Analysis and Solution of Got error 28 from storage engine Problem in MySQL with java.sql.SQL Exception

1 Discovery of problems The MySQL database, which has been good all the time, suddenly reported an error today. It was discovered by users when they queried data (web application). Take a quick look at the application log: Caused by: java.sql.SQLException: Got error 28 from storage engine at com.mysql.jdbc.SQLError.createSQLException(S ...

Posted by spamyboy on Tue, 25 Dec 2018 14:21:06 -0800

No operations allowed after connection close error occurred in Spring Book environment

Spring Cloud + Spring MVC + Spring Data JPA + MySql + Postgresql Among them, the project is equipped with multiple data sources, and there is no problem in the early development test, but when the project is tested on the server, the next morning there is an abnormal database connection. After checking the log, the following ex ...

Posted by successor on Thu, 20 Dec 2018 09:15:05 -0800