private ServiceTracker processMarshallerTracker;
public void start(BundleContext bc) throws Exception {
logger.info( "registering compiler services" );
this.kbuilderReg = bc.registerService( new String[]{KnowledgeBuilderFactoryService.class.getName(), Service.class.getName()},
new KnowledgeBuilderFactoryServiceImpl(),
new Hashtable() );
this.dtableTracker = new ServiceTracker( bc,
bc.createFilter( "(|(" +
Constants.OBJECTCLASS + "=" +