13:22:08.124 [Druid-ConnectionPool-Create-1538282021] ERROR c.a.d.p.DruidDataSource - [run,2803] - create connection SQLException, url: jdbc:mysql://47.100.92.253:3306/smarterp?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&serverTimezone=GMT%2B8, errorCode 0, state 08S01
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 18,900 milliseconds ago. The last packet sent successfully to the server was 18,918 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.ConnectionImpl.createNewIO(ConnectionImpl.java:836)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:227)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2801)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 18,900 milliseconds ago. The last packet sent successfully to the server was 18,918 milliseconds ago.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:544)
	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:708)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:647)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:134)
	at com.mysql.cj.NativeSession.sendCommand(NativeSession.java:311)
	at com.mysql.cj.NativeSession.configureClientCharacterSet(NativeSession.java:475)
	at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1324)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:967)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:826)
	... 9 common frames omitted
Caused by: java.net.SocketException: Connection reset
	at java.net.SocketInputStream.read(SocketInputStream.java:210)
	at java.net.SocketInputStream.read(SocketInputStream.java:141)
	at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107)
	at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150)
	at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180)
	at java.io.FilterInputStream.read(FilterInputStream.java:133)
	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:538)
	... 17 common frames omitted