@祥子 3.7.1可以启动，直接换成3.7.2之后的版本就启动不了啦这里好像贴不了图，错误代码：[ERROR]-[Thread: main]-[com.alibaba.druid.pool.DruidDataSource.init()]: init datasource error, url: jdbc:mysql://10.1.1.12:3306/businessdecision?characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&autoReconnect=true java.sql.SQLException: java.lang.IllegalAccessError: class sun.reflect.GeneratedConstructorAccessor3 cannot access its superclass sun.reflect.ConstructorAccessorImpl at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:964) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:897) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:886) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:877) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:873) at com.mysql.jdbc.Util.handleNewInstance(Util.java:443) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148) at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:785) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:220) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1463) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1525) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:734) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1060) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1056) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:104) at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:43) at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:226) at com.jfinal.core.Config.startPlugins(Config.java:107) at com.jfinal.core.Config.configJFinal(Config.java:51) at com.jfinal.core.JFinal.init(JFinal.java:63) 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:133) at com.jfinal.server.JettyServer.start(JettyServer.java:70) at com.jfinal.core.JFinal.start(JFinal.java:162) at common.AppConfig.main(AppConfig.java:145) Caused by: java.lang.IllegalAccessError: class sun.reflect.GeneratedConstructorAccessor3 cannot access its superclass sun.reflect.ConstructorAccessorImpl at sun.misc.Unsafe.defineClass(Native Method) at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63) at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399) at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:394) at java.security.AccessController.doPrivileged(Native Method) at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:393) at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:92) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:55) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ResultSetImpl.getInstance(ResultSetImpl.java:319) at com.mysql.jdbc.MysqlIO.buildResultSetWithUpdates(MysqlIO.java:3194) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:3094) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:2341) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2736) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2486) at com.mysql.jdbc.ConnectionImpl.setupServerForTruncationChecks(ConnectionImpl.java:5109) at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3378) at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2067) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2029) at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:779) at com.mysql.jdbc.JDBC4Connection.(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:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ... 34 more
一直不知道确切原因