tomcat redis 存放session NoClassDefFoundError

session tomcat redis tomcat7.055、redis2.8、jedis.jar、common-pool2.2.jar、tomcat-redis–session-manager-1.2-tomcat-7.jar 将上面的3个jar包放入tomcat下的lib目录修改content.xml 添加： <Valve className="com.radiadesign.catalina.session.RedisSessionHandlerValve" /> <Manager className="com.radiadesign.catalina.session.RedisSessionManager" host="localhost" port="6379" database="0" maxInactiveInterval="60" /> 启动tomcat时，报错，无法成功启动tomcat。以下是错误日志：八月 12, 2014 12:43:16 下午 org.apache.tomcat.util.digester.Digester startElement 严重: Begin event threw error java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool$Config at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2532) at java.lang.Class.getConstructor0(Class.java:2842) at java.lang.Class.newInstance(Class.java:345) at org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java:145) at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1288) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1343) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2786) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:648) at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561) at org.apache.catalina.startup.ContextConfig.processContextConfig(ContextConfig.java:637) at org.apache.catalina.startup.ContextConfig.contextConfig(ContextConfig.java:580) at org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:837) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:385) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402) at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:110) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1247) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1898) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool.impl.GenericObjectPool$Config at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ... 37 more 八月 12, 2014 12:43:16 下午 org.apache.catalina.startup.HostConfig deployDirectory 严重: Error deploying web application directory C:\Apache Software Foundation\tomcat7\tomcat3\apache-tomcat-7.0.55\webapps\docs java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool$Config at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2532) at java.lang.Class.getConstructor0(Class.java:2842) at java.lang.Class.newInstance(Class.java:345) at org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java:145) at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1288) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1343) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2786) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:648) at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561) at org.apache.catalina.startup.ContextConfig.processContextConfig(ContextConfig.java:637) at org.apache.catalina.startup.ContextConfig.contextConfig(ContextConfig.java:580) at org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:837) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:385) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402) at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:110) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139) 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:649) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1247) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1898) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool.impl.GenericObjectPool$Config at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ... 37 more 在新加入的3个jar包中，均没有需要用到org.apache.commons.pool.impl.GenericObjectPool$Config的地方，redis引用的是 org.apache.commons.pool2.impl.GenericObjectPool$Config，不知道怎么会出现这个错。在tomcat-redis–session-manager-1.2-tomcat-7.jar的源码中有一个类RedisSessionManager在Eclipse中发现有问题。这个类中有处代码for (Valve valve : getContext().getPipeline().getValves()) 这里的getContext() 方法报错，提示没有该方法，并且在该类的父类ManagerBase中也没有找到该方法。
25分	会不会是两个类冲突了 org.apache.commons.pool2.impl.GenericObjectPool$Config 和org.apache.commons.pool.impl.GenericObjectPool$Config
	问题已经解决了。不是两个包冲突的原因。tomcat7环境下只能使用jedis版本不能太高，我之后改用jedis2.2+common-pool1.6就好了。在这里也要感慨一下，网上好多人啊，转文章也他妈的不验证一下，你抄我的，我转你的，至于结果行不行，根本就没有验证过。这样的人不少
50分	引用 2 楼 crazypandariy 的回复: 问题已经解决了。不是两个包冲突的原因。tomcat7环境下只能使用jedis版本不能太高，我之后改用jedis2.2+common-pool1.6就好了。在这里也要感慨一下，网上好多人啊，转文章也他妈的不验证一下，你抄我的，我转你的，至于结果行不行，根本就没有验证过。这样的人不少问题百度一下打开10个网页，有7、8个都是完全一样的
25分	楼主我想问下你这样做session共享，如果用spring Security 做权限管理如何实现session管理只允许一个用户登录
	博主，我跟你一样的包。启动tomcat7怎么报版本不统一： java.lang.UnsupportedClassVersionError: com/radiadesign/catalina/session/RedisSessionHandlerValve : Unsupported major.minor version 51.0
	引用 5 楼 djyangbeiyan 的回复: 博主，我跟你一样的包。启动tomcat7怎么报版本不统一： java.lang.UnsupportedClassVersionError: com/radiadesign/catalina/session/RedisSessionHandlerValve : Unsupported major.minor version 51.0 解决没有
	我也遇到同样的问题了，使用JDK 7解决

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