Servlet.service() for servlet dwr-invoker threw exception-优快云博客

本文详细分析了在使用DWR框架与Servlet进行集成时遇到的SecurityException问题，并提供了可能的解决方案。问题源于DWR.xml配置文件错误及JDK版本不兼容，建议检查配置文件并调整JDK版本至1.4。

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严重: Servlet.service() for servlet dwr-invoker threw exception
java.lang.SecurityException: No class by name: DwrAction
at uk.ltd.getahead.dwr.impl.DefaultCreatorManager.getCreator(DefaultCreatorManager.java:196)
at uk.ltd.getahead.dwr.impl.DefaultInterfaceProcessor.handle(DefaultInterfaceProcessor.java:54)
at uk.ltd.getahead.dwr.impl.DefaultProcessor.handle(DefaultProcessor.java:77)
at uk.ltd.getahead.dwr.AbstractDWRServlet.doPost(AbstractDWRServlet.java:162)
at uk.ltd.getahead.dwr.AbstractDWRServlet.doGet(AbstractDWRServlet.java:149)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.zhulei.common.EncodingFilter.doFilter(EncodingFilter.java:22)
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:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)