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Posted to commits@tajo.apache.org by hy...@apache.org on 2013/03/25 10:23:04 UTC

[04/12] TAJO-2: remove all @author tags and update license header (hyunsik)

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/parser/TestQueryAnalyzer.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/parser/TestQueryAnalyzer.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/parser/TestQueryAnalyzer.java
index c6d4b21..dbfe71b 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/parser/TestQueryAnalyzer.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/parser/TestQueryAnalyzer.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/plan/global/TestGlobalQueryPlanner.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/plan/global/TestGlobalQueryPlanner.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/plan/global/TestGlobalQueryPlanner.java
index f78ca89..2af74bb 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/plan/global/TestGlobalQueryPlanner.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/plan/global/TestGlobalQueryPlanner.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalNode.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalNode.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalNode.java
index 618963c..8149e4d 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalNode.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalNode.java
@@ -1,13 +1,28 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.engine.planner;
 
 import tajo.engine.planner.logical.LogicalNode;
 
 import static org.junit.Assert.assertEquals;
 
-/**
- * @author Hyunsik Choi
- */
-public class TestLogicalNode {  
+public class TestLogicalNode {
   public static final void testCloneLogicalNode(LogicalNode n1) 
       throws CloneNotSupportedException {
     LogicalNode copy = (LogicalNode) n1.clone();

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalOptimizer.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalOptimizer.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalOptimizer.java
index 8e105b2..1b5fd19 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalOptimizer.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalOptimizer.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.engine.planner;
 
 import org.apache.hadoop.fs.Path;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalPlanner.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalPlanner.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalPlanner.java
index ac7b25a..0c8ec4f 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalPlanner.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestLogicalPlanner.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -49,9 +47,6 @@ import java.util.*;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-/**
- * @author Hyunsik Choi
- */
 public class TestLogicalPlanner {
   private static TajoTestingCluster util;
   private static CatalogService catalog;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestPlannerUtil.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestPlannerUtil.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestPlannerUtil.java
index 176b99f..1b311ab 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestPlannerUtil.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestPlannerUtil.java
@@ -1,21 +1,19 @@
-/*
- *  Copyright 2012 Database Lab., Korea Univ.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package tajo.engine.planner;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestUniformRangePartition.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestUniformRangePartition.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestUniformRangePartition.java
index 7dc77e4..e436c7b 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestUniformRangePartition.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/TestUniformRangePartition.java
@@ -1,7 +1,11 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/global/TestGlobalQueryOptimizer.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/global/TestGlobalQueryOptimizer.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/global/TestGlobalQueryOptimizer.java
index 9be7ae4..fae28f7 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/global/TestGlobalQueryOptimizer.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/global/TestGlobalQueryOptimizer.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestReceiveNode.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestReceiveNode.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestReceiveNode.java
index 513868d..7557bc9 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestReceiveNode.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestReceiveNode.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.engine.planner.logical.extended;
 
 import com.google.common.collect.Lists;
@@ -9,9 +27,6 @@ import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
-/**
- * @author Hyunsik Choi
- */
 public class TestReceiveNode {
   @Test
   public final void testReceiveNode() throws CloneNotSupportedException {

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestSendNode.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestSendNode.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestSendNode.java
index 6946efe..d154896 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestSendNode.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/logical/extended/TestSendNode.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.engine.planner.logical.extended;
 
 import org.junit.Test;
@@ -7,9 +25,6 @@ import java.net.URI;
 
 import static org.junit.Assert.assertEquals;
 
-/**
- * @author Hyunsik Choi
- */
 public class TestSendNode {
   @Test
   public final void testSendNode() throws CloneNotSupportedException {

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBNLJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBNLJoinExec.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBNLJoinExec.java
index e93caa0..ea74a8c 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBNLJoinExec.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBNLJoinExec.java
@@ -1,7 +1,11 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBSTIndexExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBSTIndexExec.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBSTIndexExec.java
index 659f979..cff7f7f 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBSTIndexExec.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestBSTIndexExec.java
@@ -1,7 +1,11 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestExternalSortExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestExternalSortExec.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestExternalSortExec.java
index 5fff2d9..b43c80a 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestExternalSortExec.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestExternalSortExec.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashJoinExec.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashJoinExec.java
index 206fc5f..47f743c 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashJoinExec.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashJoinExec.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashPartitioner.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashPartitioner.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashPartitioner.java
index 514d1e9..dd2f53b 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashPartitioner.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestHashPartitioner.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.engine.planner.physical;
 
 import org.junit.After;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestMergeJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestMergeJoinExec.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestMergeJoinExec.java
index 0a4dafb..46d264b 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestMergeJoinExec.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestMergeJoinExec.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestNLJoinExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestNLJoinExec.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestNLJoinExec.java
index 61f2c86..f8b8877 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestNLJoinExec.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestNLJoinExec.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestPhysicalPlanner.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestPhysicalPlanner.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestPhysicalPlanner.java
index 84a383b..6b8496a 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestPhysicalPlanner.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestPhysicalPlanner.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestSortExec.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestSortExec.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestSortExec.java
index a9a6b0d..694875f 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestSortExec.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/planner/physical/TestSortExec.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestGroupByQuery.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestGroupByQuery.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestGroupByQuery.java
index bce1abd..f1655bc 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestGroupByQuery.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestGroupByQuery.java
@@ -1,21 +1,19 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package tajo.engine.query;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestJoinQuery.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestJoinQuery.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestJoinQuery.java
index d683315..64c4ccb 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestJoinQuery.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestJoinQuery.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.engine.query;
 
 import com.google.common.collect.Maps;
@@ -17,9 +35,6 @@ import java.util.Map;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-/**
- * @author Hyunsik Choi
- */
 @Category(IntegrationTest.class)
 public class TestJoinQuery {
   static TpchTestBase tpch;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestNullValues.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestNullValues.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestNullValues.java
index d6a4981..167b15e 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestNullValues.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestNullValues.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestResultSetImpl.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestResultSetImpl.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestResultSetImpl.java
index 0f020af..f1f09ef 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestResultSetImpl.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestResultSetImpl.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSelectQuery.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSelectQuery.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSelectQuery.java
index 5fb25c5..fb60751 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSelectQuery.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSelectQuery.java
@@ -1,21 +1,19 @@
-/*
- *  Copyright 2012 Database Lab., Korea Univ.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package tajo.engine.query;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSortQuery.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSortQuery.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSortQuery.java
index 4f1c3a5..81a9fe7 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSortQuery.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/query/TestSortQuery.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -28,9 +30,6 @@ import java.sql.ResultSet;
 
 import static org.junit.Assert.*;
 
-/**
- * @author Hyunsik Choi
- */
 @Category(IntegrationTest.class)
 public class TestSortQuery {
   static TpchTestBase tpch;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/engine/util/TestTupleUtil.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/util/TestTupleUtil.java b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/util/TestTupleUtil.java
index 8133b3d..9a23083 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/engine/util/TestTupleUtil.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/engine/util/TestTupleUtil.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.engine.util;
 
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/master/TestRepartitioner.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/master/TestRepartitioner.java b/tajo-core/tajo-core-backend/src/test/java/tajo/master/TestRepartitioner.java
index fc641f7..ca3e870 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/master/TestRepartitioner.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/master/TestRepartitioner.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestFragment.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestFragment.java b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestFragment.java
index 11ab9be..87a45ed 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestFragment.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestFragment.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.storage;
 
 import com.google.common.collect.Sets;
@@ -11,7 +29,6 @@ import tajo.catalog.TableMeta;
 import tajo.catalog.proto.CatalogProtos.DataType;
 import tajo.catalog.proto.CatalogProtos.StoreType;
 import tajo.engine.json.GsonCreator;
-import tajo.storage.Fragment;
 
 import java.util.Arrays;
 import java.util.SortedSet;
@@ -19,11 +36,6 @@ import java.util.SortedSet;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-/**
- * 
- * @author Hyunsik Choi
- *
- */
 public class TestFragment {
   private Schema schema1;
   private TableMeta meta1;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHCFile.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHCFile.java b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHCFile.java
index cde1aef..aa4e9f0 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHCFile.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHCFile.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHColumnReader.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHColumnReader.java b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHColumnReader.java
index 0a85ceb..df72f39 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHColumnReader.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestHColumnReader.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestRowFile.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestRowFile.java b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestRowFile.java
index 61abe24..4e98d8b 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestRowFile.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/storage/TestRowFile.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/webapp/TestHttpServer.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/webapp/TestHttpServer.java b/tajo-core/tajo-core-backend/src/test/java/tajo/webapp/TestHttpServer.java
index 2afbcc1..2ec589b 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/webapp/TestHttpServer.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/webapp/TestHttpServer.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -34,9 +36,6 @@ import java.util.Random;
 
 import static org.junit.Assert.assertTrue;
 
-/**
- * @author Hyunsik Choi
- */
 public class TestHttpServer {
   private static HttpServer server;  
   private final static Random rnd = new Random();

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/worker/SlowFunc.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/SlowFunc.java b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/SlowFunc.java
index 049a562..a6f2a3a 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/SlowFunc.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/SlowFunc.java
@@ -1,6 +1,21 @@
 /**
- * 
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
+
 package tajo.worker;
 
 import org.mortbay.log.Log;
@@ -11,10 +26,6 @@ import tajo.catalog.proto.CatalogProtos.DataType;
 import tajo.datum.Datum;
 import tajo.storage.Tuple;
 
-/**
- * @author hyunsik
- * 
- */
 public class SlowFunc extends AggFunction {
   private Datum param;
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TaskRunnerTest.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TaskRunnerTest.java b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TaskRunnerTest.java
index 28c5079..131e797 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TaskRunnerTest.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TaskRunnerTest.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestFetcher.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestFetcher.java b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestFetcher.java
index 87bb166..9037e10 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestFetcher.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestFetcher.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.worker;
 
 import org.apache.hadoop.fs.FileStatus;
@@ -21,9 +39,6 @@ import java.util.Random;
 
 import static org.junit.Assert.assertEquals;
 
-/** 
- * @author Hyunsik Choi
- */
 public class TestFetcher {
   private String TEST_DATA = "target/test-data/TestFetcher";
   private String INPUT_DIR = TEST_DATA+"/in/";

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestRangeRetrieverHandler.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestRangeRetrieverHandler.java b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestRangeRetrieverHandler.java
index f3d87b2..f32f756 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestRangeRetrieverHandler.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/TestRangeRetrieverHandler.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpDataServer.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpDataServer.java b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpDataServer.java
index 4f6af00..7261534 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpDataServer.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpDataServer.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.worker.dataserver;
 
 import org.apache.hadoop.net.NetUtils;
@@ -18,9 +36,6 @@ import java.util.Random;
 
 import static org.junit.Assert.assertTrue;
 
-/**
- * @author Hyunsik Choi
- */
 public class TestHttpDataServer {
   private String TEST_DATA = "target/test-data/TestHttpDataServer";
   

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpUtil.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpUtil.java b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpUtil.java
index 72edae0..e32630c 100644
--- a/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpUtil.java
+++ b/tajo-core/tajo-core-backend/src/test/java/tajo/worker/dataserver/TestHttpUtil.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.worker.dataserver;
 
 import com.google.common.collect.Maps;
@@ -9,9 +27,6 @@ import java.util.Map;
 
 import static org.junit.Assert.assertEquals;
 
-/**
- * @author Hyunsik Choi
- */
 public class TestHttpUtil {
   private URI uri = URI.create("http://127.0.0.1:80/?key1=val1&key2=val2");
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/resources/catalog-default.xml
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/resources/catalog-default.xml b/tajo-core/tajo-core-backend/src/test/resources/catalog-default.xml
index 8fffea7..e7e46b1 100644
--- a/tajo-core/tajo-core-backend/src/test/resources/catalog-default.xml
+++ b/tajo-core/tajo-core-backend/src/test/resources/catalog-default.xml
@@ -2,11 +2,13 @@
 <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
 
 <!--
-  Copyright 2012 Database Lab., Korea Univ.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
 
       http://www.apache.org/licenses/LICENSE-2.0
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/resources/log4j.properties
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/resources/log4j.properties b/tajo-core/tajo-core-backend/src/test/resources/log4j.properties
index 86f7ff9..ad07100 100644
--- a/tajo-core/tajo-core-backend/src/test/resources/log4j.properties
+++ b/tajo-core/tajo-core-backend/src/test/resources/log4j.properties
@@ -1,14 +1,20 @@
-#   Licensed under the Apache License, Version 2.0 (the "License");
-#   you may not use this file except in compliance with the License.
-#   You may obtain a copy of the License at
+##
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
 #
-#       http://www.apache.org/licenses/LICENSE-2.0
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 #
-#   Unless required by applicable law or agreed to in writing, software
-#   distributed under the License is distributed on an "AS IS" BASIS,
-#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#   See the License for the specific language governing permissions and
-#   limitations under the License.
 
 # log4j configuration used during build and unit tests
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/resources/tajo-default.xml
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/resources/tajo-default.xml b/tajo-core/tajo-core-backend/src/test/resources/tajo-default.xml
index 21f47a3..c003637 100644
--- a/tajo-core/tajo-core-backend/src/test/resources/tajo-default.xml
+++ b/tajo-core/tajo-core-backend/src/test/resources/tajo-default.xml
@@ -1,6 +1,24 @@
 <?xml version="1.0"?>
 <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
 
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+
 <configuration>
   <property>
     <name>tajo.cluster.distributed</name>

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/WEB-INF/web.xml
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/WEB-INF/web.xml b/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/WEB-INF/web.xml
index b8f6fac..748947d 100644
--- a/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/WEB-INF/web.xml
+++ b/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/WEB-INF/web.xml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+
 <web-app>
   <display-name>TestHttpServer</display-name>
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/index.html
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/index.html b/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/index.html
index 08430ef..fc79d65 100644
--- a/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/index.html
+++ b/tajo-core/tajo-core-backend/src/test/resources/webapps/TestHttpServer/index.html
@@ -1,3 +1,21 @@
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+
 <html>
 <body>
 TestHttpServlet-120221

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-backend/src/test/resources/yarn-site.xml
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-backend/src/test/resources/yarn-site.xml b/tajo-core/tajo-core-backend/src/test/resources/yarn-site.xml
index 26a12bd..440d315 100644
--- a/tajo-core/tajo-core-backend/src/test/resources/yarn-site.xml
+++ b/tajo-core/tajo-core-backend/src/test/resources/yarn-site.xml
@@ -1,9 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
 <!--
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
 
       http://www.apache.org/licenses/LICENSE-2.0
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/pom.xml
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/pom.xml b/tajo-core/tajo-core-pullserver/pom.xml
index 48a44cb..c10fee9 100644
--- a/tajo-core/tajo-core-pullserver/pom.xml
+++ b/tajo-core/tajo-core-pullserver/pom.xml
@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright 2012 Database Lab., Korea Univ.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
 
       http://www.apache.org/licenses/LICENSE-2.0
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FadvisedFileRegion.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FadvisedFileRegion.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FadvisedFileRegion.java
index abf8d40..6c25115 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FadvisedFileRegion.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FadvisedFileRegion.java
@@ -1,9 +1,11 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FileAccessForbiddenException.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FileAccessForbiddenException.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FileAccessForbiddenException.java
index d1e8e95..4410214 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FileAccessForbiddenException.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/FileAccessForbiddenException.java
@@ -1,10 +1,25 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.pullserver;
 
 import java.io.IOException;
 
-/**
- * @author Hyunsik Choi
- */
 public class FileAccessForbiddenException extends IOException {
   private static final long serialVersionUID = -3383272565826389213L;
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerHandler.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerHandler.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerHandler.java
index f067862..4a6af87 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerHandler.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerHandler.java
@@ -1,7 +1,11 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -44,9 +48,6 @@ import static org.jboss.netty.handler.codec.http.HttpMethod.GET;
 import static org.jboss.netty.handler.codec.http.HttpResponseStatus.*;
 import static org.jboss.netty.handler.codec.http.HttpVersion.HTTP_1_1;
 
-/**
- * @author Hyunsik Choi
- */
 public class HttpDataServerHandler extends SimpleChannelUpstreamHandler {
   private final static Log LOG = LogFactory.getLog(HttpDataServerHandler.class);
 

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerPipelineFactory.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerPipelineFactory.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerPipelineFactory.java
index 109516b..6527fe5 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerPipelineFactory.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpDataServerPipelineFactory.java
@@ -1,7 +1,11 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -23,9 +27,6 @@ import org.jboss.netty.handler.stream.ChunkedWriteHandler;
 
 import static org.jboss.netty.channel.Channels.pipeline;
 
-/**
- * @author Hyunsik Choi
- */
 public class HttpDataServerPipelineFactory implements ChannelPipelineFactory {
   private String userName;
   private String appId;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpUtil.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpUtil.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpUtil.java
index dd1485d..677e37d 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpUtil.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/HttpUtil.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.pullserver;
 
 import com.google.common.collect.Maps;
@@ -7,9 +25,6 @@ import java.net.URI;
 import java.net.URLEncoder;
 import java.util.Map;
 
-/**
- * @author  Hyunsik Choi
- */
 public class HttpUtil {
   public static Map<String,String> getParams(URI uri) throws UnsupportedEncodingException {
     return getParamsFromQuery(uri.getQuery());

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/PullServerAuxService.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/PullServerAuxService.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/PullServerAuxService.java
index a817418..63d3568 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/PullServerAuxService.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/PullServerAuxService.java
@@ -1,7 +1,11 @@
-/*
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/AdvancedDataRetriever.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/AdvancedDataRetriever.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/AdvancedDataRetriever.java
index e68708a..409ce79 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/AdvancedDataRetriever.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/AdvancedDataRetriever.java
@@ -1,6 +1,21 @@
 /**
- * 
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
+
 package tajo.pullserver.retriever;
 
 import com.google.common.collect.Lists;
@@ -24,9 +39,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-/**
- * @author Hyunsik Choi
- */
 public class AdvancedDataRetriever implements DataRetriever {
   private final Log LOG = LogFactory.getLog(AdvancedDataRetriever.class);
   private final Map<String, RetrieverHandler> handlerMap = Maps.newConcurrentMap();

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DataRetriever.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DataRetriever.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DataRetriever.java
index 6752eab..0f6e705 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DataRetriever.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DataRetriever.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.pullserver.retriever;
 
 import org.jboss.netty.channel.ChannelHandlerContext;
@@ -5,10 +23,7 @@ import org.jboss.netty.handler.codec.http.HttpRequest;
 
 import java.io.IOException;
 
-/**
- * @author Hyunsik Choi
- */
-public interface DataRetriever {  
+public interface DataRetriever {
   FileChunk [] handle(ChannelHandlerContext ctx, HttpRequest request)
       throws IOException;
 }

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DirectoryRetriever.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DirectoryRetriever.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DirectoryRetriever.java
index 54bfddd..6ca0b0b 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DirectoryRetriever.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/DirectoryRetriever.java
@@ -1,6 +1,21 @@
 /**
- * 
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
+
 package tajo.pullserver.retriever;
 
 import org.jboss.netty.channel.ChannelHandlerContext;
@@ -12,9 +27,6 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 
-/**
- * @author Hyunsik Choi
- */
 public class DirectoryRetriever implements DataRetriever {
   public String baseDir;
   

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/FileChunk.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/FileChunk.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/FileChunk.java
index 9342084..c52c8d1 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/FileChunk.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/FileChunk.java
@@ -1,11 +1,26 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.pullserver.retriever;
 
 import java.io.File;
 import java.io.FileNotFoundException;
 
-/**
- * @author Hyunsik Choi
- */
 public class FileChunk {
   private final File file;
   public final long startOffset;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/RetrieverHandler.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/RetrieverHandler.java b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/RetrieverHandler.java
index 196e80f..bfef270 100644
--- a/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/RetrieverHandler.java
+++ b/tajo-core/tajo-core-pullserver/src/main/java/tajo/pullserver/retriever/RetrieverHandler.java
@@ -1,12 +1,27 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.pullserver.retriever;
 
 import java.io.IOException;
 import java.util.List;
 import java.util.Map;
 
-/**
- * @author Hyunsik Choi
- */
 public interface RetrieverHandler {
   /**
    *

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-pullserver/src/main/resources/tajo-default.xml
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-pullserver/src/main/resources/tajo-default.xml b/tajo-core/tajo-core-pullserver/src/main/resources/tajo-default.xml
index 21f47a3..c003637 100644
--- a/tajo-core/tajo-core-pullserver/src/main/resources/tajo-default.xml
+++ b/tajo-core/tajo-core-pullserver/src/main/resources/tajo-default.xml
@@ -1,6 +1,24 @@
 <?xml version="1.0"?>
 <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
 
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+
 <configuration>
   <property>
     <name>tajo.cluster.distributed</name>

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-storage/src/main/java/tajo/storage/Appender.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-storage/src/main/java/tajo/storage/Appender.java b/tajo-core/tajo-core-storage/src/main/java/tajo/storage/Appender.java
index 8a32841..e701e3f 100644
--- a/tajo-core/tajo-core-storage/src/main/java/tajo/storage/Appender.java
+++ b/tajo-core/tajo-core-storage/src/main/java/tajo/storage/Appender.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package tajo.storage;
 
 import tajo.catalog.statistics.TableStat;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-storage/src/main/java/tajo/storage/CSVFile.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-storage/src/main/java/tajo/storage/CSVFile.java b/tajo-core/tajo-core-storage/src/main/java/tajo/storage/CSVFile.java
index 31bee3e..1311f7f 100644
--- a/tajo-core/tajo-core-storage/src/main/java/tajo/storage/CSVFile.java
+++ b/tajo-core/tajo-core-storage/src/main/java/tajo/storage/CSVFile.java
@@ -1,19 +1,19 @@
-/*
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package tajo.storage;

http://git-wip-us.apache.org/repos/asf/incubator-tajo/blob/457fea18/tajo-core/tajo-core-storage/src/main/java/tajo/storage/FileAppender.java
----------------------------------------------------------------------
diff --git a/tajo-core/tajo-core-storage/src/main/java/tajo/storage/FileAppender.java b/tajo-core/tajo-core-storage/src/main/java/tajo/storage/FileAppender.java
index bc362b1..9c2a84c 100644
--- a/tajo-core/tajo-core-storage/src/main/java/tajo/storage/FileAppender.java
+++ b/tajo-core/tajo-core-storage/src/main/java/tajo/storage/FileAppender.java
@@ -1,6 +1,4 @@
-/*
- * Copyright 2012 Database Lab., Korea Univ.
- *
+/**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information