在做dubbo的时候出现Java.lang.NoSuchMethodError: org.springframework.beans.MutablePropertyValues.add，是因为用maven的时候其他包被引入进来了;把一些重复的包exclusion就可以了！
<dependency> <groupId>com.alibaba</groupId> <artifactId>dubbo</artifactId> <version>2.5.3</version> <exclusions> <exclusion> <artifactId>spring</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>javassist</artifactId> <groupId>org.javassist</groupId> </exclusion> <exclusion> <artifactId>netty</artifactId> <groupId>io.netty</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> <version>3.4.6</version> <exclusions> <exclusion> <artifactId>netty</artifactId> <groupId>io.netty</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.github.sgroschupf</groupId> <artifactId>zkclient</artifactId> <version>0.1</version> <exclusions> <exclusion> <artifactId>netty</artifactId> <groupId>io.netty</groupId> </exclusion> </exclusions> </dependency>