Online to see this exception stack, behind will display the corresponding jar package, want to know how the output of this kind of information is
At org) springframework). The JDBC datasource. DataSourceUtils. DoCloseConnection (DataSourceUtils. Java: 354) [spring - JDBC - 5.1.2. The jar: 5.1.2. RELEASE]
At org) springframework). The JDBC datasource. DataSourceUtils. DoReleaseConnection (DataSourceUtils. Java: 341) [spring - JDBC - 5.1.2. The jar: 5.1.2. RELEASE]
At org) springframework). The JDBC datasource. DataSourceUtils. ReleaseConnection (DataSourceUtils. Java: 307) [spring - JDBC - 5.1.2. The jar: 5.1.2. RELEASE]
The at org. Mybatis. Spring. Transaction. SpringManagedTransaction. Close (SpringManagedTransaction. Java: 127) [mybatis - spring - 1.3.2. Jar: 1.3.2]