Tomcat7.x ,jre 6 java.lang.NoSuchMethodError SessionCookieConfig
?
错误代码：
Error deploying configuration descriptor ROOT.xmljava.lang.NoSuchMethodError: javax.servlet.ServletContext.getSessionCookieConfig()Ljavax/servlet/SessionCookieConfig;at org.apache.catalina.deploy.WebXml.configureContext(WebXml.java:1285)at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1288)at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:875)at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:313)at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4667)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:138)at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:785)at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:763)at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:558)at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:674)at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:599)at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:538)at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1458)at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:338)at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1186)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1340)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1349)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1329)at java.lang.Thread.run(Thread.java:662)?
是servlet3.0的包的错误，tomcat7在运行的时候，使用的不是自己lib下面的那个api，而是使用的
这个目录下的jdk1.6.0_x/jre/lib/ext
只要把这个下面的servlet-api.jar替换成tomcat7下面的那个jar包文件，启动就正常了
