http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestPartitionPruner.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestPartitionPruner.java
 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestPartitionPruner.java
index 3a5610f..c05083b 100644
--- 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestPartitionPruner.java
+++ 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestPartitionPruner.java
@@ -16,18 +16,18 @@
 // under the License.
 package org.apache.kudu.client;
 
+import static org.junit.Assert.assertEquals;
+
+import java.util.ArrayList;
+import java.util.List;
+
 import com.google.common.collect.ImmutableList;
+import org.junit.Test;
 
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.Schema;
 import org.apache.kudu.Type;
 import org.apache.kudu.client.KuduPredicate.ComparisonOp;
-import org.junit.Test;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import static org.junit.Assert.*;
 
 public class TestPartitionPruner extends BaseKuduTest {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestRemoteTablet.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRemoteTablet.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRemoteTablet.java
index ea77c27..22cfec0 100644
--- 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRemoteTablet.java
+++ 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRemoteTablet.java
@@ -16,15 +16,19 @@
 // under the License.
 package org.apache.kudu.client;
 
-import com.google.protobuf.ByteString;
-import org.apache.kudu.consensus.Metadata;
-import org.apache.kudu.master.Master;
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.Assert.*;
+import com.google.protobuf.ByteString;
+import org.junit.Test;
+
+import org.apache.kudu.consensus.Metadata;
+import org.apache.kudu.master.Master;
 
 public class TestRemoteTablet {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowErrors.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowErrors.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowErrors.java
index f4929b5..a488b76 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowErrors.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowErrors.java
@@ -16,14 +16,13 @@
 // under the License.
 package org.apache.kudu.client;
 
-import org.junit.BeforeClass;
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.util.List;
 
-import static org.junit.Assert.*;
-
-import com.google.common.collect.ImmutableList;
+import org.junit.BeforeClass;
+import org.junit.Test;
 
 public class TestRowErrors extends BaseKuduTest {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowResult.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowResult.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowResult.java
index 0db5b44..223ddc4 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowResult.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRowResult.java
@@ -16,16 +16,17 @@
 // under the License.
 package org.apache.kudu.client;
 
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.apache.kudu.Type;
-
-import java.nio.ByteBuffer;
-
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import java.nio.ByteBuffer;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import org.apache.kudu.Type;
+
 public class TestRowResult extends BaseKuduTest {
 
   // Generate a unique table name

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestRpcTraces.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRpcTraces.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRpcTraces.java
index 6e8842c..fb0887f 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestRpcTraces.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestRpcTraces.java
@@ -16,11 +16,13 @@
 // under the License.
 package org.apache.kudu.client;
 
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.util.List;
 
-import static org.junit.Assert.*;
+import org.junit.Test;
 
 public class TestRpcTraces {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestScanPredicate.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestScanPredicate.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestScanPredicate.java
index 8d6d06e..3af4dfe 100644
--- 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestScanPredicate.java
+++ 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestScanPredicate.java
@@ -17,20 +17,21 @@
 
 package org.apache.kudu.client;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.NavigableSet;
+import java.util.TreeSet;
+
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSortedSet;
 import org.junit.Assert;
 import org.junit.Test;
+
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.Schema;
 import org.apache.kudu.Type;
 import org.apache.kudu.client.KuduPredicate.ComparisonOp;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.NavigableSet;
-import java.util.TreeSet;
-
 public class TestScanPredicate extends BaseKuduTest {
 
   private Schema createTableSchema(Type type) {

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestScannerMultiTablet.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestScannerMultiTablet.java
 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestScannerMultiTablet.java
index 14454c0..1165ea4 100644
--- 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestScannerMultiTablet.java
+++ 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestScannerMultiTablet.java
@@ -16,19 +16,20 @@
 // under the License.
 package org.apache.kudu.client;
 
+import static org.apache.kudu.Type.STRING;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import java.util.ArrayList;
+
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
 import com.stumbleupon.async.Deferred;
-import org.apache.kudu.ColumnSchema;
-import org.apache.kudu.Schema;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import java.util.ArrayList;
-
-import static org.junit.Assert.assertNull;
-import static org.apache.kudu.Type.STRING;
-import static org.junit.Assert.assertEquals;
+import org.apache.kudu.ColumnSchema;
+import org.apache.kudu.Schema;
 
 public class TestScannerMultiTablet extends BaseKuduTest {
   // Generate a unique table name

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatistics.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatistics.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatistics.java
index 365f95e..fadbfde 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatistics.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatistics.java
@@ -16,11 +16,12 @@
 // under the License.
 package org.apache.kudu.client;
 
+import static org.junit.Assert.assertEquals;
+
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.apache.kudu.client.Statistics.Statistic;
 
-import static org.junit.Assert.assertEquals;
+import org.apache.kudu.client.Statistics.Statistic;
 
 public class TestStatistics extends BaseKuduTest {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatus.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatus.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatus.java
index dcd061a..2da9055 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatus.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestStatus.java
@@ -16,10 +16,11 @@
 // under the License.
 package org.apache.kudu.client;
 
-import org.junit.Test;
-import org.apache.kudu.client.Status;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
-import static org.junit.Assert.*;
+import org.junit.Test;
 
 public class TestStatus {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestTestUtils.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestTestUtils.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestTestUtils.java
index 856a5e5..ae164fe 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestTestUtils.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestTestUtils.java
@@ -16,10 +16,8 @@
 // under the License.
 package org.apache.kudu.client;
 
-import org.junit.After;
-import org.junit.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -27,8 +25,10 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.concurrent.atomic.AtomicLong;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import org.junit.After;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Tests for non-trivial helper methods in TestUtils.

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestTimeouts.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestTimeouts.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestTimeouts.java
index 12db70a..2a22ecd 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestTimeouts.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestTimeouts.java
@@ -19,7 +19,6 @@ package org.apache.kudu.client;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
-import com.stumbleupon.async.TimeoutException;
 import org.junit.Test;
 
 public class TestTimeouts extends BaseKuduTest {

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/client/TestUtils.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/client/TestUtils.java 
b/java/kudu-client/src/test/java/org/apache/kudu/client/TestUtils.java
index 6cdd23d..16a5497 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/client/TestUtils.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/client/TestUtils.java
@@ -16,18 +16,6 @@
 // under the License.
 package org.apache.kudu.client;
 
-import com.google.common.base.Joiner;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Lists;
-import com.google.protobuf.ByteString;
-import com.sun.security.auth.module.UnixSystem;
-import org.apache.kudu.Common;
-import org.apache.kudu.consensus.Metadata;
-import org.apache.kudu.master.Master;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import sun.management.VMManagement;
-
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -48,6 +36,19 @@ import java.nio.file.StandardCopyOption;
 import java.util.List;
 import java.util.Set;
 
+import com.google.common.base.Joiner;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Lists;
+import com.google.protobuf.ByteString;
+import com.sun.security.auth.module.UnixSystem;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import sun.management.VMManagement;
+
+import org.apache.kudu.Common;
+import org.apache.kudu.consensus.Metadata;
+import org.apache.kudu.master.Master;
+
 /**
  * A grouping of methods that help unit testing.
  */

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/util/TestAsyncUtil.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/util/TestAsyncUtil.java 
b/java/kudu-client/src/test/java/org/apache/kudu/util/TestAsyncUtil.java
index 2e82586..630dac5 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/util/TestAsyncUtil.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/util/TestAsyncUtil.java
@@ -16,14 +16,14 @@
 // under the License.
 package org.apache.kudu.util;
 
+import static org.junit.Assert.assertEquals;
+
 import com.stumbleupon.async.Callback;
 import com.stumbleupon.async.Deferred;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 
-import static org.junit.Assert.assertEquals;
-
 /**
  * Test for {@link AsyncUtil}.
  */

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/util/TestByteVec.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/util/TestByteVec.java 
b/java/kudu-client/src/test/java/org/apache/kudu/util/TestByteVec.java
index 8761512..f77258a 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/util/TestByteVec.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/util/TestByteVec.java
@@ -16,14 +16,16 @@
 // under the License.
 package org.apache.kudu.util;
 
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Random;
 
-import static org.junit.Assert.*;
+import org.junit.Test;
 
 public class TestByteVec {
   private static final Random RAND = new Random();

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/util/TestMurmurHash.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/util/TestMurmurHash.java 
b/java/kudu-client/src/test/java/org/apache/kudu/util/TestMurmurHash.java
index f095f6c..cf3ac22 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/util/TestMurmurHash.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/util/TestMurmurHash.java
@@ -16,12 +16,12 @@
 // under the License.
 package org.apache.kudu.util;
 
+import static org.junit.Assert.assertEquals;
+
 import com.google.common.primitives.UnsignedLongs;
 import com.sangupta.murmur.Murmur2;
 import org.junit.Test;
 
-import static org.junit.Assert.assertEquals;
-
 /**
  * Test Murmur2 Hash64 returns the expected values for inputs.
  *

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-client/src/test/java/org/apache/kudu/util/TestNetUtil.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-client/src/test/java/org/apache/kudu/util/TestNetUtil.java 
b/java/kudu-client/src/test/java/org/apache/kudu/util/TestNetUtil.java
index aa9f4b1..9f1f3b0 100644
--- a/java/kudu-client/src/test/java/org/apache/kudu/util/TestNetUtil.java
+++ b/java/kudu-client/src/test/java/org/apache/kudu/util/TestNetUtil.java
@@ -16,14 +16,17 @@
 // under the License.
 package org.apache.kudu.util;
 
-import com.google.common.net.HostAndPort;
-import org.junit.Test;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 import java.net.InetAddress;
 import java.util.Arrays;
 import java.util.List;
 
-import static org.junit.Assert.*;
+import com.google.common.net.HostAndPort;
+import org.junit.Test;
 
 /**
  * Test for {@link NetUtil}.

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducer.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducer.java
 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducer.java
index a3d6021..a139eb1 100644
--- 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducer.java
+++ 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducer.java
@@ -19,11 +19,6 @@
 
 package org.apache.kudu.flume.sink;
 
-import com.google.common.base.Preconditions;
-import com.google.common.cache.CacheBuilder;
-import com.google.common.cache.CacheLoader;
-import com.google.common.cache.LoadingCache;
-import com.google.common.util.concurrent.UncheckedExecutionException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URI;
@@ -33,6 +28,12 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.ExecutionException;
+
+import com.google.common.base.Preconditions;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+import com.google.common.util.concurrent.UncheckedExecutionException;
 import org.apache.avro.Schema;
 import org.apache.avro.generic.GenericDatumReader;
 import org.apache.avro.generic.GenericRecord;
@@ -45,14 +46,16 @@ import org.apache.flume.FlumeException;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.client.KuduTable;
 import org.apache.kudu.client.Operation;
 import org.apache.kudu.client.PartialRow;
 
 /**
- * <p>An Avro serializer that generates one operation per event by 
deserializing the event
+ * An Avro serializer that generates one operation per event by deserializing 
the event
  * body as an Avro record and mapping its fields to columns in a Kudu table.
+ *
  * <p><strong>Avro Kudu Operations Producer configuration parameters</strong>
  * <table cellpadding=3 cellspacing=0 border=1>
  * <tr><th>Property Name</th>
@@ -87,7 +90,7 @@ public class AvroKuduOperationsProducer implements 
KuduOperationsProducer {
   private String operation;
   private GenericRecord reuse;
   private KuduTable table;
-  private String defaultSchemaURL;
+  private String defaultSchemaUrl;
 
   /**
    * The binary decoder to reuse for event parsing.
@@ -157,7 +160,7 @@ public class AvroKuduOperationsProducer implements 
KuduOperationsProducer {
 
     String schemaPath = context.getString(SCHEMA_PROP);
     if (schemaPath != null) {
-      defaultSchemaURL = schemaPath;
+      defaultSchemaUrl = schemaPath;
     }
   }
 
@@ -250,26 +253,26 @@ public class AvroKuduOperationsProducer implements 
KuduOperationsProducer {
 
   private Schema getSchema(Event event) throws FlumeException {
     Map<String, String> headers = event.getHeaders();
-    String schemaURL = headers.get(SCHEMA_URL_HEADER);
+    String schemaUrl = headers.get(SCHEMA_URL_HEADER);
     String schemaLiteral = headers.get(SCHEMA_LITERAL_HEADER);
     try {
-      if (schemaURL != null) {
-        return schemasFromURL.get(schemaURL);
+      if (schemaUrl != null) {
+        return schemasFromURL.get(schemaUrl);
       } else if (schemaLiteral != null) {
         return schemasFromLiteral.get(schemaLiteral);
-      } else if (defaultSchemaURL != null) {
-        return schemasFromURL.get(defaultSchemaURL);
+      } else if (defaultSchemaUrl != null) {
+        return schemasFromURL.get(defaultSchemaUrl);
       } else {
         throw new FlumeException(
             String.format("No schema for event. " +
-                  "Specify configuration property '%s' or event header '%s'",
+                "Specify configuration property '%s' or event header '%s'",
                 SCHEMA_PROP,
                 SCHEMA_URL_HEADER));
       }
-    } catch (ExecutionException ex) {
-      throw new FlumeException("Cannot get schema", ex);
-    } catch (UncheckedExecutionException ex) {
-      throw new FlumeException("Cannot parse schema", ex);
+    } catch (ExecutionException e) {
+      throw new FlumeException("Cannot get schema", e);
+    } catch (UncheckedExecutionException e) {
+      throw new FlumeException("Cannot parse schema", e);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduOperationsProducer.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduOperationsProducer.java
 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduOperationsProducer.java
index 8816e95..b38f387 100644
--- 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduOperationsProducer.java
+++ 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduOperationsProducer.java
@@ -16,17 +16,19 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.apache.kudu.flume.sink;
 
+import java.util.List;
+
 import org.apache.flume.Event;
 import org.apache.flume.conf.Configurable;
+
 import org.apache.kudu.annotations.InterfaceAudience;
 import org.apache.kudu.annotations.InterfaceStability;
 import org.apache.kudu.client.KuduTable;
 import org.apache.kudu.client.Operation;
 
-import java.util.List;
-
 /**
  * Interface for an operations producer that produces Kudu Operations from
  * Flume events.
@@ -42,8 +44,7 @@ public interface KuduOperationsProducer extends Configurable, 
AutoCloseable {
   void initialize(KuduTable table);
 
   /**
-   * Returns the operations that should be written to Kudu as a result of this
-   * event.
+   * Returns the operations that should be written to Kudu as a result of this 
event.
    * @return List of {@link org.apache.kudu.client.Operation} that
    * should be written to Kudu
    */

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduSink.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduSink.java 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduSink.java
index b80462c..b186709 100644
--- 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduSink.java
+++ 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/KuduSink.java
@@ -16,6 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.apache.kudu.flume.sink;
 
 import static 
org.apache.kudu.flume.sink.KuduSinkConfigurationConstants.BATCH_SIZE;
@@ -25,6 +26,8 @@ import static 
org.apache.kudu.flume.sink.KuduSinkConfigurationConstants.PRODUCER
 import static 
org.apache.kudu.flume.sink.KuduSinkConfigurationConstants.TABLE_NAME;
 import static 
org.apache.kudu.flume.sink.KuduSinkConfigurationConstants.TIMEOUT_MILLIS;
 
+import java.util.List;
+
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Throwables;
@@ -37,6 +40,9 @@ import org.apache.flume.Transaction;
 import org.apache.flume.conf.Configurable;
 import org.apache.flume.instrumentation.SinkCounter;
 import org.apache.flume.sink.AbstractSink;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import org.apache.kudu.annotations.InterfaceAudience;
 import org.apache.kudu.annotations.InterfaceStability;
 import org.apache.kudu.client.AsyncKuduClient;
@@ -46,27 +52,33 @@ import org.apache.kudu.client.KuduTable;
 import org.apache.kudu.client.Operation;
 import org.apache.kudu.client.OperationResponse;
 import org.apache.kudu.client.SessionConfiguration;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.List;
 
 /**
- * <p>A Flume sink that reads events from a channel and writes them to a Kudu 
table.
+ * A Flume sink that reads events from a channel and writes them to a Kudu 
table.
  *
  * <p><strong>Flume Kudu Sink configuration parameters</strong>
  *
  * <table cellpadding=3 cellspacing=0 border=1>
  * <tr><th>Property 
Name</th><th>Default</th><th>Required?</th><th>Description</th></tr>
- * <tr><td>channel</td><td></td><td>Yes</td><td>The name of the Flume channel 
to read from.</td></tr>
- * <tr><td>type</td><td></td><td>Yes</td><td>Component name. Must be {@code 
org.apache.kudu.flume.sink.KuduSink}</td></tr>
- * <tr><td>masterAddresses</td><td></td><td>Yes</td><td>Comma-separated list 
of "host:port" Kudu master addresses. The port is optional.</td></tr>
- * <tr><td>tableName</td><td></td><td>Yes</td><td>The name of the Kudu table 
to write to.</td></tr>
- * <tr><td>batchSize</td><td>100</td><td>No</td><td>The maximum number of 
events the sink will attempt to take from the channel per transaction.</td></tr>
- * <tr><td>ignoreDuplicateRows</td><td>true</td><td>No</td><td>Whether to 
ignore duplicate primary key errors caused by inserts.</td></tr>
- * <tr><td>timeoutMillis</td><td>10000</td><td>No</td><td>Timeout period for 
Kudu write operations, in milliseconds.</td></tr>
- * <tr><td>producer</td><td>{@link 
SimpleKuduOperationsProducer}</td><td>No</td><td>The fully qualified class name 
of the {@link KuduOperationsProducer} the sink should use.</td></tr>
- * <tr><td>producer.*</td><td></td><td>(Varies by operations 
producer)</td><td>Configuration properties to pass to the operations producer 
implementation.</td></tr>
+ * <tr><td>channel</td><td></td><td>Yes</td><td>The name of the Flume channel 
to read.</td></tr>
+ * <tr><td>type</td><td></td><td>Yes</td>
+ *     <td>Component name. Must be {@code 
org.apache.kudu.flume.sink.KuduSink}</td></tr>
+ * <tr><td>masterAddresses</td><td></td><td>Yes</td>
+ *     <td>Comma-separated list of "host:port" Kudu master addresses.
+ *     The port is optional.</td></tr>
+ * <tr><td>tableName</td><td></td><td>Yes</td>
+ *     <td>The name of the Kudu table to write to.</td></tr>
+ * <tr><td>batchSize</td><td>100</td><td>No</td>
+ * <td>The maximum number of events the sink takes from the channel per 
transaction.</td></tr>
+ * <tr><td>ignoreDuplicateRows</td><td>true</td>
+ *     <td>No</td><td>Whether to ignore duplicate primary key errors caused by 
inserts.</td></tr>
+ * <tr><td>timeoutMillis</td><td>10000</td><td>No</td>
+ *     <td>Timeout period for Kudu write operations, in milliseconds.</td></tr>
+ * <tr><td>producer</td><td>{@link 
SimpleKuduOperationsProducer}</td><td>No</td>
+ *     <td>The fully-qualified class name of the {@link KuduOperationsProducer}
+ *     the sink should use.</td></tr>
+ * <tr><td>producer.*</td><td></td><td>(Varies by operations producer)</td>
+ *     <td>Configuration properties to pass to the operations producer 
implementation.</td></tr>
  * </table>
  *
  * <p><strong>Installation</strong>
@@ -126,11 +138,11 @@ public class KuduSink extends AbstractSink implements 
Configurable {
 
     try {
       table = client.openTable(tableName);
-    } catch (Exception e) {
+    } catch (Exception ex) {
       sinkCounter.incrementConnectionFailedCount();
       String msg = String.format("Could not open Kudu table '%s'", tableName);
-      logger.error(msg, e);
-      throw new FlumeException(msg, e);
+      logger.error(msg, ex);
+      throw new FlumeException(msg, ex);
     }
     operationsProducer.initialize(table);
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.java
 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.java
index b905ef1..3ed147c 100644
--- 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.java
+++ 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.java
@@ -19,26 +19,31 @@
 
 package org.apache.kudu.flume.sink;
 
+import java.nio.charset.Charset;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;
-import java.nio.charset.Charset;
 import org.apache.flume.Context;
 import org.apache.flume.Event;
 import org.apache.flume.FlumeException;
-import org.apache.kudu.ColumnSchema;
-import org.apache.kudu.Schema;
-import org.apache.kudu.Type;
-import org.apache.kudu.client.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.regex.PatternSyntaxException;
+import org.apache.kudu.ColumnSchema;
+import org.apache.kudu.Schema;
+import org.apache.kudu.Type;
+import org.apache.kudu.client.Insert;
+import org.apache.kudu.client.KuduTable;
+import org.apache.kudu.client.Operation;
+import org.apache.kudu.client.PartialRow;
+import org.apache.kudu.client.Upsert;
 
 /**
- * <p>A regular expression serializer that generates one {@link Insert} or
+ * A regular expression serializer that generates one {@link Insert} or
  * {@link Upsert} per {@link Event} by parsing the payload into values using a
  * regular expression. Values are coerced to the proper column types.
  *
@@ -47,7 +52,7 @@ import java.util.regex.PatternSyntaxException;
  * key INT32
  * name STRING
  *
- * and producer.pattern is '(?<key>\\d+),(?<name>\w+)', then the
+ * and producer.pattern is '(?&lt;key&gt;\\d+),(?&lt;name&gt;\w+)', then the
  * RegexpKuduOperationsProducer will parse the string
  *
  * |12345,Mike||54321,Todd|
@@ -57,7 +62,7 @@ import java.util.regex.PatternSyntaxException;
  * Note: this class relies on JDK7 named capturing groups, which are documented
  * in {@link Pattern}.
  *
- * <p><strong>Regular Expression Kudu Operations Producer configuration 
parameters</strong>
+ * <p><strong>Regular Expression Kudu Operations Producer configuration 
parameters</strong></p>
  *
  * <table cellpadding=3 cellspacing=0 border=1>
  * <tr>
@@ -195,22 +200,22 @@ public class RegexpKuduOperationsProducer implements 
KuduOperationsProducer {
         default:
           throw new FlumeException(
               String.format("Unrecognized operation type '%s' in 
getOperations: " +
-              "this should never happen!", operation));
+                  "this should never happen!", operation));
       }
       PartialRow row = op.getRow();
       for (ColumnSchema col : schema.getColumns()) {
         try {
-          CoerceAndSet(m.group(col.getName()), col.getName(), col.getType(), 
row);
+          coerceAndSet(m.group(col.getName()), col.getName(), col.getType(), 
row);
         } catch (NumberFormatException e) {
           String msg = String.format(
               "Raw value '%s' couldn't be parsed to type %s for column '%s'",
               raw, col.getType(), col.getName());
-          LogOrThrow(skipBadColumnValue, msg, e);
+          logOrThrow(skipBadColumnValue, msg, e);
         } catch (IllegalArgumentException e) {
           String msg = String.format(
               "Column '%s' has no matching group in '%s'",
               col.getName(), raw);
-          LogOrThrow(skipMissingColumn, msg, e);
+          logOrThrow(skipMissingColumn, msg, e);
         } catch (Exception e) {
           throw new FlumeException("Failed to create Kudu operation", e);
         }
@@ -233,7 +238,7 @@ public class RegexpKuduOperationsProducer implements 
KuduOperationsProducer {
    * @param row the row to set the value in
    * @throws NumberFormatException if `rawVal` cannot be cast as `type`.
    */
-  private void CoerceAndSet(String rawVal, String colName, Type type, 
PartialRow row)
+  private void coerceAndSet(String rawVal, String colName, Type type, 
PartialRow row)
       throws NumberFormatException {
     switch (type) {
       case INT8:
@@ -272,7 +277,7 @@ public class RegexpKuduOperationsProducer implements 
KuduOperationsProducer {
     }
   }
 
-  private void LogOrThrow(boolean log, String msg, Exception e)
+  private void logOrThrow(boolean log, String msg, Exception e)
       throws FlumeException {
     if (log) {
       logger.warn(msg, e);

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKeyedKuduOperationsProducer.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKeyedKuduOperationsProducer.java
 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKeyedKuduOperationsProducer.java
index 8360df8..897738a 100644
--- 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKeyedKuduOperationsProducer.java
+++ 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKeyedKuduOperationsProducer.java
@@ -19,20 +19,21 @@
 
 package org.apache.kudu.flume.sink;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.apache.flume.Context;
 import org.apache.flume.Event;
 import org.apache.flume.FlumeException;
+
 import org.apache.kudu.client.Insert;
-import org.apache.kudu.client.Upsert;
 import org.apache.kudu.client.KuduTable;
 import org.apache.kudu.client.Operation;
 import org.apache.kudu.client.PartialRow;
-
-import java.util.Collections;
-import java.util.List;
+import org.apache.kudu.client.Upsert;
 
 /**
- * <p>A simple serializer that generates one {@link Insert} or {@link Upsert}
+ * A simple serializer that generates one {@link Insert} or {@link Upsert}
  * per {@link Event} by writing the event body into a BINARY column. The pair
  * (key column name, key column value) should be a header in the {@link Event};
  * the column name is configurable but the column type must be STRING. Multiple
@@ -121,7 +122,7 @@ public class SimpleKeyedKuduOperationsProducer implements 
KuduOperationsProducer
       row.addBinary(payloadColumn, event.getBody());
 
       return Collections.singletonList(op);
-    } catch (Exception e){
+    } catch (Exception e) {
       throw new FlumeException("Failed to create Kudu Operation object", e);
     }
   }

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKuduOperationsProducer.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKuduOperationsProducer.java
 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKuduOperationsProducer.java
index f5f5838..e2f4452 100644
--- 
a/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKuduOperationsProducer.java
+++ 
b/java/kudu-flume-sink/src/main/java/org/apache/kudu/flume/sink/SimpleKuduOperationsProducer.java
@@ -19,19 +19,20 @@
 
 package org.apache.kudu.flume.sink;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.apache.flume.Context;
 import org.apache.flume.Event;
 import org.apache.flume.FlumeException;
+
 import org.apache.kudu.client.Insert;
 import org.apache.kudu.client.KuduTable;
 import org.apache.kudu.client.Operation;
 import org.apache.kudu.client.PartialRow;
 
-import java.util.Collections;
-import java.util.List;
-
 /**
- * <p>A simple serializer that generates one {@link Insert} per {@link Event}
+ * A simple serializer that generates one {@link Insert} per {@link Event}
  * by writing the event body into a BINARY column. The headers are discarded.
  *
  * <p><strong>Simple Kudu Event Producer configuration parameters</strong>
@@ -58,7 +59,7 @@ public class SimpleKuduOperationsProducer implements 
KuduOperationsProducer {
   private KuduTable table;
   private String payloadColumn;
 
-  public SimpleKuduOperationsProducer(){
+  public SimpleKuduOperationsProducer() {
   }
 
   @Override
@@ -79,7 +80,7 @@ public class SimpleKuduOperationsProducer implements 
KuduOperationsProducer {
       row.addBinary(payloadColumn, event.getBody());
 
       return Collections.singletonList((Operation) insert);
-    } catch (Exception e){
+    } catch (Exception e) {
       throw new FlumeException("Failed to create Kudu Insert object", e);
     }
   }

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducerTest.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducerTest.java
 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducerTest.java
index 2465428..c9310b8 100644
--- 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducerTest.java
+++ 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/AvroKuduOperationsProducerTest.java
@@ -29,11 +29,6 @@ import static 
org.apache.kudu.flume.sink.KuduSinkConfigurationConstants.TABLE_NA
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 
-import com.google.common.base.Charsets;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.Lists;
-import com.google.common.io.Files;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
@@ -41,6 +36,12 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
+
+import com.google.common.base.Charsets;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Lists;
+import com.google.common.io.Files;
 import org.apache.avro.io.DatumWriter;
 import org.apache.avro.io.Encoder;
 import org.apache.avro.io.EncoderFactory;
@@ -54,14 +55,15 @@ import org.apache.flume.Transaction;
 import org.apache.flume.channel.MemoryChannel;
 import org.apache.flume.conf.Configurables;
 import org.apache.flume.event.EventBuilder;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.Schema;
 import org.apache.kudu.Type;
 import org.apache.kudu.client.BaseKuduTest;
 import org.apache.kudu.client.CreateTableOptions;
 import org.apache.kudu.client.KuduTable;
-import org.junit.BeforeClass;
-import org.junit.Test;
 
 public class AvroKuduOperationsProducerTest extends BaseKuduTest {
   private static final String schemaPath = 
"src/test/avro/testAvroKuduOperationsProducer.avsc";

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KeyedKuduOperationsProducerTest.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KeyedKuduOperationsProducerTest.java
 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KeyedKuduOperationsProducerTest.java
index 5fc2547..6b62528 100644
--- 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KeyedKuduOperationsProducerTest.java
+++ 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KeyedKuduOperationsProducerTest.java
@@ -28,12 +28,13 @@ import static 
org.apache.kudu.flume.sink.SimpleKeyedKuduOperationsProducer.PAYLO
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-import com.google.common.base.Charsets;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+
+import com.google.common.base.Charsets;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
 import org.apache.flume.Channel;
 import org.apache.flume.Context;
 import org.apache.flume.Event;
@@ -42,15 +43,16 @@ import org.apache.flume.Transaction;
 import org.apache.flume.channel.MemoryChannel;
 import org.apache.flume.conf.Configurables;
 import org.apache.flume.event.EventBuilder;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.Schema;
 import org.apache.kudu.Type;
 import org.apache.kudu.client.BaseKuduTest;
 import org.apache.kudu.client.CreateTableOptions;
 import org.apache.kudu.client.KuduTable;
-import org.junit.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 public class KeyedKuduOperationsProducerTest extends BaseKuduTest {
   private static final Logger LOG = 
LoggerFactory.getLogger(KeyedKuduOperationsProducerTest.class);

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KuduSinkTest.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KuduSinkTest.java
 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KuduSinkTest.java
index 7c426cb..a00b63f 100644
--- 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KuduSinkTest.java
+++ 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/KuduSinkTest.java
@@ -18,10 +18,17 @@
  */
 package org.apache.kudu.flume.sink;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
 import com.google.common.base.Charsets;
 import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableList;
-
 import org.apache.flume.Channel;
 import org.apache.flume.Context;
 import org.apache.flume.Event;
@@ -34,22 +41,15 @@ import org.apache.flume.conf.Configurables;
 import org.apache.flume.event.EventBuilder;
 import org.junit.Assert;
 import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.Schema;
 import org.apache.kudu.Type;
 import org.apache.kudu.client.BaseKuduTest;
 import org.apache.kudu.client.CreateTableOptions;
 import org.apache.kudu.client.KuduTable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 public class KuduSinkTest extends BaseKuduTest {
   private static final Logger LOG = 
LoggerFactory.getLogger(KuduSinkTest.class);

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducerTest.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducerTest.java
 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducerTest.java
index d7734b6..d672a31 100644
--- 
a/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducerTest.java
+++ 
b/java/kudu-flume-sink/src/test/java/org/apache/kudu/flume/sink/RegexpKuduOperationsProducerTest.java
@@ -27,11 +27,12 @@ import static 
org.apache.kudu.flume.sink.RegexpKuduOperationsProducer.PATTERN_PR
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-import com.google.common.collect.ImmutableList;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
+
+import com.google.common.collect.ImmutableList;
 import org.apache.flume.Channel;
 import org.apache.flume.Context;
 import org.apache.flume.Event;
@@ -40,13 +41,14 @@ import org.apache.flume.Transaction;
 import org.apache.flume.channel.MemoryChannel;
 import org.apache.flume.conf.Configurables;
 import org.apache.flume.event.EventBuilder;
+import org.junit.Test;
+
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.Schema;
 import org.apache.kudu.Type;
 import org.apache.kudu.client.BaseKuduTest;
 import org.apache.kudu.client.CreateTableOptions;
 import org.apache.kudu.client.KuduTable;
-import org.junit.Test;
 
 public class RegexpKuduOperationsProducerTest extends BaseKuduTest {
   private static final String TEST_REGEXP =

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/CommandLineParser.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/CommandLineParser.java
 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/CommandLineParser.java
index 385752e..830cb7b 100644
--- 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/CommandLineParser.java
+++ 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/CommandLineParser.java
@@ -14,12 +14,14 @@
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.
+
 package org.apache.kudu.mapreduce;
 
+import org.apache.hadoop.conf.Configuration;
+
 import org.apache.kudu.annotations.InterfaceAudience;
 import org.apache.kudu.annotations.InterfaceStability;
 import org.apache.kudu.client.AsyncKuduClient;
-import org.apache.hadoop.conf.Configuration;
 import org.apache.kudu.client.KuduClient;
 
 /**
@@ -131,11 +133,11 @@ public class CommandLineParser {
   public static String getHelpSnippet() {
     return "\nAdditionally, the following options are available:" +
       "  -D" + OPERATION_TIMEOUT_MS_KEY + "=TIME - timeout for read and write 
" +
-          "operations, defaults to " + OPERATION_TIMEOUT_MS_DEFAULT + " \n"+
+          "operations, defaults to " + OPERATION_TIMEOUT_MS_DEFAULT + " \n" +
       "  -D" + ADMIN_OPERATION_TIMEOUT_MS_KEY + "=TIME - timeout for admin 
operations " +
-        ", defaults to " + OPERATION_TIMEOUT_MS_DEFAULT + " \n"+
+        ", defaults to " + OPERATION_TIMEOUT_MS_DEFAULT + " \n" +
       "  -D" + SOCKET_READ_TIMEOUT_MS_KEY + "=TIME - timeout for socket reads 
" +
-        ", defaults to " + SOCKET_READ_TIMEOUT_MS_DEFAULT + " \n"+
+        ", defaults to " + SOCKET_READ_TIMEOUT_MS_DEFAULT + " \n" +
       "  -D" + MASTER_ADDRESSES_KEY + "=ADDRESSES - addresses to reach the 
Masters, " +
         "defaults to " + MASTER_ADDRESSES_DEFAULT + " which is usually 
wrong.\n" +
       "  -D " + NUM_REPLICAS_KEY + "=NUM - number of replicas to use when 
configuring a new " +

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/JarFinder.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/JarFinder.java 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/JarFinder.java
index 3dbfa04..e1d6a0c 100644
--- a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/JarFinder.java
+++ b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/JarFinder.java
@@ -14,9 +14,8 @@
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.
-package org.apache.kudu.mapreduce;
 
-import com.google.common.base.Preconditions;
+package org.apache.kudu.mapreduce;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
@@ -34,6 +33,8 @@ import java.util.jar.Manifest;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
+import com.google.common.base.Preconditions;
+
 /**
  * Finds the Jar for a class. If the class is in a directory in the
  * classpath, it creates a Jar on the fly with the contents of the directory
@@ -65,7 +66,7 @@ public class JarFinder {
   }
 
   public static void jarDir(File dir, String relativePath, ZipOutputStream zos)
-    throws IOException {
+      throws IOException {
     Preconditions.checkNotNull(relativePath, "relativePath");
     Preconditions.checkNotNull(zos, "zos");
 
@@ -100,8 +101,7 @@ public class JarFinder {
           String filePath = f.getPath();
           File file = new File(filePath);
           zipDir(file, relativePath + f.getName() + "/", zos, false);
-        }
-        else {
+        } else {
           String path = relativePath + f.getName();
           if (!path.equals(JarFile.MANIFEST_NAME)) {
             ZipEntry anEntry = new ZipEntry(path);
@@ -138,9 +138,9 @@ public class JarFinder {
     Preconditions.checkNotNull(klass, "klass");
     ClassLoader loader = klass.getClassLoader();
     if (loader != null) {
-      String class_file = klass.getName().replaceAll("\\.", "/") + ".class";
+      String classFile = klass.getName().replaceAll("\\.", "/") + ".class";
       try {
-        for (Enumeration itr = loader.getResources(class_file);
+        for (Enumeration itr = loader.getResources(classFile);
              itr.hasMoreElements(); ) {
           URL url = (URL) itr.nextElement();
           String path = url.getPath();
@@ -151,17 +151,16 @@ public class JarFinder {
           if ("jar".equals(url.getProtocol())) {
             path = URLDecoder.decode(path, "UTF-8");
             return path.replaceAll("!.*$", "");
-          }
-          else if ("file".equals(url.getProtocol())) {
+          } else if ("file".equals(url.getProtocol())) {
             String klassName = klass.getName();
             klassName = klassName.replace(".", "/") + ".class";
             path = path.substring(0, path.length() - klassName.length());
-            File baseDir = new File(path);
             File testDir = new File(System.getProperty("test.build.dir", 
"target/test-dir"));
             testDir = testDir.getAbsoluteFile();
             if (!testDir.exists()) {
               testDir.mkdirs();
             }
+            File baseDir = new File(path);
             File tempJar = File.createTempFile("hadoop-", "", testDir);
             tempJar = new File(tempJar.getAbsolutePath() + ".jar");
             tempJar.deleteOnExit();
@@ -169,8 +168,7 @@ public class JarFinder {
             return tempJar.getAbsolutePath();
           }
         }
-      }
-      catch (IOException e) {
+      } catch (IOException e) {
         throw new RuntimeException(e);
       }
     }

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableInputFormat.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableInputFormat.java
 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableInputFormat.java
index 6a15cc1..91f4825 100644
--- 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableInputFormat.java
+++ 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableInputFormat.java
@@ -12,12 +12,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License. See accompanying LICENSE file.
  */
-package org.apache.kudu.mapreduce;
 
-import com.google.common.base.Objects;
-import com.google.common.base.Splitter;
-import com.google.common.collect.Lists;
-import com.google.common.primitives.UnsignedBytes;
+package org.apache.kudu.mapreduce;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInput;
@@ -33,6 +29,10 @@ import java.util.List;
 import java.util.Map;
 import javax.naming.NamingException;
 
+import com.google.common.base.Objects;
+import com.google.common.base.Splitter;
+import com.google.common.collect.Lists;
+import com.google.common.primitives.UnsignedBytes;
 import org.apache.commons.net.util.Base64;
 import org.apache.hadoop.conf.Configurable;
 import org.apache.hadoop.conf.Configuration;
@@ -44,6 +44,9 @@ import org.apache.hadoop.mapreduce.JobContext;
 import org.apache.hadoop.mapreduce.RecordReader;
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.apache.hadoop.net.DNS;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import org.apache.kudu.Common;
 import org.apache.kudu.Schema;
 import org.apache.kudu.annotations.InterfaceAudience;
@@ -52,14 +55,12 @@ import org.apache.kudu.client.AsyncKuduClient;
 import org.apache.kudu.client.Bytes;
 import org.apache.kudu.client.KuduClient;
 import org.apache.kudu.client.KuduPredicate;
+import org.apache.kudu.client.KuduScanToken;
 import org.apache.kudu.client.KuduScanner;
 import org.apache.kudu.client.KuduTable;
 import org.apache.kudu.client.LocatedTablet;
 import org.apache.kudu.client.RowResult;
 import org.apache.kudu.client.RowResultIterator;
-import org.apache.kudu.client.KuduScanToken;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * <p>
@@ -207,12 +208,12 @@ public class KuduTableInputFormat extends 
InputFormat<NullWritable, RowResult>
     String masterAddresses = conf.get(MASTER_ADDRESSES_KEY);
     this.operationTimeoutMs = conf.getLong(OPERATION_TIMEOUT_MS_KEY,
                                            
AsyncKuduClient.DEFAULT_OPERATION_TIMEOUT_MS);
-    this.nameServer = conf.get(NAME_SERVER_KEY);
-    this.cacheBlocks = conf.getBoolean(SCAN_CACHE_BLOCKS, false);
-
     this.client = new KuduClient.KuduClientBuilder(masterAddresses)
                                 .defaultOperationTimeoutMs(operationTimeoutMs)
                                 .build();
+    this.nameServer = conf.get(NAME_SERVER_KEY);
+    this.cacheBlocks = conf.getBoolean(SCAN_CACHE_BLOCKS, false);
+
     try {
       this.table = client.openTable(tableName);
     } catch (Exception ex) {
@@ -261,8 +262,9 @@ public class KuduTableInputFormat extends 
InputFormat<NullWritable, RowResult>
    *
    */
   private static String domainNamePointerToHostName(String dnPtr) {
-    if (dnPtr == null)
+    if (dnPtr == null) {
       return null;
+    }
     return dnPtr.endsWith(".") ? dnPtr.substring(0, dnPtr.length() - 1) : 
dnPtr;
   }
 
@@ -344,8 +346,12 @@ public class KuduTableInputFormat extends 
InputFormat<NullWritable, RowResult>
 
     @Override
     public boolean equals(Object o) {
-      if (this == o) return true;
-      if (o == null || getClass() != o.getClass()) return false;
+      if (this == o) {
+        return true;
+      }
+      if (o == null || getClass() != o.getClass()) {
+        return false;
+      }
 
       TableSplit that = (TableSplit) o;
 
@@ -370,7 +376,8 @@ public class KuduTableInputFormat extends 
InputFormat<NullWritable, RowResult>
     private TableSplit split;
 
     @Override
-    public void initialize(InputSplit inputSplit, TaskAttemptContext 
taskAttemptContext) throws IOException, InterruptedException {
+    public void initialize(InputSplit inputSplit, TaskAttemptContext 
taskAttemptContext)
+        throws IOException, InterruptedException {
       if (!(inputSplit instanceof TableSplit)) {
         throw new IllegalArgumentException("TableSplit is the only accepted 
input split");
       }

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableMapReduceUtil.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableMapReduceUtil.java
 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableMapReduceUtil.java
index f0e5b62..6488163 100644
--- 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableMapReduceUtil.java
+++ 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableMapReduceUtil.java
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License. See accompanying LICENSE file.
  */
+
 package org.apache.kudu.mapreduce;
 
 import java.io.ByteArrayOutputStream;
@@ -38,6 +39,7 @@ import org.apache.hadoop.io.NullWritable;
 import org.apache.hadoop.mapreduce.Job;
 import org.apache.hadoop.mapreduce.TaskInputOutputContext;
 import org.apache.hadoop.util.StringUtils;
+
 import org.apache.kudu.annotations.InterfaceAudience;
 import org.apache.kudu.annotations.InterfaceStability;
 import org.apache.kudu.client.AsyncKuduClient;
@@ -65,7 +67,7 @@ public class KuduTableMapReduceUtil {
   /**
    * Base class for MR I/O formats, contains the common configurations.
    */
-  private static abstract class AbstractMapReduceConfigurator<S> {
+  private abstract static class AbstractMapReduceConfigurator<S> {
     protected final Job job;
     protected final String table;
 
@@ -106,7 +108,7 @@ public class KuduTableMapReduceUtil {
    * <p>
    * Use either child classes when configuring the table output format.
    */
-  private static abstract class AbstractTableOutputFormatConfigurator
+  private abstract static class AbstractTableOutputFormatConfigurator
       <S extends AbstractTableOutputFormatConfigurator<? super S>>
       extends AbstractMapReduceConfigurator<S> {
 
@@ -144,7 +146,7 @@ public class KuduTableMapReduceUtil {
    * <p>
    * Use either child classes when configuring the table input format.
    */
-  private static abstract class AbstractTableInputFormatConfigurator
+  private abstract static class AbstractTableInputFormatConfigurator
       <S extends AbstractTableInputFormatConfigurator<? super S>>
       extends AbstractMapReduceConfigurator<S> {
 
@@ -403,7 +405,9 @@ public class KuduTableMapReduceUtil {
 
     // Add jars containing the specified classes
     for (Class<?> clazz : classes) {
-      if (clazz == null) continue;
+      if (clazz == null) {
+        continue;
+      }
 
       Path path = findOrCreateJar(clazz, localFs, packagedClasses);
       if (path == null) {
@@ -412,13 +416,14 @@ public class KuduTableMapReduceUtil {
         continue;
       }
       if (!localFs.exists(path)) {
-        LOG.warn("Could not validate jar file " + path + " for class "
-            + clazz);
+        LOG.warn("Could not validate jar file " + path + " for class " + 
clazz);
         continue;
       }
       jars.add(path.toString());
     }
-    if (jars.isEmpty()) return;
+    if (jars.isEmpty()) {
+      return;
+    }
 
     conf.set("tmpjars", StringUtils.arrayToString(jars.toArray(new 
String[jars.size()])));
   }
@@ -451,20 +456,20 @@ public class KuduTableMapReduceUtil {
    * created, it is created in the system temporary directory. Otherwise,
    * returns an existing jar that contains a class of the same name. Maintains
    * a mapping from jar contents to the tmp jar created.
-   * @param my_class the class to find.
+   * @param myClass the class to find.
    * @param fs the FileSystem with which to qualify the returned path.
    * @param packagedClasses a map of class name to path.
    * @return a jar file that contains the class.
    * @throws IOException
    */
   @SuppressWarnings("deprecation")
-  private static Path findOrCreateJar(Class<?> my_class, FileSystem fs,
+  private static Path findOrCreateJar(Class<?> myClass, FileSystem fs,
                                       Map<String, String> packagedClasses)
       throws IOException {
     // attempt to locate an existing jar for the class.
-    String jar = findContainingJar(my_class, packagedClasses);
+    String jar = findContainingJar(myClass, packagedClasses);
     if (null == jar || jar.isEmpty()) {
-      jar = JarFinder.getJar(my_class);
+      jar = JarFinder.getJar(myClass);
       updateMap(jar, packagedClasses);
     }
 
@@ -472,7 +477,7 @@ public class KuduTableMapReduceUtil {
       return null;
     }
 
-    LOG.debug(String.format("For class %s, using jar %s", my_class.getName(), 
jar));
+    LOG.debug(String.format("For class %s, using jar %s", myClass.getName(), 
jar));
     return new Path(jar).makeQualified(fs);
   }
 
@@ -481,17 +486,17 @@ public class KuduTableMapReduceUtil {
    * a jar file, even if that is not the first thing on the class path that
    * has a class with the same name. Looks first on the classpath and then in
    * the <code>packagedClasses</code> map.
-   * @param my_class the class to find.
+   * @param myClass the class to find.
    * @return a jar file that contains the class, or null.
    * @throws IOException
    */
-  private static String findContainingJar(Class<?> my_class, Map<String, 
String> packagedClasses)
+  private static String findContainingJar(Class<?> myClass, Map<String, 
String> packagedClasses)
       throws IOException {
-    ClassLoader loader = my_class.getClassLoader();
-    String class_file = my_class.getName().replaceAll("\\.", "/") + ".class";
+    ClassLoader loader = myClass.getClassLoader();
+    String classFile = myClass.getName().replaceAll("\\.", "/") + ".class";
 
     // first search the classpath
-    for (Enumeration<URL> itr = loader.getResources(class_file); 
itr.hasMoreElements();) {
+    for (Enumeration<URL> itr = loader.getResources(classFile); 
itr.hasMoreElements();) {
       URL url = itr.nextElement();
       if ("jar".equals(url.getProtocol())) {
         String toReturn = url.getPath();
@@ -512,7 +517,7 @@ public class KuduTableMapReduceUtil {
 
     // now look in any jars we've packaged using JarFinder. Returns null when
     // no jar is found.
-    return packagedClasses.get(class_file);
+    return packagedClasses.get(classFile);
   }
 
   /**
@@ -521,7 +526,8 @@ public class KuduTableMapReduceUtil {
    * @param jar The jar who's content to list.
    * @param packagedClasses map[class -> jar]
    */
-  private static void updateMap(String jar, Map<String, String> 
packagedClasses) throws IOException {
+  private static void updateMap(String jar, Map<String, String> 
packagedClasses)
+      throws IOException {
     if (null == jar || jar.isEmpty()) {
       return;
     }
@@ -535,7 +541,9 @@ public class KuduTableMapReduceUtil {
         }
       }
     } finally {
-      if (null != zip) zip.close();
+      if (null != zip) {
+        zip.close();
+      }
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputCommitter.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputCommitter.java
 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputCommitter.java
index c84c3d5..3ee3774 100644
--- 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputCommitter.java
+++ 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputCommitter.java
@@ -14,16 +14,18 @@
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.
+
 package org.apache.kudu.mapreduce;
 
+import java.io.IOException;
+
 import org.apache.hadoop.mapreduce.JobContext;
 import org.apache.hadoop.mapreduce.OutputCommitter;
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
+
 import org.apache.kudu.annotations.InterfaceAudience;
 import org.apache.kudu.annotations.InterfaceStability;
 
-import java.io.IOException;
-
 /**
  * Small committer class that does not do anything.
  */

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputFormat.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputFormat.java
 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputFormat.java
index 69b076d..bb64a1e 100644
--- 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputFormat.java
+++ 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/KuduTableOutputFormat.java
@@ -14,11 +14,14 @@
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.
+
 package org.apache.kudu.mapreduce;
 
-import org.apache.kudu.annotations.InterfaceAudience;
-import org.apache.kudu.annotations.InterfaceStability;
-import org.apache.kudu.client.*;
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+
 import org.apache.hadoop.conf.Configurable;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.NullWritable;
@@ -30,10 +33,16 @@ import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.atomic.AtomicLong;
+import org.apache.kudu.annotations.InterfaceAudience;
+import org.apache.kudu.annotations.InterfaceStability;
+import org.apache.kudu.client.AsyncKuduClient;
+import org.apache.kudu.client.AsyncKuduSession;
+import org.apache.kudu.client.KuduClient;
+import org.apache.kudu.client.KuduSession;
+import org.apache.kudu.client.KuduTable;
+import org.apache.kudu.client.Operation;
+import org.apache.kudu.client.OperationResponse;
+import org.apache.kudu.client.RowError;
 
 /**
  * <p>
@@ -106,7 +115,6 @@ public class KuduTableOutputFormat extends 
OutputFormat<NullWritable,Operation>
     String tableName = this.conf.get(OUTPUT_TABLE_KEY);
     this.operationTimeoutMs = this.conf.getLong(OPERATION_TIMEOUT_MS_KEY,
         AsyncKuduClient.DEFAULT_OPERATION_TIMEOUT_MS);
-    int bufferSpace = this.conf.getInt(BUFFER_ROW_COUNT_KEY, 1000);
 
     this.client = new KuduClient.KuduClientBuilder(masterAddress)
         .defaultOperationTimeoutMs(operationTimeoutMs)
@@ -120,10 +128,10 @@ public class KuduTableOutputFormat extends 
OutputFormat<NullWritable,Operation>
     }
     this.session = client.newSession();
     
this.session.setFlushMode(AsyncKuduSession.FlushMode.AUTO_FLUSH_BACKGROUND);
-    this.session.setMutationBufferSpace(bufferSpace);
+    this.session.setMutationBufferSpace(this.conf.getInt(BUFFER_ROW_COUNT_KEY, 
1000));
     this.session.setIgnoreAllDuplicateRows(true);
     String multitonKey = String.valueOf(Thread.currentThread().getId());
-    assert(MULTITON.get(multitonKey) == null);
+    assert MULTITON.get(multitonKey) == null;
     MULTITON.put(multitonKey, this);
     entries.set(MULTITON_KEY, multitonKey);
   }
@@ -150,7 +158,8 @@ public class KuduTableOutputFormat extends 
OutputFormat<NullWritable,Operation>
   }
 
   @Override
-  public RecordWriter<NullWritable, Operation> 
getRecordWriter(TaskAttemptContext taskAttemptContext)
+  public RecordWriter<NullWritable, Operation>
+      getRecordWriter(TaskAttemptContext taskAttemptContext)
       throws IOException, InterruptedException {
     return new TableRecordWriter(this.session);
   }

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/TableReducer.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/TableReducer.java 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/TableReducer.java
index e319fe4..9e28046 100644
--- 
a/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/TableReducer.java
+++ 
b/java/kudu-mapreduce/src/main/java/org/apache/kudu/mapreduce/TableReducer.java
@@ -14,15 +14,17 @@
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.
+
 package org.apache.kudu.mapreduce;
 
+import org.apache.hadoop.mapreduce.Reducer;
+
 import org.apache.kudu.annotations.InterfaceAudience;
 import org.apache.kudu.annotations.InterfaceStability;
 import org.apache.kudu.client.Operation;
-import org.apache.hadoop.mapreduce.Reducer;
 
 @InterfaceAudience.Public
 @InterfaceStability.Evolving
-public abstract class TableReducer<KEYIN, VALUEIN, KEYOUT>
-    extends Reducer<KEYIN, VALUEIN, KEYOUT, Operation> {
+public abstract class TableReducer<KeyinT, ValueinT, KeyoutT>
+    extends Reducer<KeyinT, ValueinT, KeyoutT, Operation> {
 }

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/HadoopTestingUtility.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/HadoopTestingUtility.java
 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/HadoopTestingUtility.java
index 0db2c9a..c8ced88 100644
--- 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/HadoopTestingUtility.java
+++ 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/HadoopTestingUtility.java
@@ -18,6 +18,9 @@
  */
 package org.apache.kudu.mapreduce;
 
+import java.io.File;
+import java.io.IOException;
+
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -25,9 +28,6 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 
-import java.io.File;
-import java.io.IOException;
-
 /**
  * This class is analog to HBaseTestingUtility except that we only need it for 
the MR tests.
  */

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITInputFormatJob.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITInputFormatJob.java
 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITInputFormatJob.java
index 2f4b05e..f4b1d4f 100644
--- 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITInputFormatJob.java
+++ 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITInputFormatJob.java
@@ -16,6 +16,13 @@
 // under the License.
 package org.apache.kudu.mapreduce;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
 import com.google.common.collect.Lists;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.NullWritable;
@@ -25,17 +32,12 @@ import 
org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.apache.kudu.client.BaseKuduTest;
-import org.apache.kudu.client.KuduPredicate;
-import org.apache.kudu.client.RowResult;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-import static org.junit.Assert.*;
+import org.apache.kudu.client.BaseKuduTest;
+import org.apache.kudu.client.KuduPredicate;
+import org.apache.kudu.client.RowResult;
 
 public class ITInputFormatJob extends BaseKuduTest {
   private static final Logger LOG = 
LoggerFactory.getLogger(ITInputFormatJob.class);

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableInputFormat.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableInputFormat.java
 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableInputFormat.java
index 818f33f..963ab9a 100644
--- 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableInputFormat.java
+++ 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableInputFormat.java
@@ -16,20 +16,30 @@
 // under the License.
 package org.apache.kudu.mapreduce;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+import java.util.List;
+
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
-import org.apache.kudu.Schema;
-import org.apache.kudu.client.*;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.NullWritable;
 import org.apache.hadoop.mapreduce.InputSplit;
 import org.apache.hadoop.mapreduce.RecordReader;
 import org.junit.Test;
 
-import java.io.IOException;
-import java.util.List;
-
-import static org.junit.Assert.*;
+import org.apache.kudu.Schema;
+import org.apache.kudu.client.AsyncKuduSession;
+import org.apache.kudu.client.BaseKuduTest;
+import org.apache.kudu.client.Insert;
+import org.apache.kudu.client.KuduPredicate;
+import org.apache.kudu.client.KuduTable;
+import org.apache.kudu.client.PartialRow;
+import org.apache.kudu.client.RowResult;
 
 public class ITKuduTableInputFormat extends BaseKuduTest {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableOutputFormat.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableOutputFormat.java
 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableOutputFormat.java
index 57193b3..0223cd8 100644
--- 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableOutputFormat.java
+++ 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITKuduTableOutputFormat.java
@@ -16,14 +16,21 @@
 // under the License.
 package org.apache.kudu.mapreduce;
 
-import org.apache.kudu.client.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.NullWritable;
 import org.apache.hadoop.mapreduce.RecordWriter;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
+import org.apache.kudu.client.AsyncKuduScanner;
+import org.apache.kudu.client.BaseKuduTest;
+import org.apache.kudu.client.Insert;
+import org.apache.kudu.client.KuduTable;
+import org.apache.kudu.client.Operation;
+import org.apache.kudu.client.PartialRow;
 
 public class ITKuduTableOutputFormat extends BaseKuduTest {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITOutputFormatJob.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITOutputFormatJob.java
 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITOutputFormatJob.java
index d3f1dbf..06874c2 100644
--- 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITOutputFormatJob.java
+++ 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/ITOutputFormatJob.java
@@ -16,7 +16,13 @@
 // under the License.
 package org.apache.kudu.mapreduce;
 
-import org.apache.kudu.client.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.LongWritable;
 import org.apache.hadoop.io.NullWritable;
@@ -29,11 +35,12 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-
-import static org.junit.Assert.*;
+import org.apache.kudu.client.AsyncKuduScanner;
+import org.apache.kudu.client.BaseKuduTest;
+import org.apache.kudu.client.Insert;
+import org.apache.kudu.client.KuduTable;
+import org.apache.kudu.client.Operation;
+import org.apache.kudu.client.PartialRow;
 
 public class ITOutputFormatJob extends BaseKuduTest {
 

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/TestJarFinder.java
----------------------------------------------------------------------
diff --git 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/TestJarFinder.java
 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/TestJarFinder.java
index acf155f..710d5a1 100644
--- 
a/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/TestJarFinder.java
+++ 
b/java/kudu-mapreduce/src/test/java/org/apache/kudu/mapreduce/TestJarFinder.java
@@ -16,11 +16,6 @@
 // under the License.
 package org.apache.kudu.mapreduce;
 
-import org.apache.commons.logging.LogFactory;
-import org.junit.Assert;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -35,6 +30,10 @@ import java.util.jar.JarInputStream;
 import java.util.jar.JarOutputStream;
 import java.util.jar.Manifest;
 
+import org.apache.commons.logging.LogFactory;
+import org.junit.Assert;
+import org.junit.Test;
+
 /**
  * This file was forked from hbase/branches/master@4ce6f48.
  */

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/DefaultSource.scala
----------------------------------------------------------------------
diff --git 
a/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/DefaultSource.scala 
b/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/DefaultSource.scala
index 3bf152b..87999ba 100644
--- 
a/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/DefaultSource.scala
+++ 
b/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/DefaultSource.scala
@@ -19,16 +19,17 @@ package org.apache.kudu.spark.kudu
 
 import java.sql.Timestamp
 
+import scala.collection.JavaConverters._
+
 import org.apache.spark.rdd.RDD
 import org.apache.spark.sql.sources._
 import org.apache.spark.sql.types._
-import org.apache.spark.sql.{DataFrame, Row, SaveMode, SQLContext}
+import org.apache.spark.sql.{DataFrame, Row, SQLContext, SaveMode}
+
 import org.apache.kudu.Type
 import org.apache.kudu.annotations.InterfaceStability
-import org.apache.kudu.client._
 import org.apache.kudu.client.KuduPredicate.ComparisonOp
-
-import scala.collection.JavaConverters._
+import org.apache.kudu.client._
 
 /**
   * Data source for integration with Spark's [[DataFrame]] API.

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduContext.scala
----------------------------------------------------------------------
diff --git 
a/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduContext.scala 
b/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduContext.scala
index 1293901..5a9c267 100644
--- 
a/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduContext.scala
+++ 
b/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduContext.scala
@@ -18,18 +18,19 @@
 package org.apache.kudu.spark.kudu
 
 import java.util
+
+import scala.collection.mutable
+
 import org.apache.hadoop.util.ShutdownHookManager
 import org.apache.spark.SparkContext
 import org.apache.spark.rdd.RDD
+import org.apache.spark.sql.types.{DataType, DataTypes, StructType}
 import org.apache.spark.sql.{DataFrame, Row}
-import org.apache.spark.sql.types.{StructType, DataType, DataTypes}
-import org.apache.kudu.{ColumnSchema, Schema, Type}
+
 import org.apache.kudu.annotations.InterfaceStability
 import org.apache.kudu.client.SessionConfiguration.FlushMode
 import org.apache.kudu.client._
-
-
-import scala.collection.mutable
+import org.apache.kudu.{ColumnSchema, Schema, Type}
 
 /**
   * KuduContext is a serializable container for Kudu client connections.

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduRDD.scala
----------------------------------------------------------------------
diff --git 
a/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduRDD.scala 
b/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduRDD.scala
index f9686be..5ba7c35 100644
--- a/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduRDD.scala
+++ b/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduRDD.scala
@@ -16,14 +16,15 @@
  */
 package org.apache.kudu.spark.kudu
 
+import scala.collection.JavaConverters._
+
 import org.apache.spark.rdd.RDD
 import org.apache.spark.sql.Row
 import org.apache.spark.{Partition, SparkContext, TaskContext}
+
 import org.apache.kudu.client._
 import org.apache.kudu.{Type, client}
 
-import scala.collection.JavaConverters._
-
 /**
   * A Resilient Distributed Dataset backed by a Kudu table.
   */

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/DefaultSourceTest.scala
----------------------------------------------------------------------
diff --git 
a/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/DefaultSourceTest.scala
 
b/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/DefaultSourceTest.scala
index 007bb8d..4cb15db 100644
--- 
a/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/DefaultSourceTest.scala
+++ 
b/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/DefaultSourceTest.scala
@@ -20,17 +20,18 @@ import java.sql.Timestamp
 import java.text.SimpleDateFormat
 import java.util.TimeZone
 
+import scala.collection.JavaConverters._
+import scala.collection.immutable.IndexedSeq
+import scala.util.control.NonFatal
+
 import org.apache.spark.sql.SQLContext
 import org.apache.spark.sql.functions._
 import org.junit.Assert._
 import org.junit.runner.RunWith
-import org.apache.kudu.client.CreateTableOptions
 import org.scalatest.junit.JUnitRunner
 import org.scalatest.{BeforeAndAfter, FunSuite}
 
-import scala.collection.JavaConverters._
-import scala.collection.immutable.IndexedSeq
-import scala.util.control.NonFatal;
+import org.apache.kudu.client.CreateTableOptions;
 
 @RunWith(classOf[JUnitRunner])
 class DefaultSourceTest extends FunSuite with TestContext with BeforeAndAfter {

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/KuduContextTest.scala
----------------------------------------------------------------------
diff --git 
a/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/KuduContextTest.scala
 
b/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/KuduContextTest.scala
index be0ed57..e35f276 100644
--- 
a/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/KuduContextTest.scala
+++ 
b/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/KuduContextTest.scala
@@ -19,10 +19,10 @@ package org.apache.kudu.spark.kudu
 import java.sql.Timestamp
 
 import org.apache.spark.sql.SQLContext
+import org.apache.spark.sql.functions.decode
 import org.junit.runner.RunWith
-import org.scalatest.{FunSuite, Matchers}
 import org.scalatest.junit.JUnitRunner
-import org.apache.spark.sql.functions.decode
+import org.scalatest.{FunSuite, Matchers}
 
 @RunWith(classOf[JUnitRunner])
 class KuduContextTest extends FunSuite with TestContext with Matchers {

http://git-wip-us.apache.org/repos/asf/kudu/blob/22067edb/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/TestContext.scala
----------------------------------------------------------------------
diff --git 
a/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/TestContext.scala 
b/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/TestContext.scala
index ebd09bf..f46d290 100644
--- 
a/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/TestContext.scala
+++ 
b/java/kudu-spark/src/test/scala/org/apache/kudu/spark/kudu/TestContext.scala
@@ -18,17 +18,18 @@ package org.apache.kudu.spark.kudu
 
 import java.util.Date
 
+import scala.collection.JavaConverters._
+import scala.collection.immutable.IndexedSeq
+
 import com.google.common.collect.ImmutableList
 import org.apache.spark.{SparkConf, SparkContext}
+import org.scalatest.{BeforeAndAfterAll, Suite}
+
 import org.apache.kudu.ColumnSchema.ColumnSchemaBuilder
 import org.apache.kudu.client.KuduClient.KuduClientBuilder
 import org.apache.kudu.client.MiniKuduCluster.MiniKuduClusterBuilder
 import org.apache.kudu.client.{CreateTableOptions, KuduClient, KuduTable, 
MiniKuduCluster}
 import org.apache.kudu.{Schema, Type}
-import org.scalatest.{BeforeAndAfterAll, Suite}
-
-import scala.collection.JavaConverters._
-import scala.collection.immutable.IndexedSeq
 
 trait TestContext extends BeforeAndAfterAll { self: Suite =>
 

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