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- 2022-07-11 09:47:08.723 ERROR c.a.druid.pool.DruidDataSource - create connection error, url: jdbc:mysql://localhost:12865/crm_partners?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC&allowMultiQueries=true&useSSL=false, errorCode 0, state 08S01
- com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
- The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
- at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
- at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
- at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
- at java.lang.reflect.Constructor.newInstance(Unknown Source)
- at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
- at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989)
- at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341)
- at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2189)
- at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2222)
- at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2017)
- at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:779)
- at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
- at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
- at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
- at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
- at java.lang.reflect.Constructor.newInstance(Unknown Source)
- at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
- at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
- at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
- at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1461)
- at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1525)
- at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2100)
- Caused by: java.net.ConnectException: Connection refused: connect
- at java.net.DualStackPlainSocketImpl.connect0(Native Method)
- at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
- at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
- at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
- at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
- at java.net.PlainSocketImpl.connect(Unknown Source)
- at java.net.SocksSocketImpl.connect(Unknown Source)
- at java.net.Socket.connect(Unknown Source)
- at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
- at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)
- ... 15 common frames omitted
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