The OSGI container started with error when doing test

Issue

We tried to test one of our Camel route in blueprint test env, but we always get such error.

org.osgi.framework.BundleException: Unable to start bundle
    at de.kalpatec.pojosr.framework.PojoSRBundle.start(PojoSRBundle.java:144)
    at de.kalpatec.pojosr.framework.PojoSR.startBundles(PojoSR.java:406)
    at de.kalpatec.pojosr.framework.PojoSR.<init>(PojoSR.java:323)
    at de.kalpatec.pojosr.framework.PojoServiceRegistryFactoryImpl.newPojoServiceRegistry(PojoServiceRegistryFactoryImpl.java:51)
    at org.apache.camel.test.blueprint.CamelBlueprintHelper.createBundleContext(CamelBlueprintHelper.java:137)
    at org.apache.camel.test.blueprint.CamelBlueprintHelper.createBundleContext(CamelBlueprintHelper.java:102)
    at org.apache.camel.test.blueprint.CamelBlueprintHelper.createBundleContext(CamelBlueprintHelper.java:90)
    at org.apache.camel.test.blueprint.CamelBlueprintHelper.createBundleContext(CamelBlueprintHelper.java:85)
    at org.apache.camel.test.blueprint.Main.createBundleContext(Main.java:140)
    at org.apache.camel.test.blueprint.Main.doStart(Main.java:102)
    at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61)
    at org.apache.camel.main.MainSupport.run(MainSupport.java:148)
    at org.apache.camel.main.MainSupport.run(MainSupport.java:343)
    at org.apache.camel.test.blueprint.Main.main(Main.java:81)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.camel.maven.RunMojo$1.run(RunMojo.java:486)
    at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.NoClassDefFoundError: org/osgi/service/log/LogService
    at org.apache.geronimo.mail.Activator.start(Activator.java:52)
    at de.kalpatec.pojosr.framework.PojoSRBundle.start(PojoSRBundle.java:132)
    ... 19 more
Caused by: java.lang.ClassNotFoundException: org.osgi.service.log.LogService
    at .URLClassLoader$1.run(URLClassLoader.java:366)
    at .URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at .URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 21 more