2023-07-03 16:31:58,336 [main] ERROR - 创建数据库连接[jdbc:mysql://rm-wz92cy11q44y87b02.mysql.rds.aliyuncs.com:3306/yangcai365_design?useUnicode=true&characterEncoding=UTF-8|yangcai]时，发生异常：[Communications link failure due to underlying exception: 

** BEGIN NESTED EXCEPTION ** 

java.net.ConnectException
MESSAGE: Connection timed out: connect

STACKTRACE:

java.net.ConnectException: Connection timed out: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at java.net.Socket.connect(Socket.java:538)
	at java.net.Socket.<init>(Socket.java:434)
	at java.net.Socket.<init>(Socket.java:244)
	at org.zhiqim.mysql5_0_8.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256)
	at org.zhiqim.mysql5_0_8.jdbc.MysqlIO.<init>(MysqlIO.java:294)
	at org.zhiqim.mysql5_0_8.jdbc.Connection.createNewIO(Connection.java:3357)
	at org.zhiqim.mysql5_0_8.jdbc.Connection.<init>(Connection.java:2065)
	at org.zhiqim.mysql5_0_8.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:295)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:247)
	at org.zhiqim.orm.datasource.ZDataSource.newProxyConnection(ZDataSource.java:463)
	at org.zhiqim.orm.datasource.ZConnectionTester.isDbBreak(ZConnectionTester.java:81)
	at org.zhiqim.orm.datasource.ZDataSource.createConnectionTester(ZDataSource.java:291)
	at org.zhiqim.orm.datasource.ZDataSource.openBefore(ZDataSource.java:179)
	at org.zhiqim.kernel.control.Threadx.open(Threadx.java:101)
	at org.zhiqim.orm.ORMServer.create(ORMServer.java:108)
	at org.zhiqim.orm.ORMServer.create(ORMServer.java:82)
	at org.zhiqim.kernel.Zhiqim.createService(Zhiqim.java:305)
	at org.zhiqim.kernel.Zhiqim.startup(Zhiqim.java:137)
	at org.zhiqim.kernel.Zhiqim.main(Zhiqim.java:76)


** END NESTED EXCEPTION **



Last packet sent to the server was 0 ms ago.]
2023-07-03 16:31:58,337 [main] ERROR - 初始化数据库[jdbc:mysql://rm-wz92cy11q44y87b02.mysql.rds.aliyuncs.com:3306/yangcai365_design?useUnicode=true&characterEncoding=UTF-8|yangcai]连接池，发生异常：连接被断开