diff --git a/examples/bin/examples/indexing/wikipedia_hadoop_config.json b/examples/bin/examples/indexing/wikipedia_hadoop_config.json
index 964016405c4..1d444baf87a 100644
--- a/examples/bin/examples/indexing/wikipedia_hadoop_config.json
+++ b/examples/bin/examples/indexing/wikipedia_hadoop_config.json
@@ -79,4 +79,4 @@
       "targetPartitionSize": 5000000
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/bin/examples/indexing/wikipedia_index_hadoop_task.json b/examples/bin/examples/indexing/wikipedia_index_hadoop_task.json
index 3374f00ada3..e406b2a8c73 100644
--- a/examples/bin/examples/indexing/wikipedia_index_hadoop_task.json
+++ b/examples/bin/examples/indexing/wikipedia_index_hadoop_task.json
@@ -73,4 +73,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/bin/examples/indexing/wikipedia_index_task.json b/examples/bin/examples/indexing/wikipedia_index_task.json
index 3b64bbde635..eae17e47444 100644
--- a/examples/bin/examples/indexing/wikipedia_index_task.json
+++ b/examples/bin/examples/indexing/wikipedia_index_task.json
@@ -73,4 +73,4 @@
       "rowFlushBoundary": 0
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json b/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json
index e4c76b2248d..cd9f0cdd7f4 100644
--- a/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json
+++ b/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json
@@ -89,4 +89,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/bin/examples/indexing/wikipedia_realtime_task.json b/examples/bin/examples/indexing/wikipedia_realtime_task.json
index 7110fa4de0d..8f78341839e 100644
--- a/examples/bin/examples/indexing/wikipedia_realtime_task.json
+++ b/examples/bin/examples/indexing/wikipedia_realtime_task.json
@@ -110,4 +110,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/bin/examples/twitter/query.body b/examples/bin/examples/twitter/query.body
index b8d4736b190..1d57009c0d0 100644
--- a/examples/bin/examples/twitter/query.body
+++ b/examples/bin/examples/twitter/query.body
@@ -21,4 +21,4 @@
   "intervals": [
     "2012-10-01T00:00\/2020-01-01T00"
   ]
-}
\ No newline at end of file
+}
diff --git a/examples/bin/examples/twitter/search_query.body b/examples/bin/examples/twitter/search_query.body
index 32716deaed4..94d467adcc8 100644
--- a/examples/bin/examples/twitter/search_query.body
+++ b/examples/bin/examples/twitter/search_query.body
@@ -18,4 +18,4 @@
   "intervals": [
     "2012-10-01T00:00\/2020-01-01T00"
   ]
-}
\ No newline at end of file
+}
diff --git a/examples/bin/examples/twitter/twitter_realtime.spec b/examples/bin/examples/twitter/twitter_realtime.spec
index 5b56351662c..a452c764d94 100644
--- a/examples/bin/examples/twitter/twitter_realtime.spec
+++ b/examples/bin/examples/twitter/twitter_realtime.spec
@@ -116,4 +116,4 @@
       }
     }
   }
-]
\ No newline at end of file
+]
diff --git a/examples/bin/examples/wikipedia/query.body b/examples/bin/examples/wikipedia/query.body
index 8ff00386a05..41f21f0bd1c 100644
--- a/examples/bin/examples/wikipedia/query.body
+++ b/examples/bin/examples/wikipedia/query.body
@@ -22,3 +22,4 @@
       "2013-06-01T00:00/2020-01-01T00"
    ]
 }
+
diff --git a/examples/bin/examples/wikipedia/wikipedia_realtime.spec b/examples/bin/examples/wikipedia/wikipedia_realtime.spec
index 93e4409ad38..bc82a492ed1 100644
--- a/examples/bin/examples/wikipedia/wikipedia_realtime.spec
+++ b/examples/bin/examples/wikipedia/wikipedia_realtime.spec
@@ -108,3 +108,4 @@
     }
   }
 }]
+