private void removeRepository(String instanceName) throws IOException, InterruptedException, InvalidSyntaxException {

        Configuration[] configs = listConfigurations("(factory.instance.pid=" + instanceName + ")");

        if ((configs != null) && (configs.length > 0)) {

            final Semaphore sem = new Semaphore(0);

            ServiceTracker<Object, Object> tracker = new ServiceTracker<Object, Object>(m_bundleContext, m_bundleContext.createFilter("(factory.instance.pid=" + instanceName + ")"), null) {

                @Override

                public void removedService(ServiceReference<Object> reference, Object service) {

                    super.removedService(reference, service);

                    sem.release();

                }

            };

            tracker.open();



            try {

                configs[0].delete();



                if (!sem.tryAcquire(1, TimeUnit.SECONDS)) {

                    throw new IOException("Instance did not get removed in time.");

                }

            }

            finally {

                tracker.close();

            }

        }

    }