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ConnectionIsClosedException: No operations allowed after connection closed_java.sql.sqlnontransientconnectionexception: no op-CSDN博客
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java - com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: - Stack Overflow
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Exception: java.sql.SQLException: DSRA9350E: Operation Connection.rollback is not allowed during a global transaction during accessing a legacy Workflow Systems and during trying to transfer a workflowthgat
Operation not allowed after ResultSet closed occasionally happens in ShardingSphere-Proxy MySQL · Issue #16294 · apache/shardingsphere · GitHub
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eclipse - The import java.sql.DriverManager cannot be resolved - Stack Overflow
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