@Override
 protected void tearDown() throws Exception {
   super.tearDown();
   Thread.sleep(100);
   Configuration conf = new Configuration();
   Path dir = new Path("hdfs://localhost:9000/tmp/test");
   FileSystem fs = FileSystem.get(dir.toUri(), conf);
   fs.delete(dir, true);
 }
 /** @throws java.lang.Exception */
 @After
 public void tearDown() throws Exception {
   CamelBlueprintHelper.disposeBundleContext(bundleContext);
   CamelTestSupport.deleteDirectory("target/bundles");
 }