java.lang.NoClassDefFoundError: Could not initialize class com.bluelight.demo.ap

[IT阳光]

各位大神，我家项目运行好好的，这两天突然不行了,log如下：
SEVERE: Servlet.service() for servlet wxservlet threw exception
java.lang.NoClassDefFoundError: Could not initialize class com.bluelight.demo.api.util.AccessTokenUtil
at com.bluelight.demo.api.util.HttpUtil.doPost(HttpUtil.java:71)
at com.bluelight.demo.api.MpApi.customSend(MpApi.java:40)
at com.bluelight.demo.api.MpApi.customSendText(MpApi.java:53)
at wxpackage.wxservlet.handler_unbindDevice(wxservlet.java:1108)
at wxpackage.wxservlet.handleDeviceMsg(wxservlet.java:1138)
at wxpackage.wxservlet.service(wxservlet.java:1401)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
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:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:620)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:745)
在线等大神指点

[当作看不见]

http://blog.csdn.net/u014737138/article/details/51799114?locationNum=2&fps=1