http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/errors/UnsupportedVersionException.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/errors/UnsupportedVersionException.java
 
b/clients/src/main/java/org/apache/kafka/common/errors/UnsupportedVersionException.java
index 3679be4..17bd71e 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/errors/UnsupportedVersionException.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/errors/UnsupportedVersionException.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.errors;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/errors/WakeupException.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/errors/WakeupException.java 
b/clients/src/main/java/org/apache/kafka/common/errors/WakeupException.java
index a2e718d..4726ec1 100644
--- a/clients/src/main/java/org/apache/kafka/common/errors/WakeupException.java
+++ b/clients/src/main/java/org/apache/kafka/common/errors/WakeupException.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.errors;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/internals/ClusterResourceListeners.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/internals/ClusterResourceListeners.java
 
b/clients/src/main/java/org/apache/kafka/common/internals/ClusterResourceListeners.java
index cab29cc..1209f38 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/internals/ClusterResourceListeners.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/internals/ClusterResourceListeners.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * the License. You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.kafka.common.internals;
 
 import org.apache.kafka.common.ClusterResource;

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/internals/FatalExitError.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/internals/FatalExitError.java 
b/clients/src/main/java/org/apache/kafka/common/internals/FatalExitError.java
index 4f23c4e..fd6810f 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/internals/FatalExitError.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/internals/FatalExitError.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.internals;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/internals/PartitionStates.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/internals/PartitionStates.java 
b/clients/src/main/java/org/apache/kafka/common/internals/PartitionStates.java
index 49823c0..605372c 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/internals/PartitionStates.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/internals/PartitionStates.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * the License. You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.kafka.common.internals;
 
 import org.apache.kafka.common.TopicPartition;

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/CompoundStat.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/CompoundStat.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/CompoundStat.java
index e0969aa..69f3efa 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/CompoundStat.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/CompoundStat.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/JmxReporter.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/JmxReporter.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/JmxReporter.java
index 6872049..52704d6 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/JmxReporter.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/JmxReporter.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/KafkaMetric.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/KafkaMetric.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/KafkaMetric.java
index 86014e5..1cd5b24 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/KafkaMetric.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/KafkaMetric.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/Measurable.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/Measurable.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/Measurable.java
index 79f61bc..d068895 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/Measurable.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/Measurable.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/MeasurableStat.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/MeasurableStat.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/MeasurableStat.java
index 27cc0db..aedac9a 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/MeasurableStat.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/MeasurableStat.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/MetricConfig.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/MetricConfig.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/MetricConfig.java
index 0766cc3..1fffee7 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/MetricConfig.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/MetricConfig.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java
----------------------------------------------------------------------
diff --git a/clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java
index 512c18e..3861d30 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/MetricsReporter.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/MetricsReporter.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/MetricsReporter.java
index ab75813..995bdaa 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/MetricsReporter.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/MetricsReporter.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/Quota.java
----------------------------------------------------------------------
diff --git a/clients/src/main/java/org/apache/kafka/common/metrics/Quota.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/Quota.java
index 663b963..e414133 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/Quota.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/Quota.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/QuotaViolationException.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/QuotaViolationException.java
 
b/clients/src/main/java/org/apache/kafka/common/metrics/QuotaViolationException.java
index 7e1a2c6..4c970f2 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/metrics/QuotaViolationException.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/metrics/QuotaViolationException.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/Sensor.java
----------------------------------------------------------------------
diff --git a/clients/src/main/java/org/apache/kafka/common/metrics/Sensor.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/Sensor.java
index e85b559..5ca9fce 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/Sensor.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/Sensor.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/Stat.java
----------------------------------------------------------------------
diff --git a/clients/src/main/java/org/apache/kafka/common/metrics/Stat.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/Stat.java
index d4cfa39..1ddf5be 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/Stat.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/Stat.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Avg.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Avg.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Avg.java
index a65dd28..a09ca5a 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Avg.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Avg.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Count.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Count.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Count.java
index 9ca3231..3da91c4 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Count.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Count.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Histogram.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Histogram.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Histogram.java
index c571b4b..7d4123e 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Histogram.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Histogram.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Max.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Max.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Max.java
index f0d741c..6d75454 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Max.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Max.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Min.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Min.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Min.java
index 5cfb535..7a18a2d 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Min.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Min.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentile.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentile.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentile.java
index fb741ae..f8ae3a1 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentile.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentile.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentiles.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentiles.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentiles.java
index df0ee4a..c4c8d39 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentiles.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Percentiles.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Rate.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Rate.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Rate.java
index c0dd10e..a56734c 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Rate.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Rate.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/SampledStat.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/SampledStat.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/SampledStat.java
index 58ea93f..18dd6f2 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/SampledStat.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/SampledStat.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/SimpleRate.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/SimpleRate.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/SimpleRate.java
index 018f084..69d44a8 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/SimpleRate.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/SimpleRate.java
@@ -1,13 +1,13 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
- * <p/>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p/>
+ * 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.

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Total.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Total.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Total.java
index 67999a9..b8a83f5 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Total.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Total.java
@@ -1,14 +1,18 @@
-/**
- * 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.
+/*
+ * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/metrics/stats/Value.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Value.java 
b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Value.java
index d83a023..deb81c7 100644
--- a/clients/src/main/java/org/apache/kafka/common/metrics/stats/Value.java
+++ b/clients/src/main/java/org/apache/kafka/common/metrics/stats/Value.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.metrics.stats;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/Authenticator.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/Authenticator.java 
b/clients/src/main/java/org/apache/kafka/common/network/Authenticator.java
index 0012f15..b242967 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/Authenticator.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/Authenticator.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * the License. You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.kafka.common.network;
 
 import java.io.Closeable;

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/ByteBufferReceive.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/ByteBufferReceive.java 
b/clients/src/main/java/org/apache/kafka/common/network/ByteBufferReceive.java
index 307eadf..5b0af02 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/network/ByteBufferReceive.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/network/ByteBufferReceive.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/ByteBufferSend.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/ByteBufferSend.java 
b/clients/src/main/java/org/apache/kafka/common/network/ByteBufferSend.java
index a7ba6bf..23a169f 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/ByteBufferSend.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/ByteBufferSend.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilder.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilder.java 
b/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilder.java
index 0b7c328..303d76f 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilder.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilder.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java 
b/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java
index 02fb5e8..5145be7 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java
@@ -1,16 +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
+/*
+ * 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 org.apache.kafka.common.network;
 
 import org.apache.kafka.common.config.AbstractConfig;

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/DefaultAuthenticator.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/DefaultAuthenticator.java
 
b/clients/src/main/java/org/apache/kafka/common/network/DefaultAuthenticator.java
index 650ad41..77d94a6 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/network/DefaultAuthenticator.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/network/DefaultAuthenticator.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * the License. You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.kafka.common.network;
 
 import java.security.Principal;

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/InvalidReceiveException.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/InvalidReceiveException.java
 
b/clients/src/main/java/org/apache/kafka/common/network/InvalidReceiveException.java
index a5bdd62..a56353a 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/network/InvalidReceiveException.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/network/InvalidReceiveException.java
@@ -1,12 +1,12 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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,

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/KafkaChannel.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/KafkaChannel.java 
b/clients/src/main/java/org/apache/kafka/common/network/KafkaChannel.java
index 9b05aeb..f1bf86c 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/KafkaChannel.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/KafkaChannel.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * the License. You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.kafka.common.network;
 
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/ListenerName.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/ListenerName.java 
b/clients/src/main/java/org/apache/kafka/common/network/ListenerName.java
index fad2ee2..1245b1f 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/ListenerName.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/ListenerName.java
@@ -1,12 +1,12 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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,

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/Mode.java
----------------------------------------------------------------------
diff --git a/clients/src/main/java/org/apache/kafka/common/network/Mode.java 
b/clients/src/main/java/org/apache/kafka/common/network/Mode.java
index 59ef712..6123970 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/Mode.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/Mode.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/MultiSend.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/MultiSend.java 
b/clients/src/main/java/org/apache/kafka/common/network/MultiSend.java
index 0285fe3..f77ff97 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/MultiSend.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/MultiSend.java
@@ -1,12 +1,12 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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,

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/NetworkReceive.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/NetworkReceive.java 
b/clients/src/main/java/org/apache/kafka/common/network/NetworkReceive.java
index 409775c..582f064 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/NetworkReceive.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/NetworkReceive.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/NetworkSend.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/NetworkSend.java 
b/clients/src/main/java/org/apache/kafka/common/network/NetworkSend.java
index 4201579..8820059 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/NetworkSend.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/NetworkSend.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/PlaintextChannelBuilder.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/PlaintextChannelBuilder.java
 
b/clients/src/main/java/org/apache/kafka/common/network/PlaintextChannelBuilder.java
index c573672..fb4f6ba 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/network/PlaintextChannelBuilder.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/network/PlaintextChannelBuilder.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/PlaintextTransportLayer.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/PlaintextTransportLayer.java
 
b/clients/src/main/java/org/apache/kafka/common/network/PlaintextTransportLayer.java
index 1135359..871b7ac 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/network/PlaintextTransportLayer.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/network/PlaintextTransportLayer.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * the License. You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.kafka.common.network;
 
 /*

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/Receive.java
----------------------------------------------------------------------
diff --git a/clients/src/main/java/org/apache/kafka/common/network/Receive.java 
b/clients/src/main/java/org/apache/kafka/common/network/Receive.java
index 57599f7..b7bbdb4 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/Receive.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/Receive.java
@@ -1,10 +1,10 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * 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
+ * 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/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/SaslChannelBuilder.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/SaslChannelBuilder.java 
b/clients/src/main/java/org/apache/kafka/common/network/SaslChannelBuilder.java
index 060f833..6b5668f 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/network/SaslChannelBuilder.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/network/SaslChannelBuilder.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/Selectable.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/Selectable.java 
b/clients/src/main/java/org/apache/kafka/common/network/Selectable.java
index 10ca632..6eca427 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/Selectable.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/Selectable.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/Selector.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/Selector.java 
b/clients/src/main/java/org/apache/kafka/common/network/Selector.java
index df35266..fd3ab47 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/Selector.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/Selector.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/Send.java
----------------------------------------------------------------------
diff --git a/clients/src/main/java/org/apache/kafka/common/network/Send.java 
b/clients/src/main/java/org/apache/kafka/common/network/Send.java
index 628fb29..c64193a 100644
--- a/clients/src/main/java/org/apache/kafka/common/network/Send.java
+++ b/clients/src/main/java/org/apache/kafka/common/network/Send.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

http://git-wip-us.apache.org/repos/asf/kafka/blob/d0e436c4/clients/src/main/java/org/apache/kafka/common/network/SslChannelBuilder.java
----------------------------------------------------------------------
diff --git 
a/clients/src/main/java/org/apache/kafka/common/network/SslChannelBuilder.java 
b/clients/src/main/java/org/apache/kafka/common/network/SslChannelBuilder.java
index 1d612bd..8e55d48 100644
--- 
a/clients/src/main/java/org/apache/kafka/common/network/SslChannelBuilder.java
+++ 
b/clients/src/main/java/org/apache/kafka/common/network/SslChannelBuilder.java
@@ -1,14 +1,18 @@
-/**
- * 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 org.apache.kafka.common.network;
 

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