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What is the meaning of an error when establishing a database connection

2023-08-22 08:16:39 Classification: Operation and maintenance technology Reading (1149)

An error occurred while establishing a database connection, which means that a problem was encountered while trying to connect to the database. This usually indicates that the database server is unavailable, network connection problem, user name or password error, database name error, etc. The specific error information can be included in the error message, and the cause and solution of the error can be determined according to the information prompts.

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