interface interface com.alibaba.dubbo.common.compiler.Compiler, class line com.alibaba.dubbo.common.compiler.support.JavassistCompiler) in

在往zookeeper上面发布接口时报这个错误

interface interface com.alibaba.dubbo.common.compiler.Compiler, class line com.alibaba.dubbo.common.compiler.support.JavassistCompiler) in jarfileDeclipseworkspaceLoginMainWebContentWEB-INFlibdubbo-2.5.5.jar!META-INFdubbointernalcom.alibaba.dubbo.common.compiler.Compiler, cause javassistClassPath

原因缺少jar包