blade-cloud2.6.0 xxl-job时不时报Communications link failure

一、该问题的重现步骤是什么？

1. blade-cloud2.6.0 xxl-job时不时报Communications link failure

2. 

3.

二、你期待的结果是什么？实际看到的又是什么？

三、你正在使用的是什么产品，什么版本？在什么操作系统上？

blade-cloud2.6.0   win2008 Rw

四、请提供详细的错误堆栈信息，这很重要。

com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 125,130 milliseconds ago.  The last packet sent successfully to the server was 125,130 milliseconds ago.

at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)

at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)

at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953)

at com.mysql.cj.jdbc.ClientPreparedStatement.execute(ClientPreparedStatement.java:370)

at com.zaxxer.hikari.pool.ProxyPreparedStatement.execute(ProxyPreparedStatement.java:44)

at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.execute(HikariProxyPreparedStatement.java)

at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:64)

at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79)

at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63)

at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324)

at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)

at sun.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)

at com.sun.proxy.$Proxy132.selectOne(Unknown Source)

at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)

at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)

at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:93)

at com.sun.proxy.$Proxy136.findLogReport(Unknown Source)

at com.xxl.job.admin.core.thread.JobLogReportHelper$1.run(JobLogReportHelper.java:71)

at java.lang.Thread.run(Thread.java:748)

五、若有更多详细信息，请在下面提供。