slf4j版本问题，启动报错

[yuanzs]

严重: Failed to deploy verticle com.mpush.mpns.web.AppServer java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory at com.mpush.mpns.web.AppServer.(AppServer.java:34) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at java.lang.Class.newInstance(Class.java:442)