Plugin execution not covered by lifecycle configuration

[wongoo]

 <plugin>
	<groupId>com.jcabi</groupId>
	<artifactId>jcabi-maven-plugin</artifactId>
	<version>1.0-SNAPSHOT</version>
	<executions>
		<execution>
			<goals>
				<goal>ajc</goal>
			</goals>
		</execution>
	</executions>
</plugin>

Eclipse has error:
Plugin execution not covered by lifecycle configuration: com.jcabi:jcabi-maven-plugin:1.0-SNAPSHOT:ajc (execution: default, phase: process-classes)

[dmarkov]

@yegor256 please dispatch this issue