Catch block, and that you call the close method on your connection inside a finally block.
catch块中，而且在finally块中在连接上调用close方法。
The " Access" block implements all aspects of the physical connection(s) between different CEs.
访问构造块在不同的CE之间实现所有方面的物流连接。
The " Access" block implements all aspects of the physical connection(s) between different CEs.
访问构造块在不同的CE之间实现所有方面的物流连接。
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