刚装上1.6的JDK和Tomcat 和5.5的MyEclipse 启动服务就出现这个问题，求解答

刚装上1.6的JDK和Tomcat 和5.5的MyEclipse 启动服务就出现这个问题，求解答 2010-7-17 22:42:01 org.apache.catalina.core.AprLifecycleListener init
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: F:\javaTools\jdk\bin;F:\javaTools\Tomcat-6.0.14\bin
2010-7-17 22:42:02 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2010-7-17 22:42:02 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1988 ms
2010-7-17 22:42:02 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2010-7-17 22:42:02 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.14
2010-7-17 22:42:03 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter CharacterEncoding
java.lang.ClassNotFoundException: com.associator.servlet.CharacterEncoding
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:249)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3696)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4343)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2010-7-17 22:42:03 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2010-7-17 22:42:03 org.apache.catalina.core.StandardContext start
严重: Context [/aa] startup failed due to previous errors
2010-7-17 22:42:05 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2010-7-17 22:42:05 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2010-7-17 22:42:06 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2010-7-17 22:42:07 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2010-7-17 22:42:07 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/47  config=null
2010-7-17 22:42:07 org.apache.catalina.startup.Catalina start
信息: Server startup in 4688 ms