java.lang.NoClassDefFoundError:

手动将json-lib-2.3-jdk15.jar这个到对应服务器的lib目录下，net.sf.json的maven依赖：

<dependency> 
      <groupId>commons-beanutils</groupId> 
      <artifactId>commons-beanutils</artifactId> 
      <version>1.9.3</version> 
  </dependency> 
  <dependency> 
      <groupId>commons-collections</groupId> 
      <artifactId>commons-collections</artifactId> 
      <version>3.2.1</version> 
  </dependency> 
  <dependency> 
      <groupId>commons-lang</groupId> 
      <artifactId>commons-lang</artifactId> 
      <version>2.6</version> 
  </dependency> 
  <dependency> 
      <groupId>commons-logging</groupId> 
      <artifactId>commons-logging</artifactId> 
      <version>1.1.1</version> 
  </dependency> 
  <dependency> 
      <groupId>net.sf.ezmorph</groupId> 
      <artifactId>ezmorph</artifactId> 
      <version>1.0.6</version> 
  </dependency> 
  <dependency> 
      <groupId>net.sf.json-lib</groupId> 
      <artifactId>json-lib</artifactId> 
      <version>2.4</version> 
      <classifier>jdk15</classifier><!-- 指定jdk版本 --> 
  </dependency>