红帽全球峰会第 4 章 XA 管理
JBoss Transaction 创建的每个 XA XID 都需要一个在内部编码的唯一节点标识符。JBoss Transaction 服务只能恢复事务和映射指定节点标识符的状态，这个标识符是通过
com.arjuna.ats.arjuna.xa.nodeIdentifier 属性传入 JBoss Transaction 服务的。这个值在所有的 JBoss Transaction 服务实例里必须是唯一的。如果没有设置，JBoss Transaction 服务将生成一个并通过日志架构报告这个值。
4.1. XA 恢复
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在运行 XA 恢复时，JBoss Transaction 服务需被告知要恢复哪种类型的 XID。使用的节点标识符应该通过以
com.arjuna.ats.jta.xaRecoveryNode 名称开始的属性提供给 JBoss Transaction 服务。你可以传入多个值。* 值将强制 JBoss Transaction 服务恢复（也可能回滚）所有的事务，而不顾其节点标识符。使用该选项务必及其小心。
你可以在『故障和恢复』章节找到关于恢复的更多信息。
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