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訪問出現(xiàn)問題

?org.apache.catalina.core.StandardWrapperValve invoke
嚴(yán)重: Servlet.service() for servlet [weixinServlet] in context with path [/Weixin] threw exception [Servlet execution threw an exception] with root cause
java.lang.ClassNotFoundException: org.xmlpull.v1.XmlPullParserException
?? ?at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
?? ?at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
?? ?at com.thoughtworks.xstream.XStream.<init>(XStream.java:350)
?? ?at com.tools.MessageUtil.textMessageToXml(MessageUtil.java:45)
?? ?at com.servlet.WeixinServlet.doPost(WeixinServlet.java:54)
?? ?at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
?? ?at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
?? ?at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
?? ?at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
?? ?at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
?? ?at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
?? ?at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
?? ?at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
?? ?at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
?? ?at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
?? ?at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
?? ?at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
?? ?at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
?? ?at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
?? ?at java.lang.Thread.run(Thread.java:744)