How can use mine service on TaskListener?

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croc1

Hi
I want to use mine service interface on TaskListener?
the service in spring context
like this

@Component
public class ListenerK implements TaskListener{
   
   @Resource SysUserService sysUserService;
   
   public void notify(DelegateTask delegateTask) {
      System.out.println(sysUserService);
      
   }

}
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but the service is null.why?

croc1

<br><bean id="jServ" class="demo.JServ" /><br> <bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration"><br>&nbsp; <property name="dataSource" ref="dataSource" /><br>&nbsp; <property name="transactionManager" ref="transactionManager" /><br>&nbsp; <property name="databaseSchemaUpdate" value="true" /><br>&nbsp; <property name="jobExecutorActivate" value="false" /><br>&nbsp; <property name="beans"><br>&nbsp;&nbsp; <map><br>&nbsp;&nbsp;&nbsp; <entry key="jServ" value-ref="jServ" /><br>&nbsp;&nbsp; </map><br>&nbsp; </property><br> </bean><br>
also null…