SSH $ proxy x cannot be cast to cause

First, I have a abstractservice parent class. The sub-class userservice inherits this parent class and does not write the userservice interface (iuserservice ). Then use the following in useraction:

User u = (userservice) springutils. getbean ("userservice"). querybyusername (model );

User u = (userservice) getservice (). querybyusername (model );

$ Proxy x cannot be cast .... .

Then I added the iuserservice interface, which implements iuserservice;

Then the test is successful!

The reason found on the internet is: annotation transactions are implemented by AOP, and AOP requires interfaces.

 

There is also a solution:

Set the property of beannameautoproxycreater's proxytargetclass to true, which means to force the cglib proxy, provided that you have added the cglib package to the project.

 

Add the following to the spring configuration file:

<! -- Proxy-target-class = "true" class-based proxy will take effect (cglib library is required ). -->
<TX: annotation-driven transaction-Manager = "txmanager" proxy-target-class = "true"/>