在myeclipse上部署项目，遇到如下问题：

错误描述:

org.directwebremoting.dwrp.BaseDwrpHandler - A request has been

denied as a potential CSRF attack.

org.directwebremoting.dwrp.BaseCallHandler - Exception while

processing batch

java.lang.SecurityException: CSRF Security Error

at

org.directwebremoting.dwrp.BaseDwrpHandler.checkNotCsrfAttack(BaseDwrpHandler.java:85)

at

org.directwebremoting.dwrp.BaseCallHandler.handle(BaseCallHandler.java:76)

at

org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:120)

at

org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:141)

at

javax.servlet.http.HttpServlet.service(HttpServlet.java:710)

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

org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:99)

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)

解决办法:

修改 web.xml 中 DWR 配置信息

原:

 dwr-invoker org.directwebremoting.spring.DwrSpringServlet  debug true 

加入跨域调用配置信息(红色部分)，修改为:

 dwr-invoker org.directwebremoting.spring.DwrSpringServlet  debug true 

crossDomainSessionSecurity

false

allowScriptTagRemoting

true