点击jsp页面上的按钮java后天报下面这个错误，但是action中加入断点，但并没有进入action中执行。
这是因为什么原因出的错？
2014/06/24 8:40:52 org.apache.catalina.core.StandardWrapperValve invoke
致命的: サーブレット action のServlet.service()が例外を投げました
java.lang.ArrayIndexOutOfBoundsException
at java.lang.reflect.Array.set(Native Method)
at org.apache.commons.beanutils.PropertyUtils.setIndexedProperty(PropertyUtils.java:1468)
at org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:1013)
at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:808)
at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:1252)
at org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:821)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:254)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.fellow.common.util.ClassLoadFilter.doFilter(ClassLoadFilter.java:42)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at net.skirnir.catalina.servlets.MultipartFilter.doFilter(MultipartFilter.java:69)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at jp.co.infoscience.servlet.filter.BuiltinCharacterSetFilter.doFilter(BuiltinCharacterSetFilter.java:43)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at jp.co.infoscience.servlet.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:46)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
------解决方案--------------------
ArrayIndexOutOfBoundsException
数组越界异常。
你们的工程包是这个么？
com.fellow.common.util.ClassLoadFilter.doFilter(ClassLoadFilter.java:42)
------解决方案--------------------
楼主用日语版啦，有数组越界错误！