mybatis-sqlSession "关闭connection"
https://stackoverflow.com/questions/39237850/jdbc-connection-lifecycle-for-connection-pool-hikari-reuseimage.pngI don't know Hikari specifically, but for every connection you take out...
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I don't know Hikari specifically, but for every connection you take out of a
connection pool, you have to return that connection when you are done with it.
Typically this is done using Connection.close() - the pool hands out a wrapper
function where close() doesn't physically close the connection, only returns it.
So your code should look like this:
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