override osgi.core version
<artifactId>ops4j-base-util-property</artifactId>
<version>${ops4j.version}</version>
</dependency>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.core</artifactId>
+ <version>${osgi.core.version}</version>
+ </dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
