Question

关于Struts2的事

本想部署Struts2可是却遇上错误代码：

2015-8-20 9:08:36 org.apache.catalina.startup.HostConfig reload
严重: Exception starting filter Struts2
java.lang.ClassNotFoundException:
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:506)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:488)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:115)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4854)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5546)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.startup.HostConfig.reload(HostConfig.java:1533)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1497)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1695)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:333)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1374)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1546)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1556)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1524)
at java.lang.Thread.run(Thread.java:619)
2015-8-20 9:08:38 org.apache.catalina.core.StandardContext startInternal
严重: One or more Filters failed to start. Full details will be found in the appropriate container log file
2015-8-20 9:08:38 org.apache.catalina.core.StandardContext startInternal

Answer 1

jar包没有导全。
或者跟hibernate和spring的jar包有冲突。
就是同一个class，在多个jar里都有，系统就糊涂了，不知用那个。

追问

删除了也没用啊

追答

最好的办法是有的放矢法。
就是用一个jar，就加一个jar。这样不容易重复。