1、错误描述
严重: 抛出了“org.apache.tomcat.dbcp.dbcp.SQLNestedException”异常：Cannot create JDBC driver of class ” for connect URL ‘null’堆栈：org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(1452).org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(1371).org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(1044).com.tansuosoft.discoverx.db.Database.getConnection(129).com.tansuosoft.discoverx.dao.DBRequest.getConnection(199).com.tansuosoft.discoverx.dao.DBRequest.sendRequest(512).com.tansuosoft.discoverx.web.app.message.UrgeContext.init(96).com.tansuosoft.discoverx.web.app.message.UrgeContext.<init>(50).com.tansuosoft.discoverx.web.app.message.UrgeContext.getInstance(107).com.tansuosoft.discoverx.web.ContextListener.contextInitialized(113).org.apache.catalina.core.StandardContext.listenerStart(5017).org.apache.catalina.core.StandardContext.startInternal(5531).org.apache.catalina.util.LifecycleBase.start(150).org.apache.catalina.core.ContainerBase.addChildInternal(901).org.apache.catalina.core.ContainerBase.addChild(877).org.apache.catalina.core.StandardHost.addChild(652).org.apache.catalina.startup.HostConfig.deployDescriptor(677).org.apache.catalina.startup.HostConfig$DeployDescriptor.run(1912).java.util.concurrent.Executors$RunnableAdapter.call(511).java.util.concurrent.FutureTask.run(266).java.util.concurrent.ThreadPoolExecutor.runWorker(1142).java.util.concurrent.ThreadPoolExecutor$Worker.run(617).java.lang.Thread.run(745).信息: 执行SQL语句时出现异常：，原因：Cannot create JDBC driver of class ” for connect URL ‘null’九月 07, 2015 4:36:04 下午 com.tansuosoft.discoverx.dao.DBRequest sendRequest信息: SQL执行错误：“Cannot create JDBC driver of class ” for connect URL ‘null’”，SQL语句=“严重: 抛出了“org.apache.tomcat.dbcp.dbcp.SQLNestedException”异常：Cannot create JDBC driver of class ” for connect URL ‘null’堆栈：org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(1452).org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(1371).org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(1044).org.apache.catalina.core.StandardContext.listenerStart(5017).org.apache.catalina.core.StandardContext.startInternal(5531).org.apache.catalina.util.LifecycleBase.start(150).org.apache.catalina.core.ContainerBase.addChildInternal(901).org.apache.catalina.core.ContainerBase.addChild(877).org.apache.catalina.core.StandardHost.addChild(652).org.apache.catalina.startup.HostConfig.deployDescriptor(677).org.apache.catalina.startup.HostConfig$DeployDescriptor.run(1912).java.util.concurrent.Executors$RunnableAdapter.call(511).java.util.concurrent.FutureTask.run(266).java.util.concurrent.ThreadPoolExecutor.runWorker(1142).java.util.concurrent.ThreadPoolExecutor$Worker.run(617).java.lang.Thread.run(745).九月 07, 2015 4:36:04 下午 org.apache.catalina.core.StandardContext listenerStart严重: Exception sending context initialized event to listener instance of class com.tansuosoft.discoverx.web.ContextListenercommon.exception.DBException: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class ” for connect URL ‘null’at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5017)at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5531)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:677)at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1912)at java.util.concurrent.Executors$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.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class ” for connect URL ‘null’at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1452)at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1371)at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)… 17 moreCaused by: java.sql.SQLException: No suitable driverat java.sql.DriverManager.getDriver(DriverManager.java:315)at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1437)… 22 more九月 07, 2015 4:36:04 下午 org.apache.catalina.core.StandardContext startInternal严重: One or more listeners failed to start. Full details will be found in the appropriate container log file九月 07, 2015 4:36:04 下午 org.apache.catalina.core.StandardContext startInternal严重: Context [/osp] startup failed due to previous errors九月 07, 2015 4:36:04 下午 com.tansuosoft.discoverx.web.ContextListener fireEvent信息: 触发"onsystemshutdown"类型的事件处理程序:九月 07, 2015 4:36:04 下午 com.tansuosoft.discoverx.db.Database executeScalar信息: 执行SQL语句时出现异常：原因：Cannot create JDBC driver of class ” for connect URL ‘null’严重: 抛出了“org.apache.tomcat.dbcp.dbcp.SQLNestedException”异常：Cannot create JDBC driver of class ” for connect URL ‘null’堆栈：org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(1452).org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(1371).org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(1044).org.apache.catalina.core.StandardContext.listenerStop(5064).org.apache.catalina.core.StandardContext.stopInternal(5726).org.apache.catalina.util.LifecycleBase.stop(232).org.apache.catalina.util.LifecycleBase.start(160).org.apache.catalina.core.ContainerBase.addChildInternal(901).org.apache.catalina.core.ContainerBase.addChild(877).org.apache.catalina.core.StandardHost.addChild(652).org.apache.catalina.startup.HostConfig.deployDescriptor(677).org.apache.catalina.startup.HostConfig$DeployDescriptor.run(1912).java.util.concurrent.Executors$RunnableAdapter.call(511).java.util.concurrent.FutureTask.run(266).java.util.concurrent.ThreadPoolExecutor.runWorker(1142).java.util.concurrent.ThreadPoolExecutor$Worker.run(617).java.lang.Thread.run(745).信息: 执行SQL语句时出现异常：原因：Cannot create JDBC driver of class ” for connect URL ‘null’严重: 抛出了“org.apache.tomcat.dbcp.dbcp.SQLNestedException”异常：Cannot create JDBC driver of class ” for connect URL ‘null’堆栈：org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(1452).org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(1371).org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(1044).org.apache.catalina.core.StandardContext.listenerStop(5064).org.apache.catalina.core.StandardContext.stopInternal(5726).org.apache.catalina.util.LifecycleBase.stop(232).org.apache.catalina.util.LifecycleBase.start(160).org.apache.catalina.core.ContainerBase.addChildInternal(901).org.apache.catalina.core.ContainerBase.addChild(877).org.apache.catalina.core.StandardHost.addChild(652).org.apache.catalina.startup.HostConfig.deployDescriptor(677).org.apache.catalina.startup.HostConfig$DeployDescriptor.run(1912).java.util.concurrent.Executors$RunnableAdapter.call(511).java.util.concurrent.FutureTask.run(266).java.util.concurrent.ThreadPoolExecutor.runWorker(1142).java.util.concurrent.ThreadPoolExecutor$Worker.run(617).java.lang.Thread.run(745).九月 07, 2015 4:36:05 下午 com.tansuosoft.discoverx.web.ContextListener fireEvent严重: 抛出了“java.lang.RuntimeException”异常：无法初始化“TotalAccessCount”对应的自增长序号！堆栈：org.apache.catalina.core.StandardContext.listenerStop(5064).org.apache.catalina.core.StandardContext.stopInternal(5726).org.apache.catalina.util.LifecycleBase.stop(232).org.apache.catalina.util.LifecycleBase.start(160).org.apache.catalina.core.ContainerBase.addChildInternal(901).org.apache.catalina.core.ContainerBase.addChild(877).org.apache.catalina.core.StandardHost.addChild(652).org.apache.catalina.startup.HostConfig.deployDescriptor(677).org.apache.catalina.startup.HostConfig$DeployDescriptor.run(1912).java.util.concurrent.Executors$RunnableAdapter.call(511).java.util.concurrent.FutureTask.run(266).java.util.concurrent.ThreadPoolExecutor.runWorker(1142).java.util.concurrent.ThreadPoolExecutor$Worker.run(617).java.lang.Thread.run(745).严重: 抛出了“org.apache.tomcat.dbcp.dbcp.SQLNestedException”异常：Cannot create JDBC driver of class ” for connect URL ‘null’堆栈：org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(1452).org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(1371).org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(1044).org.apache.catalina.core.StandardContext.listenerStop(5064).org.apache.catalina.core.StandardContext.stopInternal(5726).org.apache.catalina.util.LifecycleBase.stop(232).org.apache.catalina.util.LifecycleBase.start(160).org.apache.catalina.core.ContainerBase.addChildInternal(901).org.apache.catalina.core.ContainerBase.addChild(877).org.apache.catalina.core.StandardHost.addChild(652).org.apache.catalina.startup.HostConfig.deployDescriptor(677).org.apache.catalina.startup.HostConfig$DeployDescriptor.run(1912).java.util.concurrent.Executors$RunnableAdapter.call(511).java.util.concurrent.FutureTask.run(266).java.util.concurrent.ThreadPoolExecutor.runWorker(1142).java.util.concurrent.ThreadPoolExecutor$Worker.run(617).java.lang.Thread.run(745).信息: 执行SQL语句时出现异常：原因：Cannot create JDBC driver of class ” for connect URL ‘null’信息: SQL执行错误：“Cannot create JDBC driver of class ” for connect URL ‘null’”，严重: 抛出了“org.apache.tomcat.dbcp.dbcp.SQLNestedException”异常：Cannot create JDBC driver of class ” for connect URL ‘null’堆栈：org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(1452).org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(1371).org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(1044).org.apache.catalina.core.StandardContext.listenerStop(5064).org.apache.catalina.core.StandardContext.stopInternal(5726).org.apache.catalina.util.LifecycleBase.stop(232).org.apache.catalina.util.LifecycleBase.start(160).org.apache.catalina.core.ContainerBase.addChildInternal(901).org.apache.catalina.core.ContainerBase.addChild(877).org.apache.catalina.core.StandardHost.addChild(652).org.apache.catalina.startup.HostConfig.deployDescriptor(677).org.apache.catalina.startup.HostConfig$DeployDescriptor.run(1912).java.util.concurrent.Executors$RunnableAdapter.call(511).java.util.concurrent.FutureTask.run(266).java.util.concurrent.ThreadPoolExecutor.runWorker(1142).java.util.concurrent.ThreadPoolExecutor$Worker.run(617).java.lang.Thread.run(745).九月 07, 2015 4:36:05 下午 org.apache.catalina.core.StandardContext listenerStop严重: Exception sending context destroyed event to listener instance of class com.tansuosoft.discoverx.web.ContextListenercommon.exception.DBException: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class ” for connect URL ‘null’at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5726)at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:160)at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:677)at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1912)at java.util.concurrent.Executors$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.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class ” for connect URL ‘null’at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1452)at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1371)at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)… 18 moreCaused by: java.sql.SQLException: No suitable driverat java.sql.DriverManager.getDriver(DriverManager.java:315)at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1437)… 23 more九月 07, 2015 4:36:05 下午 org.apache.catalina.startup.HostConfig deployDescriptor信息: Deployment of configuration descriptor E:\apache-tomcat-7.0.63\conf\Catalina\localhost\osa.xml has finished in 5,836 ms
2、错误原因
连接MySQL数据库时，配置数据库驱动和MySQL连接路径、账号、密码时，都是空导致报错
3、解决办法
在配置文件中配置数据库驱动、账号、密码和数据库连接路径
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