JFinal可以配置几个Oracle数据源？:配置报错 

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   对配置的个数据没有限制，出现错误可能是别的原因，贴出异常信息来看看 [ERROR]-[Thread: main]-[com.alibaba.druid.pool.DruidDataSource.init()]: init datasource error java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70) at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:199) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:480) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:413) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:508) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:203) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:510) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:618) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98) at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:80) at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:171) at com.demo.common.DemoConfig.configPlugin(DemoConfig.java:170) at com.jfinal.core.Config.configJFinal(Config.java:48) at com.jfinal.core.JFinal.init(JFinal.java:65) at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49) at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:724) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95) at org.eclipse.jetty.server.Server.doStart(Server.java:277) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at com.jfinal.server.JettyServer.doStart(JettyServer.java:121) at com.jfinal.server.JettyServer.start(JettyServer.java:64) at com.jfinal.core.JFinal.start(JFinal.java:137) at com.demo.common.DemoConfig.main(DemoConfig.java:195) Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.net.ns.NSProtocol.connect(NSProtocol.java:361) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:966) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:292) ... 31 more 2016-06-16 14:05:19 [ERROR]-[Thread: main]-[com.alibaba.druid.pool.DruidDataSource.init()]: dataSource init error java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70) at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:199) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:480) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:413) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:508) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:203) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:510) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:618) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98) at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:80) at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:171) at com.demo.common.DemoConfig.configPlugin(DemoConfig.java:170) at com.jfinal.core.Config.configJFinal(Config.java:48) at com.jfinal.core.JFinal.init(JFinal.java:65) at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49) at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:724) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95) at org.eclipse.jetty.server.Server.doStart(Server.java:277) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at com.jfinal.server.JettyServer.doStart(JettyServer.java:121) at com.jfinal.server.JettyServer.start(JettyServer.java:64) at com.jfinal.core.JFinal.start(JFinal.java:137) at com.demo.common.DemoConfig.main(DemoConfig.java:195) Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.net.ns.NSProtocol.connect(NSProtocol.java:361) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:966) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:292) ... 31 more 2016-06-16 14:05:19 [WARN]-[Thread: main]-[org.eclipse.jetty.util.component.AbstractLifeCycle.setFailed()]: FAILED jfinal: com.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   com.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:91) at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:171) at com.demo.common.DemoConfig.configPlugin(DemoConfig.java:170) at com.jfinal.core.Config.configJFinal(Config.java:48) at com.jfinal.core.JFinal.init(JFinal.java:65) at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49) at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:724) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95) at org.eclipse.jetty.server.Server.doStart(Server.java:277) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at com.jfinal.server.JettyServer.doStart(JettyServer.java:121) at com.jfinal.server.JettyServer.start(JettyServer.java:64) at com.jfinal.core.JFinal.start(JFinal.java:137) at com.demo.common.DemoConfig.main(DemoConfig.java:195) Caused by: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70) at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:199) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:480) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:413) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:508) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:203) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:510) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:618) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98) at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:80) ... 20 more Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.net.ns.NSProtocol.connect(NSProtocol.java:361) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:966) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:292) ... 31 more 2016-06-16 14:05:19 [WARN]-[Thread: main]-[org.eclipse.jetty.webapp.WebAppContext.doStart()]: Failed startup of context o.e.j.w.WebAppContext{/,file:/E:/code/workspace/sendMessage/WebRoot/} com.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:91) at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:171) at com.demo.common.DemoConfig.configPlugin(DemoConfig.java:170) at com.jfinal.core.Config.configJFinal(Config.java:48) at com.jfinal.core.JFinal.init(JFinal.java:65) at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49) at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:724) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95) at org.eclipse.jetty.server.Server.doStart(Server.java:277) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at com.jfinal.server.JettyServer.doStart(JettyServer.java:121) at com.jfinal.server.JettyServer.start(JettyServer.java:64) at com.jfinal.core.JFinal.start(JFinal.java:137) at com.demo.common.DemoConfig.main(DemoConfig.java:195) Caused by: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70) at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:199) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:480) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:413) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:508) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:203) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:510) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:618) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98) at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:80) ... 20 more Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.net.ns.NSProtocol.connect(NSProtocol.java:361) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:966) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:292) ... 31 more 2016-06-16 14:05:19 [WARN]-[Thread: main]-[org.eclipse.jetty.util.component.AbstractLifeCycle.setFailed()]: FAILED o.e.j.w.WebAppContext{/,file:/E:/code/workspace/sendMessage/WebRoot/}: com.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   com.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:91) at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:171) at com.demo.common.DemoConfig.configPlugin(DemoConfig.java:170) at com.jfinal.core.Config.configJFinal(Config.java:48) at com.jfinal.core.JFinal.init(JFinal.java:65) at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49) at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:724) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95) at org.eclipse.jetty.server.Server.doStart(Server.java:277) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at com.jfinal.server.JettyServer.doStart(JettyServer.java:121) at com.jfinal.server.JettyServer.start(JettyServer.java:64) at com.jfinal.core.JFinal.start(JFinal.java:137) at com.demo.common.DemoConfig.main(DemoConfig.java:195) Caused by: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70) at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:199) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:480) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:413) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:508) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:203) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:510) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:618) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98) at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:80) ... 20 more Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.net.ns.NSProtocol.connect(NSProtocol.java:361) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:966) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:292) ... 31 more 2016-06-16 14:05:19 [WARN]-[Thread: main]-[org.eclipse.jetty.util.component.AbstractLifeCycle.setFailed()]: FAILED org.eclipse.jetty.server.Server@36189ddf: com.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   com.jfinal.plugin.activerecord.ActiveRecordException: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:91) at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:171) at com.demo.common.DemoConfig.configPlugin(DemoConfig.java:170) at com.jfinal.core.Config.configJFinal(Config.java:48) at com.jfinal.core.JFinal.init(JFinal.java:65) at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49) at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:119) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:724) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:265) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:706) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95) at org.eclipse.jetty.server.Server.doStart(Server.java:277) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) at com.jfinal.server.JettyServer.doStart(JettyServer.java:121) at com.jfinal.server.JettyServer.start(JettyServer.java:64) at com.jfinal.core.JFinal.start(JFinal.java:137) at com.demo.common.DemoConfig.main(DemoConfig.java:195) Caused by: java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:70) at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:199) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:480) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:413) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:508) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:203) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:510) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:618) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:915) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:911) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:98) at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:80) ... 20 more Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor   at oracle.net.ns.NSProtocol.connect(NSProtocol.java:361) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:966) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:292) ... 31 more ######设置 oracle 方言没？