偶尔出现communications link failure during rollback().

从1.1.3升级到1.1.6后 大概每10几分钟就会出现一次异常

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_131] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_131] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_131] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_131] at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.Util.getInstance(Util.java:408) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:897) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:886) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:4602) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:4233) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.mysql.jdbc.ConnectionImpl.close(ConnectionImpl.java:1531) ~[mysql-connector-java-5.1.40.jar!/:5.1.40] at com.alibaba.druid.filter.FilterChainImpl.connection_close(FilterChainImpl.java:175) ~[druid-1.1.6.jar!/:1.1.6] at com.alibaba.druid.filter.stat.StatFilter.connection_close(StatFilter.java:261) ~[druid-1.1.6.jar!/:1.1.6] at com.alibaba.druid.filter.FilterChainImpl.connection_close(FilterChainImpl.java:171) ~[druid-1.1.6.jar!/:1.1.6] at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.close(ConnectionProxyImpl.java:115) ~[druid-1.1.6.jar!/:1.1.6] at com.alibaba.druid.util.JdbcUtils.close(JdbcUtils.java:73) [druid-1.1.6.jar!/:1.1.6]

配置: defaultAutoCommit=false timeBetweenEvictionRunsMillis=60000 minEvictableIdleTimeMillis=30000 validationQuery=SELECT 'x' testWhileIdle=true testOnBorrow=true testOnReturn=true

MySql5.7.17 wait_timeout 100

原提问者GitHub用户gundamff