請求大大幫我解決~{已解決}

aio6520c

	可以幫幫我以下問題是哪裡出錯我看不懂誰可以教教我 ?? ??: jdbc:mysql://localhost/l1jdb?interactiveClient=true&autoReconnect=true&autoReconnectForPools=true&useUnicode=true&characterEncoding=euckr&validationQuery="SELECT 1"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(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:411)         at com.mysql.jdbc.Util.getInstance(Util.java:386)         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1014)         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:988)         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:974)         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919)         at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2299)         at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2220)         at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:813)         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:411)         at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)         at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334)         at java.sql.DriverManager.getConnection(Unknown Source)         at java.sql.DriverManager.getConnection(Unknown Source)         at org.apache.commons.dbcp.DriverManagerConnectionFactory.createConnection(DriverManagerConnectionFactory.java:75)         at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)         at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1188)         at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)         at l1j.server.Database.DB.getConnection(Unknown Source)         at l1j.server.Database.DB.init(Unknown Source)         at server.Server.initDBFactory(Unknown Source)         at server.Server.start(Unknown Source)         at server.manager.eva.initialize(Unknown Source)         at server.manager.eva.<init>(Unknown Source)         at server.manager.eva$1.run(Unknown Source)         at java.awt.event.InvocationEvent.dispatch(Unknown Source)         at java.awt.EventQueue.dispatchEventImpl(Unknown Source)         at java.awt.EventQueue.access$500(Unknown Source)         at java.awt.EventQueue$3.run(Unknown Source)         at java.awt.EventQueue$3.run(Unknown Source)         at java.security.AccessController.doPrivileged(Native Method)         at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)         at java.awt.EventQueue.dispatchEvent(Unknown Source)         at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)         at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)         at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)         at java.awt.EventDispatchThread.run(Unknown Source) Caused by: java.sql.SQLException: Unable to load authentication plugin 'caching_sha2_password'.         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926)         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:923)         at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1715)         at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1244)         at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2397)         at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2238)         ... 37 more Exception in thread "AWT-EventQueue-0" java.lang.Error: DatabaseFactory? ??? ? ? ????!         at l1j.server.Database.DB.init(Unknown Source)         at server.Server.initDBFactory(Unknown Source)         at server.Server.start(Unknown Source)         at server.manager.eva.initialize(Unknown Source)         at server.manager.eva.<init>(Unknown Source)         at server.manager.eva$1.run(Unknown Source)         at java.awt.event.InvocationEvent.dispatch(Unknown Source)         at java.awt.EventQueue.dispatchEventImpl(Unknown Source)         at java.awt.EventQueue.access$500(Unknown Source)         at java.awt.EventQueue$3.run(Unknown Source)         at java.awt.EventQueue$3.run(Unknown Source)         at java.security.AccessController.doPrivileged(Native Method)         at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)         at java.awt.EventQueue.dispatchEvent(Unknown Source)         at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)         at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)         at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)         at java.awt.EventDispatchThread.run(Unknown Source) 請按任意鍵繼續 . . .

hua20

	無法建立資料庫連接 資料庫名稱無法對應你設定的 要檢查資料庫帳密設定有沒有正確

aio6520c

	hua20 發表於 2020-10-7 01:32 無法建立資料庫連接 資料庫名稱無法對應你設定的 要檢查資料庫帳密設定有沒有正確 ... 謝謝大大教學~~

aio6520c

	hua20 發表於 2020-10-7 01:32 無法建立資料庫連接 資料庫名稱無法對應你設定的 要檢查資料庫帳密設定有沒有正確 ... 不好意思~大大我不知道哪裡沒修改到   請大大教學

joe41324

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