數據庫鏈接池設置問題, This connection has been closed.問題

參考博客: http://www.javashuo.com/article/p-pcuturaq-bk.htmljava https://stackoverflow.com/questions/29620265/postgres-connection-has-been-closed-error-in-spring-bootweb 錯誤堆棧:spring org.springframework.da

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