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问答 本地运行正常，放到linux服务器上启动tomcat，数据库连接不上
发布于 2002天前 作者 yanteng0124 2685 次浏览 复制 上一个帖子 下一个帖子
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[23/05/19 02:30:23:023 CST] localhost-startStop-1 ERROR pool.DruidDataSource: init datasource error
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.Util.getInstance(Util.java:382)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2239)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2168)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:146)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:140)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1355)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1409)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:602)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:876)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:872)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:97)
	at org.nutz.trans.Trans.getConnectionAuto(Trans.java:263)
	at org.nutz.dao.jdbc.Jdbcs.getExpert(Jdbcs.java:106)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:181)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:172)
	at org.nutz.dao.impl.NutDao.<init>(NutDao.java:112)
	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:408)
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:17)
	at org.nutz.ioc.weaver.DefaultWeaver.born(DefaultWeaver.java:67)
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:114)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:218)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:265)
	at com.juyo.visa.WeSetup.createTableIfNotExists(WeSetup.java:149)
	at com.juyo.visa.WeSetup.init(WeSetup.java:81)
	at org.nutz.mvc.impl.NutLoading.evalSetup(NutLoading.java:276)
	at org.nutz.mvc.impl.NutLoading.load(NutLoading.java:120)
	at org.nutz.mvc.ActionHandler.<init>(ActionHandler.java:19)
	at org.nutz.mvc.NutFilter._init(NutFilter.java:87)
	at org.nutz.mvc.NutFilter.init(NutFilter.java:65)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4950)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5652)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: 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(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:346)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2334)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2186)
	... 56 more
Caused by: java.net.ConnectException: Connection timed out
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	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.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 com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:295)
	... 58 more
[23/05/19 02:30:23:023 CST] localhost-startStop-1 ERROR pool.DruidDataSource: dataSource init error
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.Util.getInstance(Util.java:382)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2239)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2168)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:146)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:140)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1355)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1409)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:602)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:876)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:872)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:97)
	at org.nutz.trans.Trans.getConnectionAuto(Trans.java:263)
	at org.nutz.dao.jdbc.Jdbcs.getExpert(Jdbcs.java:106)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:181)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:172)
	at org.nutz.dao.impl.NutDao.<init>(NutDao.java:112)
	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:408)
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:17)
	at org.nutz.ioc.weaver.DefaultWeaver.born(DefaultWeaver.java:67)
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:114)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:218)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:265)
	at com.juyo.visa.WeSetup.createTableIfNotExists(WeSetup.java:149)
	at com.juyo.visa.WeSetup.init(WeSetup.java:81)
	at org.nutz.mvc.impl.NutLoading.evalSetup(NutLoading.java:276)
	at org.nutz.mvc.impl.NutLoading.load(NutLoading.java:120)
	at org.nutz.mvc.ActionHandler.<init>(ActionHandler.java:19)
	at org.nutz.mvc.NutFilter._init(NutFilter.java:87)
	at org.nutz.mvc.NutFilter.init(NutFilter.java:65)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4950)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5652)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: 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(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:346)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2334)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2186)
	... 56 more
Caused by: java.net.ConnectException: Connection timed out
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	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.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 com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:295)
	... 58 more
[23/05/19 02:30:23:023 CST] localhost-startStop-1  INFO pool.DruidDataSource: {dataSource-1} inited
[23/05/19 02:30:23:023 CST] localhost-startStop-1 ERROR impl.NutLoading: Error happend during start serivce!
org.nutz.ioc.IocException: [nutDao] # FAIL to create Ioc Bean name=[nutDao]
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:149)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:218)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:265)
	at com.juyo.visa.WeSetup.createTableIfNotExists(WeSetup.java:149)
	at com.juyo.visa.WeSetup.init(WeSetup.java:81)
	at org.nutz.mvc.impl.NutLoading.evalSetup(NutLoading.java:276)
	at org.nutz.mvc.impl.NutLoading.load(NutLoading.java:120)
	at org.nutz.mvc.ActionHandler.<init>(ActionHandler.java:19)
	at org.nutz.mvc.NutFilter._init(NutFilter.java:87)
	at org.nutz.mvc.NutFilter.init(NutFilter.java:65)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4950)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5652)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.nutz.lang.born.BorningException: Fail to born 'org.nutz.dao.impl.NutDao'
 by args: [
  @({
	CreateTime:"2019-05-23 14:27:10",
	ActiveCount:0,
	PoolingCount:0,
	CreateCount:0,
	DestroyCount:0,
	CloseCount:0,
	ConnectCount:0,
	Connections:[
	]
})] becasue:
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:19)
	at org.nutz.ioc.weaver.DefaultWeaver.born(DefaultWeaver.java:67)
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:114)
	... 25 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.Util.getInstance(Util.java:382)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2239)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2168)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:146)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:140)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1355)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1409)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:602)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:876)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:872)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:97)
	at org.nutz.trans.Trans.getConnectionAuto(Trans.java:263)
	at org.nutz.dao.jdbc.Jdbcs.getExpert(Jdbcs.java:106)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:181)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:172)
	at org.nutz.dao.impl.NutDao.<init>(NutDao.java:112)
	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:408)
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:17)
	... 27 more
Caused by: 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(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:346)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2334)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2186)
	... 56 more
Caused by: java.net.ConnectException: Connection timed out
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	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.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 com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:295)
	... 58 more
9 回复

防火墙

Table: filter
Chain INPUT (policy ACCEPT)
num  target     prot opt source               destination         
1    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:22 
2    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:3306 
3    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:80 
4    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:8080 
5    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:443 
6    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:2181 
7    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:20880 
8    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:8081 
9    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:8082 
10   ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:6379 
11   ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpts:20000:30000 
12   ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:20 
13   ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:21 

Chain FORWARD (policy ACCEPT)
num  target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
num  target     prot opt source               destination

换了个库

localhost-startStop-1 ERROR pool.DruidDataSource: init datasource error
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.Util.getInstance(Util.java:382)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2239)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2168)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:146)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:140)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1355)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1409)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:602)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:876)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:872)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:97)
	at org.nutz.trans.Trans.getConnectionAuto(Trans.java:263)
	at org.nutz.dao.jdbc.Jdbcs.getExpert(Jdbcs.java:106)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:181)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:172)
	at org.nutz.dao.impl.NutDao.<init>(NutDao.java:112)
	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:408)
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:17)
	at org.nutz.ioc.weaver.DefaultWeaver.born(DefaultWeaver.java:67)
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:114)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:218)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:265)
	at com.juyo.visa.WeSetup.createTableIfNotExists(WeSetup.java:149)
	at com.juyo.visa.WeSetup.init(WeSetup.java:81)
	at org.nutz.mvc.impl.NutLoading.evalSetup(NutLoading.java:276)
	at org.nutz.mvc.impl.NutLoading.load(NutLoading.java:120)
	at org.nutz.mvc.ActionHandler.<init>(ActionHandler.java:19)
	at org.nutz.mvc.NutFilter._init(NutFilter.java:87)
	at org.nutz.mvc.NutFilter.init(NutFilter.java:65)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4950)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5652)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: Access denied for user 'root'@'iZm5edjh1xs0inam3uhpk8Z' (using password: YES)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3603)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3535)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:934)
	at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4104)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1299)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2338)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2186)
	... 56 more
[2019-05-23 03:06:26:026 CST] localhost-startStop-1 ERROR pool.DruidDataSource: dataSource init error
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.Util.getInstance(Util.java:382)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2239)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2168)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:146)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:140)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1355)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1409)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:602)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:876)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:872)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:97)
	at org.nutz.trans.Trans.getConnectionAuto(Trans.java:263)
	at org.nutz.dao.jdbc.Jdbcs.getExpert(Jdbcs.java:106)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:181)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:172)
	at org.nutz.dao.impl.NutDao.<init>(NutDao.java:112)
	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:408)
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:17)
	at org.nutz.ioc.weaver.DefaultWeaver.born(DefaultWeaver.java:67)
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:114)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:218)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:265)
	at com.juyo.visa.WeSetup.createTableIfNotExists(WeSetup.java:149)
	at com.juyo.visa.WeSetup.init(WeSetup.java:81)
	at org.nutz.mvc.impl.NutLoading.evalSetup(NutLoading.java:276)
	at org.nutz.mvc.impl.NutLoading.load(NutLoading.java:120)
	at org.nutz.mvc.ActionHandler.<init>(ActionHandler.java:19)
	at org.nutz.mvc.NutFilter._init(NutFilter.java:87)
	at org.nutz.mvc.NutFilter.init(NutFilter.java:65)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4950)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5652)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: Access denied for user 'root'@'iZm5edjh1xs0inam3uhpk8Z' (using password: YES)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3603)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3535)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:934)
	at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4104)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1299)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2338)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2186)
	... 56 more
[2019-05-23 03:06:26:026 CST] localhost-startStop-1  INFO pool.DruidDataSource: {dataSource-1} inited
[2019-05-23 03:06:26:026 CST] localhost-startStop-1 ERROR impl.NutLoading: Error happend during start serivce!
org.nutz.ioc.IocException: [nutDao] # FAIL to create Ioc Bean name=[nutDao]
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:149)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:218)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:265)
	at com.juyo.visa.WeSetup.createTableIfNotExists(WeSetup.java:149)
	at com.juyo.visa.WeSetup.init(WeSetup.java:81)
	at org.nutz.mvc.impl.NutLoading.evalSetup(NutLoading.java:276)
	at org.nutz.mvc.impl.NutLoading.load(NutLoading.java:120)
	at org.nutz.mvc.ActionHandler.<init>(ActionHandler.java:19)
	at org.nutz.mvc.NutFilter._init(NutFilter.java:87)
	at org.nutz.mvc.NutFilter.init(NutFilter.java:65)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4950)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5652)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.nutz.lang.born.BorningException: Fail to born 'org.nutz.dao.impl.NutDao'
 by args: [
  @({
	CreateTime:"2019-05-23 15:06:21",
	ActiveCount:0,
	PoolingCount:0,
	CreateCount:0,
	DestroyCount:0,
	CloseCount:0,
	ConnectCount:0,
	Connections:[
	]
})] becasue:
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:19)
	at org.nutz.ioc.weaver.DefaultWeaver.born(DefaultWeaver.java:67)
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:114)
	... 25 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.Util.getInstance(Util.java:382)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2239)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2168)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	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:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:146)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:140)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1355)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1409)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:602)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:876)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:872)
	at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:97)
	at org.nutz.trans.Trans.getConnectionAuto(Trans.java:263)
	at org.nutz.dao.jdbc.Jdbcs.getExpert(Jdbcs.java:106)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:181)
	at org.nutz.dao.impl.DaoSupport.setDataSource(DaoSupport.java:172)
	at org.nutz.dao.impl.NutDao.<init>(NutDao.java:112)
	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:408)
	at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:17)
	... 27 more
Caused by: java.sql.SQLException: Access denied for user 'root'@'iZm5edjh1xs0inam3uhpk8Z' (using password: YES)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3603)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3535)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:934)
	at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4104)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1299)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2338)
	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2186)
	... 56 more
[2019-05-23 03:06:26:026 CST] localhost-startStop-1 ERROR impl.NutLoading: try to depose ioc
[2019-05-23 03:06:26:026 CST] localhost-startStop-1  INFO impl.NutIoc: org.nutz.ioc.impl.NutIoc@2012465418 is closing. startup date [19-05-23 15:06:20.547]

[2019-05-23 03:06:26:026 CST] localhost-startStop-1  INFO pool.DruidDataSource: {dataSource-1} closed
[2019-05-23 03:06:26:026 CST] localhost-startStop-1  INFO impl.NutIoc: org.nutz.ioc.impl.NutIoc@2012465418 is deposed. startup date [19-05-23 15:06:20.547]
May 23, 2019 3:06:26 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: One or more Filters failed to start. Full details will be found in the appropriate container log file
May 23, 2019 3:06:26 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [] startup failed due to previous errors

先测试一下本地数据库

同一个数据库，本地和虚拟机都可以，阿里云服务器还是不行

阿里云上也是本地数据库？

是他本身上边的服务器，本地可以连，navicat也可以连，他自己连不上

那就是配置信息没写对咯

库是以前用的，有几个月不用了。重新创建了用户，然后只对这个阿里云服务器IP开放，就可以了

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