'

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.cauchogroupId>

<artifactId>hessianartifactId>

<version>3.1.3version>

dependency>