使用 A_OPEN 建立连接的同时，执行事务的进程检测到一个错误。
The process executing the transaction detects an error while establishing a connection using XA_OPEN.
分析阶段被视作是执行优化和检测某种错误的机会。
The analysis phase was viewed as an opportunity to perform optimization and to detect certain kinds of errors.
以前，应用程序只有到执行时才会检测到此错误，并产生错误消息和一个存储转储。
Previously, the application would not have detected this error until execution, producing error messages and a storage dump.
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