error resource 误差来源
The connection manager can then call this method when the resource adapter indicates a connection error, or even periodically to remove broken connections from the pool.
然后连接管理器在资源适配器指示连接错误时调用这个方法，甚至定期调用该方法，以便从池中排除坏掉的连接。
These tools were typically resource hogs — slow and prone to error.
这些工具是典型的资源贪婪者——缓慢并常出现错误。
The transaction manager needs to be tolerant to different behaviors due to different error codes returned by different resource managers for similar kinds of failures.
事务管理器要能够容忍不同资源管理器在发生类似错误时返回的不同错误代码而导致的不同行为。
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