出错详情:
2018-07-25 02:49:10,295 [DESKTOP-1LO98I2-20881] [] [] [pool-3-thread-423] ERROR com.alibaba.druid.util.JdbcUtils - close connection error^M
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.^M
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)^M
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)^M
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)^M
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
出错详情: 2018-07-25 02:49:10,295 [DESKTOP-1LO98I2-20881] [] [] [pool-3-thread-423] ERROR com.alibaba.druid.util.JdbcUtils - close connection error^M com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.^M at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)^M at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)^M at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)^M at java.lang.reflect.Constructor.newInstance(Constructor.java:423)