'<' is an unknown code

Exception in thread "main" com.caucho.hessian.client.HessianRuntimeException:com.caucho.hessian.io.HessianProtocolException: '<' is an unknown code

at com.caucho.hessian.client.HessianProxy.invoke(HessianProxy.java:221)

at com.sun.proxy.$Proxy0.sayHello(Unknown Source)

at com.shenhl.hession.HessianClientTest.main(HessianClientTest.java:25)

Caused by: com.caucho.hessian.io.HessianProtocolException: '<' is an unknown code

at com.caucho.hessian.client.HessianProxy.invoke(HessianProxy.java:219)

... 2 more

 

 

这个原因是版本问题：我的解决方案如下：

 

 

<dependency>

<groupId>com.caucho</groupId>

<artifactId>hessian</artifactId>

<!--  <version>4.0.7</version> -->

<version>3.1.3</version>

</dependency>