publishBundleServices( BundleContext ) - bundleContext is null?

Activator.java

package edu.gettysburg.nkeiter.override.com.dotmarketing.factories.osgi;

import com.dotmarketing.factories.EmailFactory;
import com.dotmarketing.osgi.GenericBundleActivator;
import com.dotmarketing.util.Logger;

import org.osgi.framework.BundleContext;

public class Activator extends GenericBundleActivator
{
    @Override
    public void start( BundleContext bundleContext ) throws Exception
    {
		Logger.info( this, "Got to start( BundleContext )" );
		
        //Publishing bundle services...
        publishBundleServices( bundleContext );
        
        //Verify the override.
        EmailFactory.verifyOverride();
    }

    @Override
    public void stop( BundleContext bundleContext ) throws Exception
    {
		Logger.info( this, "Got to stop( BundleContext )" );
		
        unregisterViewToolServices();
    }
}

build.gradle

apply plugin: 'application'
apply plugin: 'osgi'
apply plugin: 'war'
apply plugin: 'eclipse'

sourceCompatibility = '1.7'
version = '1.0'


repositories {
	maven {
        url "http://repo.dotcms.com/artifactory/libs-release"
    }
}

dependencies {
	compile fileTree(dir: 'src/main/resources/libs', include: '*.jar')
	compile (group: 'com.dotcms', name: 'dotcms', version: '2.5.3'){
		transitive = true
	}
	providedCompile "javax.servlet:servlet-api:2.5"
}

jar {
    manifest {
        name = 'Override of com.dotmarketing.factories.EmailFactory'
        symbolicName = 'Override of com.dotmarketing.factories.EmailFactory'
        instruction 'Bundle-Vendor', 'nkeiter'
        instruction 'Bundle-Description', 'nkeiter - Override of com.dotmarketing.factories.EmailFactory'
        instruction 'Bundle-DocURL', 'http://www.gettysburg.edu'
        instruction 'Bundle-Activator', 'edu.gettysburg.nkeiter.override.com.dotmarketing.factories.osgi.Activator'
        instruction 'Override-Classes', 'com.dotmarketing.factories.EmailFactory'
        instruction 'DynamicImport-Package', '*'
        instruction 'Import-Package', '*;version=0'
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.1'
}

dotcms.log

[30/01/15 14:16:34:744 EST]  INFO osgi.Activator: Got to start( BundleContext )
[30/01/15 14:16:34:799 EST] ERROR osgi.Activator: Error injecting context for overriding
java.lang.NullPointerException
          at com.dotmarketing.osgi.UrlOsgiClassLoader.<init>(UrlOsgiClassLoader.java:46)
          at com.dotmarketing.osgi.GenericBundleActivator.injectContext(GenericBundleActivator.java:274)
          at com.dotmarketing.osgi.GenericBundleActivator.injectContext(GenericBundleActivator.java:241)
          at com.dotmarketing.osgi.GenericBundleActivator.publishBundleServices(GenericBundleActivator.java:124)
          at edu.gettysburg.nkeiter.override.com.dotmarketing.factories.osgi.Activator.start(Activator.java:17)
          at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:645)
          at org.apache.felix.framework.Felix.activateBundle(Felix.java:2146)
          at org.apache.felix.framework.Felix.startBundle(Felix.java:2064)
          at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:955)
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:1175)
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:1153)
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:458)
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:263)

wrapper.log

INFO   | jvm 1    | 2015/01/30 14:21:03 | ERROR: Bundle Override of com.dotmarketing.factories.EmailFactory [45] Error starting/stopping bundle. (org.osgi.framework.BundleException: Activator start error in bundle Override of com.dotmarketing.factories.EmailFactory [45].)
INFO   | jvm 1    | 2015/01/30 14:21:03 | java.lang.NullPointerException
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at com.dotmarketing.osgi.UrlOsgiClassLoader.<init>(UrlOsgiClassLoader.java:46)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at com.dotmarketing.osgi.GenericBundleActivator.injectContext(GenericBundleActivator.java:274)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at com.dotmarketing.osgi.GenericBundleActivator.injectContext(GenericBundleActivator.java:241)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at com.dotmarketing.osgi.GenericBundleActivator.publishBundleServices(GenericBundleActivator.java:124)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at edu.gettysburg.nkeiter.override.com.dotmarketing.factories.osgi.Activator.start(Activator.java:17)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:645)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at org.apache.felix.framework.Felix.activateBundle(Felix.java:2146)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at org.apache.felix.framework.Felix.startBundle(Felix.java:2064)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at org.apache.felix.framework.Felix.setBundleStartLevel(Felix.java:1483)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:334)
INFO   | jvm 1    | 2015/01/30 14:21:03 |        at java.lang.Thread.run(Thread.java:744)