I've read Activiti User Guide and Activiti Forum. And there to throw new event uses signalEventReceived(String) method of RuntimeService.
Problem:
There is no such method in org.activiti.engine.RuntimeService!
My configurations:
pom.xml
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-engine</artifactId>
<version>5.1</version>
</dependency>
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-spring</artifactId>
<version>5.1</version>
</dependency>