SSM project, the class can not be used on Test Autowired inject bean problem

Use AutoWired notes in the test class has been unable to get to Bean, has been reported null pointer when calling for exception, I have tried to use AutoWired in other classes, the discovery can take effect. Question should be is in the Test class, back looking for a long finally found the problem! ! !

Solution:

　Add the following comment on the test class:

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext.xml")