8 发布，更新内容如下： Fixes #6075 – internal transaction pools would incorrectly hold on to the defunct lock manager from the previous epoch after a master switch, which would then cause arbitrary future transactions to fail with a MasterClient214 could not connect ComException. Fixes #6022 – a bug with legacy index transaction state, that could lead to missing index entries, when a transaction involve both a node legacy index and a relationship legacy index, that both have the same name, and one of the indexes is dropped or relationships are removed from the relationship legacy index. Fixes #5988 – a performance issue where locks were taken for read-only queries when reading properties with a unique constraint. This was a regression for the RULE planner, and always a performance issue for the COST planner Several Cypher fixes: Equality now treats chars as strings, NoSuchIndex is now a DatabaseError, ..and more.. 更多内容请看：neo4j-2-2-8 Neo4j 2.2.8 发布，面向网络的数据库下载地址
