http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/AbstractBaseReader.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/AbstractBaseReader.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/AbstractBaseReader.java
index 8f892e7..468ea0f 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/AbstractBaseReader.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/AbstractBaseReader.java
@@ -18,7 +18,6 @@
 package org.apache.drill.exec.vector.complex.impl;
 
 import java.util.Iterator;
-import java.util.Map.Entry;
 
 import org.apache.drill.common.types.TypeProtos.MajorType;
 import org.apache.drill.exec.vector.complex.reader.FieldReader;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/ComplexWriterImpl.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/ComplexWriterImpl.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/ComplexWriterImpl.java
index 165c5b5..9f934b7 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/ComplexWriterImpl.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/ComplexWriterImpl.java
@@ -20,7 +20,6 @@ package org.apache.drill.exec.vector.complex.impl;
 import org.apache.drill.common.types.TypeProtos.MajorType;
 import org.apache.drill.common.types.TypeProtos.MinorType;
 import org.apache.drill.common.types.Types;
-import org.apache.drill.exec.exception.SchemaChangeException;
 import org.apache.drill.exec.record.MaterializedField;
 import org.apache.drill.exec.record.VectorContainer;
 import org.apache.drill.exec.vector.ValueVector;
@@ -87,6 +86,7 @@ public class ComplexWriterImpl extends AbstractFieldWriter 
implements ComplexWri
     }
   }
 
+  @Override
   public void setPosition(int index){
     super.setPosition(index);
     switch(mode){
@@ -176,7 +176,7 @@ public class ComplexWriterImpl extends AbstractFieldWriter 
implements ComplexWri
   private static class VectorAccessibleFacade extends MapVector {
 
     private final VectorContainer vc;
-    
+
     public VectorAccessibleFacade(VectorContainer vc) {
       super("", null);
       this.vc = vc;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedListReaderImpl.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedListReaderImpl.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedListReaderImpl.java
index 66f658d..83e644e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedListReaderImpl.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedListReaderImpl.java
@@ -43,16 +43,19 @@ public class RepeatedListReaderImpl extends 
AbstractFieldReader{
     this.container = container;
   }
 
+  @Override
   public MajorType getType(){
     return TYPE;
   }
 
+  @Override
   public void copyAsValue(ListWriter writer){
     if(currentOffset == NO_VALUES) return;
     RepeatedListWriter impl = (RepeatedListWriter) writer;
     impl.inform(impl.container.copyFromSafe(idx(), impl.idx(), container));
   }
 
+  @Override
   public void copyAsField(String name, MapWriter writer){
     if(currentOffset == NO_VALUES) return;
     RepeatedListWriter impl = (RepeatedListWriter) writer.list(name);
@@ -62,10 +65,12 @@ public class RepeatedListReaderImpl extends 
AbstractFieldReader{
   private int currentOffset;
   private int maxOffset;
 
+  @Override
   public int size(){
     return maxOffset - currentOffset;
   }
 
+  @Override
   public void setPosition(int index){
     super.setPosition(index);
     RepeatedListHolder h = new RepeatedListHolder();
@@ -79,6 +84,7 @@ public class RepeatedListReaderImpl extends 
AbstractFieldReader{
     }
   }
 
+  @Override
   public boolean next(){
     if(currentOffset +1 < maxOffset){
       currentOffset++;
@@ -95,6 +101,7 @@ public class RepeatedListReaderImpl extends 
AbstractFieldReader{
     return container.getAccessor().getObject(idx());
   }
 
+  @Override
   public FieldReader reader(){
     if(reader == null){
       reader = container.get(name, 
ValueVector.class).getAccessor().getReader();

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedMapReaderImpl.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedMapReaderImpl.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedMapReaderImpl.java
index b89d26d..faf3508 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedMapReaderImpl.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/RepeatedMapReaderImpl.java
@@ -49,6 +49,7 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
     }
   }
 
+  @Override
   public FieldReader reader(String name){
     FieldReader reader = fields.get(name);
     if(reader == null){
@@ -64,10 +65,11 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
     return reader;
   }
 
+  @Override
   public FieldReader reader() {
-    if (currentOffset == NO_VALUES) 
+    if (currentOffset == NO_VALUES)
       return NullReader.INSTANCE;
-    
+
     setChildrenPosition(currentOffset);
     return new SingleLikeRepeatedMapReaderImpl(vector, this);
   }
@@ -75,6 +77,7 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
   private int currentOffset;
   private int maxOffset;
 
+  @Override
   public int size(){
     if (isNull()) {
       return 0;
@@ -82,6 +85,7 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
     return maxOffset - (currentOffset < 0 ? 0 : currentOffset);
   }
 
+  @Override
   public void setPosition(int index){
     super.setPosition(index);
     RepeatedMapHolder h = new RepeatedMapHolder();
@@ -110,6 +114,7 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
     }
   }
 
+  @Override
   public boolean next(){
     if(currentOffset +1 < maxOffset){
       setChildrenPosition(++currentOffset);
@@ -129,10 +134,12 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
     return vector.getAccessor().getObject(idx());
   }
 
+  @Override
   public MajorType getType(){
     return vector.getField().getType();
   }
 
+  @Override
   public java.util.Iterator<String> iterator(){
     return vector.fieldNameIterator();
   }
@@ -142,6 +149,7 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
     return true;
   }
 
+  @Override
   public void copyAsValue(MapWriter writer){
     if(currentOffset == NO_VALUES) return;
     RepeatedMapWriter impl = (RepeatedMapWriter) writer;
@@ -154,6 +162,7 @@ public class RepeatedMapReaderImpl extends 
AbstractFieldReader{
     impl.inform(impl.container.copyFromSafe(currentOffset, impl.idx(), 
vector));
   }
 
+  @Override
   public void copyAsField(String name, MapWriter writer){
     if(currentOffset == NO_VALUES) return;
     RepeatedMapWriter impl = (RepeatedMapWriter) writer.map(name);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleListReaderImpl.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleListReaderImpl.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleListReaderImpl.java
index 36e04a7..872c5e3 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleListReaderImpl.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleListReaderImpl.java
@@ -50,11 +50,13 @@ public class SingleListReaderImpl extends 
AbstractFieldReader{
     this.container = container;
   }
 
+  @Override
   public MajorType getType(){
     return TYPE;
   }
 
 
+  @Override
   public void setPosition(int index){
     super.setPosition(index);
     if(reader != null) reader.setPosition(index);
@@ -65,6 +67,7 @@ public class SingleListReaderImpl extends AbstractFieldReader{
     return reader.readObject();
   }
 
+  @Override
   public FieldReader reader(){
     if(reader == null){
       reader = container.get(name, 
ValueVector.class).getAccessor().getReader();
@@ -78,10 +81,12 @@ public class SingleListReaderImpl extends 
AbstractFieldReader{
     return false;
   }
 
+  @Override
   public void copyAsValue(ListWriter writer){
     throw new UnsupportedOperationException("Generic list copying not yet 
supported.  Please resolve to typed list.");
   }
 
+  @Override
   public void copyAsField(String name, MapWriter writer){
     throw new UnsupportedOperationException("Generic list copying not yet 
supported.  Please resolve to typed list.");
   }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleMapReaderImpl.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleMapReaderImpl.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleMapReaderImpl.java
index 41450ce..c2d96b1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleMapReaderImpl.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/SingleMapReaderImpl.java
@@ -47,6 +47,7 @@ public class SingleMapReaderImpl extends AbstractFieldReader{
     }
   }
 
+  @Override
   public FieldReader reader(String name){
     FieldReader reader = fields.get(name);
     if(reader == null){
@@ -62,6 +63,7 @@ public class SingleMapReaderImpl extends AbstractFieldReader{
     return reader;
   }
 
+  @Override
   public void setPosition(int index){
     super.setPosition(index);
     for(FieldReader r : fields.values()){
@@ -79,19 +81,23 @@ public class SingleMapReaderImpl extends 
AbstractFieldReader{
     return true;
   }
 
+  @Override
   public MajorType getType(){
     return vector.getField().getType();
   }
 
+  @Override
   public java.util.Iterator<String> iterator(){
     return vector.fieldNameIterator();
   }
 
+  @Override
   public void copyAsValue(MapWriter writer){
     SingleMapWriter impl = (SingleMapWriter) writer;
     impl.inform(impl.container.copyFromSafe(idx(), impl.idx(), vector));
   }
 
+  @Override
   public void copyAsField(String name, MapWriter writer){
     SingleMapWriter impl = (SingleMapWriter) writer.map(name);
     impl.inform(impl.container.copyFromSafe(idx(), impl.idx(), vector));

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/VectorContainerWriter.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/VectorContainerWriter.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/VectorContainerWriter.java
index 57980f8..e92626e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/VectorContainerWriter.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/impl/VectorContainerWriter.java
@@ -23,7 +23,6 @@ import org.apache.drill.exec.physical.impl.OutputMutator;
 import org.apache.drill.exec.record.MaterializedField;
 import org.apache.drill.exec.vector.ValueVector;
 import org.apache.drill.exec.vector.complex.MapVector;
-import org.apache.drill.exec.vector.complex.writer.BaseWriter;
 import org.apache.drill.exec.vector.complex.writer.BaseWriter.ComplexWriter;
 
 public class VectorContainerWriter extends AbstractFieldWriter implements 
ComplexWriter {
@@ -69,6 +68,7 @@ public class VectorContainerWriter extends 
AbstractFieldWriter implements Comple
     mapRoot.setValueCount(count);
   }
 
+  @Override
   public void setPosition(int index) {
     super.setPosition(index);
     mapRoot.setPosition(index);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/EndpointListener.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/EndpointListener.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/EndpointListener.java
index 6cec7b2..164f76e 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/EndpointListener.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/EndpointListener.java
@@ -25,7 +25,7 @@ public abstract class EndpointListener<RET, V> extends 
BaseRpcOutcomeListener<RE
 
   protected final DrillbitEndpoint endpoint;
   protected final V value;
-  
+
   public EndpointListener(DrillbitEndpoint endpoint, V value) {
     super();
     this.endpoint = endpoint;
@@ -40,5 +40,5 @@ public abstract class EndpointListener<RET, V> extends 
BaseRpcOutcomeListener<RE
     return value;
   }
 
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/ErrorHelper.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/ErrorHelper.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/ErrorHelper.java
index 7bb2919..5679a4f 100644
--- a/exec/java-exec/src/main/java/org/apache/drill/exec/work/ErrorHelper.java
+++ b/exec/java-exec/src/main/java/org/apache/drill/exec/work/ErrorHelper.java
@@ -21,7 +21,6 @@ import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.util.UUID;
 
-import org.apache.drill.common.exceptions.DrillException;
 import org.apache.drill.exec.planner.sql.parser.impl.ParseException;
 import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
 import org.apache.drill.exec.proto.UserBitShared.DrillPBError;
@@ -73,7 +72,7 @@ public class ErrorHelper {
     String finalMsg = rootCause.getMessage() == null ? original.getMessage() : 
rootCause.getMessage();
     builder.setMessage(String.format(sb.toString(), finalMsg));
     builder.setErrorType(0);
-    
+
     // record the error to the log for later reference.
     logger.error("Error {}: {}", id, message, t);
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/QueryWorkUnit.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/QueryWorkUnit.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/QueryWorkUnit.java
index c3760d5..9743d6e 100644
--- a/exec/java-exec/src/main/java/org/apache/drill/exec/work/QueryWorkUnit.java
+++ b/exec/java-exec/src/main/java/org/apache/drill/exec/work/QueryWorkUnit.java
@@ -26,17 +26,17 @@ import com.google.common.base.Preconditions;
 
 public class QueryWorkUnit {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(QueryWorkUnit.class);
-  
+
   private final PlanFragment rootFragment; // for local
   private final FragmentRoot rootOperator; // for local
   private final List<PlanFragment> fragments;
-  
+
   public QueryWorkUnit(FragmentRoot rootOperator, PlanFragment rootFragment, 
List<PlanFragment> fragments) {
     super();
     Preconditions.checkNotNull(rootFragment);
     Preconditions.checkNotNull(fragments);
     Preconditions.checkNotNull(rootOperator);
-    
+
     this.rootFragment = rootFragment;
     this.fragments = fragments;
     this.rootOperator = rootOperator;
@@ -53,11 +53,11 @@ public class QueryWorkUnit {
   public FragmentRoot getRootOperator() {
     return rootOperator;
   }
-  
-  
-  
-  
-  
-  
-  
+
+
+
+
+
+
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/ResourceRequest.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/ResourceRequest.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/ResourceRequest.java
index 1e9ea5e..5b7b623 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/ResourceRequest.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/ResourceRequest.java
@@ -19,10 +19,10 @@ package org.apache.drill.exec.work;
 
 public class ResourceRequest {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(ResourceRequest.class);
-  
+
   public long memoryMin;
   public long memoryDesired;
-  
+
 
   public static class ResourceAllocation {
     public long memory;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/RootNodeDriver.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/RootNodeDriver.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/RootNodeDriver.java
index fee3d88..b56477b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/RootNodeDriver.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/RootNodeDriver.java
@@ -19,7 +19,7 @@ package org.apache.drill.exec.work;
 
 public interface RootNodeDriver {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(RootNodeDriver.class);
-  
+
   public boolean doNext();
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/AbstractDataCollector.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/AbstractDataCollector.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/AbstractDataCollector.java
index 6eafe57..c83106c 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/AbstractDataCollector.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/AbstractDataCollector.java
@@ -29,7 +29,6 @@ import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.physical.base.Receiver;
 import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
 import org.apache.drill.exec.record.RawFragmentBatch;
-import org.apache.drill.exec.rpc.ResponseSender;
 
 import com.google.common.base.Preconditions;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/ControlHandlerImpl.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/ControlHandlerImpl.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/ControlHandlerImpl.java
index 893aec8..a7f3666 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/ControlHandlerImpl.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/ControlHandlerImpl.java
@@ -23,13 +23,8 @@ import io.netty.buffer.ByteBuf;
 import java.io.IOException;
 
 import org.apache.drill.common.exceptions.ExecutionSetupException;
-import org.apache.drill.exec.exception.FragmentSetupException;
-import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
-import org.apache.drill.exec.memory.OutOfMemoryException;
 import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.physical.base.FragmentRoot;
-import org.apache.drill.exec.physical.impl.ImplCreator;
-import org.apache.drill.exec.physical.impl.RootExec;
 import org.apache.drill.exec.proto.BitControl.FinishedReceiver;
 import org.apache.drill.exec.proto.BitControl.FragmentStatus;
 import org.apache.drill.exec.proto.BitControl.PlanFragment;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/DataCollector.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/DataCollector.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/DataCollector.java
index 42d8eae..dc016be 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/DataCollector.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/DataCollector.java
@@ -20,7 +20,6 @@ package org.apache.drill.exec.work.batch;
 import java.io.IOException;
 
 import org.apache.drill.exec.record.RawFragmentBatch;
-import org.apache.drill.exec.rpc.ResponseSender;
 
 interface DataCollector extends AutoCloseable {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(DataCollector.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/IncomingBuffers.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/IncomingBuffers.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/IncomingBuffers.java
index af5e9c7..1d6a709 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/IncomingBuffers.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/IncomingBuffers.java
@@ -28,7 +28,6 @@ import 
org.apache.drill.exec.physical.base.AbstractPhysicalVisitor;
 import org.apache.drill.exec.physical.base.PhysicalOperator;
 import org.apache.drill.exec.physical.base.Receiver;
 import org.apache.drill.exec.record.RawFragmentBatch;
-import org.apache.drill.exec.rpc.ResponseSender;
 
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Maps;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/MergingCollector.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/MergingCollector.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/MergingCollector.java
index 5248bb1..ce14260 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/MergingCollector.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/MergingCollector.java
@@ -25,7 +25,7 @@ import org.apache.drill.exec.physical.base.Receiver;
 public class MergingCollector extends AbstractDataCollector{
 
   private AtomicInteger streamsRunning;
-  
+
   public MergingCollector(AtomicInteger parentAccounter, Receiver receiver, 
FragmentContext context) {
     super(parentAccounter, receiver, 1, context);
     streamsRunning = new 
AtomicInteger(receiver.getProvidingEndpoints().size());

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/RawBatchBuffer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/RawBatchBuffer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/RawBatchBuffer.java
index bc8a1dc..8646a72 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/RawBatchBuffer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/RawBatchBuffer.java
@@ -21,7 +21,6 @@ import java.io.IOException;
 
 import org.apache.drill.exec.record.RawFragmentBatch;
 import org.apache.drill.exec.record.RawFragmentBatchProvider;
-import org.apache.drill.exec.rpc.ResponseSender;
 
 /**
  * A batch buffer is responsible for queuing incoming batches until a consumer 
is ready to receive them. It will also

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/UnlimitedRawBatchBuffer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/UnlimitedRawBatchBuffer.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/UnlimitedRawBatchBuffer.java
index 912f956..a4ed4d6 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/UnlimitedRawBatchBuffer.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/batch/UnlimitedRawBatchBuffer.java
@@ -19,14 +19,11 @@ package org.apache.drill.exec.work.batch;
 
 import java.util.concurrent.LinkedBlockingDeque;
 import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.drill.exec.ExecConstants;
 import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.proto.BitData.FragmentRecordBatch;
 import org.apache.drill.exec.record.RawFragmentBatch;
-import org.apache.drill.exec.rpc.ResponseSender;
-import org.apache.drill.exec.rpc.data.DataRpcConfig;
 
 import com.google.common.collect.Queues;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/Foreman.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/Foreman.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/Foreman.java
index 603aeab..05fc2b1 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/Foreman.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/Foreman.java
@@ -23,7 +23,6 @@ import java.io.Closeable;
 import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Queue;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
@@ -34,7 +33,6 @@ import 
org.apache.drill.common.exceptions.ExecutionSetupException;
 import org.apache.drill.common.logical.LogicalPlan;
 import org.apache.drill.common.logical.PlanProperties.Generator.ResultMode;
 import org.apache.drill.exec.ExecConstants;
-import org.apache.drill.exec.cache.CachedVectorContainer;
 import org.apache.drill.exec.cache.DistributedCache.CacheConfig;
 import org.apache.drill.exec.cache.DistributedCache.SerializationMode;
 import org.apache.drill.exec.coord.DistributedSemaphore;
@@ -70,7 +68,6 @@ import org.apache.drill.exec.rpc.RpcException;
 import org.apache.drill.exec.rpc.RpcOutcomeListener;
 import org.apache.drill.exec.rpc.user.UserServer.UserClientConnection;
 import org.apache.drill.exec.server.DrillbitContext;
-import org.apache.drill.exec.server.options.OptionManager;
 import org.apache.drill.exec.util.AtomicState;
 import org.apache.drill.exec.util.Pointer;
 import org.apache.drill.exec.work.ErrorHelper;
@@ -130,6 +127,7 @@ public class Foreman implements Runnable, Closeable, 
Comparable<Object>{
     this.bee = bee;
 
     this.state = new AtomicState<QueryState>(QueryState.PENDING) {
+      @Override
       protected QueryState getStateFromNumber(int i) {
         return QueryState.valueOf(i);
       }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/FragmentStatusListener.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/FragmentStatusListener.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/FragmentStatusListener.java
index afc8d79..6a719d2 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/FragmentStatusListener.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/FragmentStatusListener.java
@@ -21,6 +21,6 @@ import org.apache.drill.exec.proto.BitControl.FragmentStatus;
 
 public interface FragmentStatusListener {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(FragmentStatusListener.class);
-  
+
   public void statusUpdate(FragmentStatus status);
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryManager.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryManager.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryManager.java
index 4e1ca22..083dd95 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryManager.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryManager.java
@@ -25,7 +25,6 @@ import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.drill.common.exceptions.ExecutionSetupException;
-import org.apache.drill.exec.cache.DistributedCache;
 import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.physical.base.FragmentRoot;
 import org.apache.drill.exec.proto.BitControl.FragmentStatus;
@@ -39,7 +38,6 @@ import 
org.apache.drill.exec.proto.UserBitShared.QueryResult.QueryState;
 import org.apache.drill.exec.proto.UserProtos.RunQuery;
 import org.apache.drill.exec.rpc.RpcException;
 import org.apache.drill.exec.rpc.RpcOutcomeListener;
-import org.apache.drill.exec.rpc.control.ControlTunnel;
 import org.apache.drill.exec.rpc.control.Controller;
 import org.apache.drill.exec.rpc.control.WorkEventBus;
 import org.apache.drill.exec.rpc.user.UserServer.UserClientConnection;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryStatus.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryStatus.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryStatus.java
index 62293fc..f89cec9 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryStatus.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/QueryStatus.java
@@ -17,12 +17,10 @@
  */
 package org.apache.drill.exec.work.foreman;
 
-import com.google.common.collect.Lists;
+import java.io.IOException;
+import java.util.List;
+
 import org.apache.drill.common.exceptions.DrillRuntimeException;
-import org.apache.drill.exec.cache.DistributedCache;
-import org.apache.drill.exec.cache.DistributedCache.CacheConfig;
-import org.apache.drill.exec.cache.DistributedCache.SerializationMode;
-import org.apache.drill.exec.cache.DistributedMap;
 import org.apache.drill.exec.proto.BitControl.FragmentStatus;
 import org.apache.drill.exec.proto.SchemaUserBitShared;
 import org.apache.drill.exec.proto.UserBitShared.MajorFragmentProfile;
@@ -31,17 +29,12 @@ import 
org.apache.drill.exec.proto.UserBitShared.QueryProfile;
 import org.apache.drill.exec.proto.UserBitShared.QueryResult.QueryState;
 import org.apache.drill.exec.proto.UserProtos.RunQuery;
 import org.apache.drill.exec.proto.helper.QueryIdHelper;
-
-import com.carrotsearch.hppc.IntObjectOpenHashMap;
 import org.apache.drill.exec.store.sys.PStore;
 import org.apache.drill.exec.store.sys.PStoreConfig;
 import org.apache.drill.exec.store.sys.PStoreProvider;
-import org.apache.drill.exec.work.foreman.Foreman.ForemanManagerListener;
 
-import java.io.IOException;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import com.carrotsearch.hppc.IntObjectOpenHashMap;
+import com.google.common.collect.Lists;
 
 public class QueryStatus {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(QueryStatus.class);
@@ -133,6 +126,7 @@ public class QueryStatus {
     profileCache.put(queryId, getAsProfile(fullStatus));
   }
 
+  @Override
   public String toString(){
     return fragmentDataMap.toString();
   }
@@ -182,6 +176,7 @@ public class QueryStatus {
       return true;
     }
 
+    @Override
     public String toString(){
       return major + ":" + minor;
     }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/RootStatusReporter.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/RootStatusReporter.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/RootStatusReporter.java
index 6c7694a..8c98296 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/RootStatusReporter.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/foreman/RootStatusReporter.java
@@ -25,7 +25,7 @@ import 
org.apache.drill.exec.work.fragment.AbstractStatusReporter;
 public class RootStatusReporter extends AbstractStatusReporter{
 
   QueryManager runningFragmentManager;
-  
+
   private RootStatusReporter(FragmentContext context){
     super(context);
   }
@@ -35,5 +35,5 @@ public class RootStatusReporter extends 
AbstractStatusReporter{
     runningFragmentManager.statusUpdate(status);
   }
 
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/FragmentManager.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/FragmentManager.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/FragmentManager.java
index 68849ff..2ff2ed4 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/FragmentManager.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/FragmentManager.java
@@ -22,7 +22,6 @@ import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
 import org.apache.drill.exec.record.RawFragmentBatch;
 import org.apache.drill.exec.rpc.RemoteConnection;
-import org.apache.drill.exec.rpc.ResponseSender;
 
 /**
  * The Fragment Manager is responsible managing incoming data and executing a 
fragment. Once enough data and resources

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootFragmentManager.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootFragmentManager.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootFragmentManager.java
index 48d1466..02dec0a 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootFragmentManager.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootFragmentManager.java
@@ -23,18 +23,12 @@ import java.util.concurrent.CopyOnWriteArrayList;
 
 import org.apache.drill.common.exceptions.ExecutionSetupException;
 import org.apache.drill.exec.exception.FragmentSetupException;
-import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
 import org.apache.drill.exec.ops.FragmentContext;
-import org.apache.drill.exec.physical.base.FragmentLeaf;
 import org.apache.drill.exec.physical.base.FragmentRoot;
-import org.apache.drill.exec.physical.impl.ImplCreator;
-import org.apache.drill.exec.physical.impl.RootExec;
-import org.apache.drill.exec.planner.PhysicalPlanReader;
 import org.apache.drill.exec.proto.BitControl.PlanFragment;
 import org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
 import org.apache.drill.exec.record.RawFragmentBatch;
 import org.apache.drill.exec.rpc.RemoteConnection;
-import org.apache.drill.exec.rpc.ResponseSender;
 import org.apache.drill.exec.server.DrillbitContext;
 import org.apache.drill.exec.work.WorkManager.WorkerBee;
 import org.apache.drill.exec.work.batch.IncomingBuffers;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootStatusReporter.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootStatusReporter.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootStatusReporter.java
index 3534500..71da12b 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootStatusReporter.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/NonRootStatusReporter.java
@@ -23,22 +23,22 @@ import 
org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
 import org.apache.drill.exec.rpc.control.ControlTunnel;
 
 /**
- * For all non root fragments, status will be reported back to the foreman 
through a control tunnel.  
+ * For all non root fragments, status will be reported back to the foreman 
through a control tunnel.
  */
 public class NonRootStatusReporter extends AbstractStatusReporter{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(NonRootStatusReporter.class);
-  
+
   private final ControlTunnel tunnel;
 
   public NonRootStatusReporter(FragmentContext context, ControlTunnel tunnel) {
     super(context);
     this.tunnel = tunnel;
   }
-  
+
   @Override
   protected void statusChange(FragmentHandle handle, FragmentStatus status) {
     logger.debug("Sending status change message message to remote node: " + 
status);
     tunnel.sendFragmentStatus(status);
   }
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/RootFragmentManager.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/RootFragmentManager.java
 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/RootFragmentManager.java
index 4b9ee52..75dd923 100644
--- 
a/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/RootFragmentManager.java
+++ 
b/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/RootFragmentManager.java
@@ -25,7 +25,6 @@ import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
 import org.apache.drill.exec.record.RawFragmentBatch;
 import org.apache.drill.exec.rpc.RemoteConnection;
-import org.apache.drill.exec.rpc.ResponseSender;
 import org.apache.drill.exec.work.batch.IncomingBuffers;
 
 public class RootFragmentManager implements FragmentManager{

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/parquet/hadoop/CodecFactoryExposer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/parquet/hadoop/CodecFactoryExposer.java 
b/exec/java-exec/src/main/java/parquet/hadoop/CodecFactoryExposer.java
index 7868a53..d6584bb 100644
--- a/exec/java-exec/src/main/java/parquet/hadoop/CodecFactoryExposer.java
+++ b/exec/java-exec/src/main/java/parquet/hadoop/CodecFactoryExposer.java
@@ -17,6 +17,8 @@
  */
 package parquet.hadoop;
 
+import io.netty.buffer.ByteBuf;
+
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.ByteBuffer;
@@ -25,15 +27,13 @@ import java.nio.channels.WritableByteChannel;
 import java.util.HashMap;
 import java.util.Map;
 
-import io.netty.buffer.ByteBuf;
 import org.apache.drill.common.exceptions.DrillRuntimeException;
 import org.apache.hadoop.conf.Configuration;
-
 import org.apache.hadoop.io.compress.CompressionCodec;
 import org.apache.hadoop.io.compress.DirectDecompressionCodec;
 import org.apache.hadoop.util.ReflectionUtils;
+
 import parquet.bytes.BytesInput;
-import parquet.hadoop.CodecFactory.BytesDecompressor;
 import parquet.hadoop.metadata.CompressionCodecName;
 
 public class CodecFactoryExposer{
@@ -115,6 +115,7 @@ public class CodecFactoryExposer{
       this.length = length;
     }
 
+    @Override
     public void writeAllTo(OutputStream out) throws IOException {
       final WritableByteChannel outputChannel = Channels.newChannel(out);
       byteBuf.position(offset);
@@ -123,6 +124,7 @@ public class CodecFactoryExposer{
       outputChannel.write(tempBuf);
     }
 
+    @Override
     public ByteBuffer toByteBuffer() throws IOException {
       byteBuf.position(offset);
       ByteBuffer buf = byteBuf.slice();
@@ -130,6 +132,7 @@ public class CodecFactoryExposer{
       return buf;
     }
 
+    @Override
     public long size() {
       return length;
     }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkIncReadStore.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkIncReadStore.java 
b/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkIncReadStore.java
index 50107ac..2a3124c 100644
--- a/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkIncReadStore.java
+++ b/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkIncReadStore.java
@@ -18,12 +18,20 @@
 package parquet.hadoop;
 
 import io.netty.buffer.ByteBuf;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 import org.apache.drill.exec.memory.BufferAllocator;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.io.compress.Decompressor;
+
 import parquet.bytes.BytesInput;
 import parquet.column.ColumnDescriptor;
 import parquet.column.page.DictionaryPage;
@@ -31,21 +39,12 @@ import parquet.column.page.Page;
 import parquet.column.page.PageReadStore;
 import parquet.column.page.PageReader;
 import parquet.format.PageHeader;
-import parquet.format.PageType;
 import parquet.format.Util;
 import parquet.format.converter.ParquetMetadataConverter;
 import parquet.hadoop.CodecFactory.BytesDecompressor;
 import parquet.hadoop.metadata.ColumnChunkMetaData;
-import parquet.hadoop.metadata.FileMetaData;
 import parquet.hadoop.util.CompatibilityUtil;
 
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
 
 public class ColumnChunkIncReadStore implements PageReadStore {
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkPageWriteStoreExposer.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkPageWriteStoreExposer.java
 
b/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkPageWriteStoreExposer.java
index 0ffc3ba..0e9dec0 100644
--- 
a/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkPageWriteStoreExposer.java
+++ 
b/exec/java-exec/src/main/java/parquet/hadoop/ColumnChunkPageWriteStoreExposer.java
@@ -17,16 +17,17 @@
  */
 package parquet.hadoop;
 
+import java.io.IOException;
+
 import org.apache.drill.exec.ops.OperatorContext;
 import org.apache.drill.exec.store.parquet.ParquetDirectByteBufferAllocator;
 import org.apache.hadoop.conf.Configuration;
+
 import parquet.column.page.PageWriteStore;
 import parquet.hadoop.CodecFactory.BytesCompressor;
 import parquet.hadoop.metadata.CompressionCodecName;
 import parquet.schema.MessageType;
 
-import java.io.IOException;
-
 public class ColumnChunkPageWriteStoreExposer {
 
   public static ColumnChunkPageWriteStore 
newColumnChunkPageWriteStore(OperatorContext oContext,

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/ParquetSchemaMerge.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/ParquetSchemaMerge.java 
b/exec/java-exec/src/test/java/org/apache/drill/ParquetSchemaMerge.java
index af38d08..f9cfdb5 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/ParquetSchemaMerge.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/ParquetSchemaMerge.java
@@ -21,7 +21,6 @@ import parquet.schema.GroupType;
 import parquet.schema.MessageType;
 import parquet.schema.PrimitiveType;
 import parquet.schema.PrimitiveType.PrimitiveTypeName;
-import parquet.schema.Type;
 import parquet.schema.Type.Repetition;
 
 public class ParquetSchemaMerge {

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/PlanningBase.java
----------------------------------------------------------------------
diff --git a/exec/java-exec/src/test/java/org/apache/drill/PlanningBase.java 
b/exec/java-exec/src/test/java/org/apache/drill/PlanningBase.java
index f01a706..aca7d06 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/PlanningBase.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/PlanningBase.java
@@ -17,15 +17,14 @@
  */
 package org.apache.drill;
 
-import com.codahale.metrics.MetricRegistry;
-import com.google.common.base.Charsets;
-import com.google.common.collect.ImmutableList;
-import com.google.common.io.Resources;
+import java.io.IOException;
+import java.net.URL;
+
 import mockit.Mocked;
 import mockit.NonStrictExpectations;
 import net.hydromatic.optiq.SchemaPlus;
 import net.hydromatic.optiq.jdbc.SimpleOptiqSchema;
-import net.hydromatic.optiq.tools.Frameworks;
+
 import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.common.util.TestTools;
 import org.apache.drill.exec.ExecTest;
@@ -49,8 +48,10 @@ import 
org.apache.drill.exec.store.sys.local.LocalPStoreProvider;
 import org.junit.Rule;
 import org.junit.rules.TestRule;
 
-import java.io.IOException;
-import java.net.URL;
+import com.codahale.metrics.MetricRegistry;
+import com.google.common.base.Charsets;
+import com.google.common.collect.ImmutableList;
+import com.google.common.io.Resources;
 
 public class PlanningBase extends ExecTest{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(PlanningBase.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/TestAltSortQueries.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/TestAltSortQueries.java 
b/exec/java-exec/src/test/java/org/apache/drill/TestAltSortQueries.java
index de1b49a..5768908 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/TestAltSortQueries.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/TestAltSortQueries.java
@@ -17,12 +17,7 @@
  */
 package org.apache.drill;
 
-import org.apache.drill.common.util.TestTools;
-import org.apache.drill.exec.client.QuerySubmitter;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.TestRule;
-import org.junit.Ignore;
 
 public class TestAltSortQueries extends BaseTestQuery{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(TestAltSortQueries.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/TestExampleQueries.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/TestExampleQueries.java 
b/exec/java-exec/src/test/java/org/apache/drill/TestExampleQueries.java
index 58a1813..c54772f 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/TestExampleQueries.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/TestExampleQueries.java
@@ -19,7 +19,6 @@ package org.apache.drill;
 
 import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.rpc.RpcException;
-import org.junit.Ignore;
 import org.junit.Test;
 
 public class TestExampleQueries extends BaseTestQuery{
@@ -31,7 +30,7 @@ public class TestExampleQueries extends BaseTestQuery{
     test("select * from cp.`parquet/complex.parquet`");
     test("select recipe, c.inventor.name as name, c.inventor.age as age from 
cp.`parquet/complex.parquet` c");
   }
-  
+
   @Test // see DRILL-553
   public void testQueryWithNullValues() throws Exception {
     test("select count(*) from cp.`customer.json` limit 1");
@@ -111,8 +110,8 @@ public class TestExampleQueries extends BaseTestQuery{
   }
 
   @Test // DRILL-1293
-  public void testStarView1() throws Exception { 
-    test("use dfs.tmp");  
+  public void testStarView1() throws Exception {
+    test("use dfs.tmp");
     test("create view vt1 as select * from cp.`tpch/region.parquet` r, 
cp.`tpch/nation.parquet` n where r.r_regionkey = n.n_regionkey");
     test("select * from vt1");
     test("drop view vt1");
@@ -313,7 +312,7 @@ public class TestExampleQueries extends BaseTestQuery{
     test("select n.n_nationkey from cp.`tpch/nation.parquet` n, 
cp.`tpch/region.parquet` r where n.n_regionkey = r.r_regionkey limit 0");
     test("select n_regionkey, count(*) from cp.`tpch/nation.parquet` group by 
n_regionkey limit 0");
   }
-  
+
   @Test
   public void testTextJoin() throws Exception {
     String root = 
FileUtils.getResourceAsFile("/store/text/data/nations.csv").toURI().toString();

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/TestProjectPushDown.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/TestProjectPushDown.java 
b/exec/java-exec/src/test/java/org/apache/drill/TestProjectPushDown.java
index 8520b9b..e45b248 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/TestProjectPushDown.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/TestProjectPushDown.java
@@ -18,8 +18,6 @@
 
 package org.apache.drill;
 
-import java.util.List;
-
 import org.junit.Ignore;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/TestTpchDistributed.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/TestTpchDistributed.java 
b/exec/java-exec/src/test/java/org/apache/drill/TestTpchDistributed.java
index adf5778..254d9be 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/TestTpchDistributed.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/TestTpchDistributed.java
@@ -132,7 +132,7 @@ public class TestTpchDistributed extends BaseTestQuery{
   public void tpch19_1() throws Exception{
     testDistributed("queries/tpch/19_1.sql");
   }
-  
+
   @Test
   public void tpch20() throws Exception{
     testDistributed("queries/tpch/20.sql");

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/TestUnionAll.java
----------------------------------------------------------------------
diff --git a/exec/java-exec/src/test/java/org/apache/drill/TestUnionAll.java 
b/exec/java-exec/src/test/java/org/apache/drill/TestUnionAll.java
index c21298e..bf0eea0 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/TestUnionAll.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/TestUnionAll.java
@@ -17,46 +17,45 @@
  */
 package org.apache.drill;
 
-import org.junit.Ignore;
 import org.junit.Test;
 
 public class TestUnionAll extends BaseTestQuery{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(TestUnionAll.class);
-  
+
   @Test    // Simple Union-All over two scans
   public void testUnionAll1() throws Exception {
-    test("select n_regionkey from cp.`tpch/nation.parquet` union all select 
r_regionkey from cp.`tpch/region.parquet`");  
+    test("select n_regionkey from cp.`tpch/nation.parquet` union all select 
r_regionkey from cp.`tpch/region.parquet`");
   }
 
   @Test  // Union-All over inner joins
   public void testUnionAll2() throws Exception {
     test("select n1.n_nationkey from cp.`tpch/nation.parquet` n1 inner join 
cp.`tpch/region.parquet` r1 on n1.n_regionkey = r1.r_regionkey where 
n1.n_nationkey in (1, 2)  union all select n2.n_nationkey from 
cp.`tpch/nation.parquet` n2 inner join cp.`tpch/region.parquet` r2 on 
n2.n_regionkey = r2.r_regionkey where n2.n_nationkey in (3, 4)");
   }
-  
+
   @Test  // Union-All over grouped aggregates
   public void testUnionAll3() throws Exception {
     test("select n1.n_nationkey from cp.`tpch/nation.parquet` n1 where 
n1.n_nationkey in (1, 2) group by n1.n_nationkey union all select 
r1.r_regionkey from cp.`tpch/region.parquet` r1 group by r1.r_regionkey");
   }
-  
+
   @Test    // Chain of Union-Alls
   public void testUnionAll4() throws Exception {
-    test("select n_regionkey from cp.`tpch/nation.parquet` union all select 
r_regionkey from cp.`tpch/region.parquet` union all select n_nationkey from 
cp.`tpch/nation.parquet` union all select c_custkey from 
cp.`tpch/customer.parquet` where c_custkey < 5");  
+    test("select n_regionkey from cp.`tpch/nation.parquet` union all select 
r_regionkey from cp.`tpch/region.parquet` union all select n_nationkey from 
cp.`tpch/nation.parquet` union all select c_custkey from 
cp.`tpch/customer.parquet` where c_custkey < 5");
   }
-  
+
   @Test  // Union-All of all columns in the table
   public void testUnionAll5() throws Exception {
     test("select * from cp.`tpch/region.parquet` r1 union all select * from 
cp.`tpch/region.parquet` r2");
   }
-  
+
   @Test // Union-All where same column is projected twice in right child
   public void testUnionAll6() throws Exception {
     test("select n_nationkey, n_regionkey from cp.`tpch/nation.parquet` where 
n_regionkey = 1 union all select r_regionkey, r_regionkey from 
cp.`tpch/region.parquet` where r_regionkey = 2");
-  } 
-  
+  }
+
   @Test // Union-All where same column is projected twice in left and right 
child
   public void testUnionAll6_1() throws Exception {
     test("select n_nationkey, n_nationkey from cp.`tpch/nation.parquet` union 
all select r_regionkey, r_regionkey from cp.`tpch/region.parquet`");
-  } 
+  }
 
   @Test  // Union-all of two string literals of different lengths
   public void testUnionAll7() throws Exception {
@@ -65,8 +64,8 @@ public class TestUnionAll extends BaseTestQuery{
 
   @Test  // Union-all of two character columns of different lengths
   public void testUnionAll8() throws Exception {
-    test("select n_name from cp.`tpch/nation.parquet` union all select 
r_comment from cp.`tpch/region.parquet`");  
+    test("select n_name from cp.`tpch/nation.parquet` union all select 
r_comment from cp.`tpch/region.parquet`");
   }
-  
-  
+
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/DrillSystemTestBase.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/DrillSystemTestBase.java 
b/exec/java-exec/src/test/java/org/apache/drill/exec/DrillSystemTestBase.java
index dee865e..75ba3a9 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/DrillSystemTestBase.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/DrillSystemTestBase.java
@@ -19,15 +19,11 @@ package org.apache.drill.exec;
 
 import static com.google.common.base.Throwables.propagate;
 
-import java.io.File;
-import java.io.IOException;
 import java.util.List;
 
 import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.exec.exception.DrillbitStartupException;
 import org.apache.drill.exec.server.Drillbit;
-import org.apache.drill.exec.util.MiniZooKeeperCluster;
-import org.junit.BeforeClass;
 import org.slf4j.Logger;
 
 import com.google.common.collect.ImmutableList;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/SortTest.java
----------------------------------------------------------------------
diff --git a/exec/java-exec/src/test/java/org/apache/drill/exec/SortTest.java 
b/exec/java-exec/src/test/java/org/apache/drill/exec/SortTest.java
index 7cdf969..0a3ad74 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/exec/SortTest.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/exec/SortTest.java
@@ -27,10 +27,10 @@ public class SortTest {
   private static final int RECORD_COUNT = 10*1000*1000;
   private static final int KEY_SIZE = 10;
   private static final int DATA_SIZE = 90;
-  private static final int RECORD_SIZE = KEY_SIZE + DATA_SIZE; 
-  
+  private static final int RECORD_SIZE = KEY_SIZE + DATA_SIZE;
+
   private byte[] data;
-  
+
   public static void main(String[] args) throws Exception{
     for(int i =0; i < 100; i++){
       SortTest st = new SortTest();
@@ -40,7 +40,7 @@ public class SortTest {
       System.out.println(" ns.");
     }
   }
-  
+
   SortTest(){
     System.out.print("Generating data... ");
     data = new byte[RECORD_SIZE*RECORD_COUNT];
@@ -48,7 +48,7 @@ public class SortTest {
     r.nextBytes(data);
     System.out.print("Data generated. ");
   }
-  
+
   public long doSort(){
     QuickSort qs = new QuickSort();
     ByteSortable b = new ByteSortable();
@@ -56,11 +56,11 @@ public class SortTest {
     qs.sort(b, 0, RECORD_COUNT);
     return System.nanoTime() - nano;
   }
-  
+
   private class ByteSortable implements IndexedSortable{
     final byte[] space = new byte[RECORD_SIZE];
     final BytesWritable.Comparator comparator = new BytesWritable.Comparator();
-    
+
     @Override
     public int compare(int index1, int index2) {
       return comparator.compare(data, index1*RECORD_SIZE, KEY_SIZE, data, 
index2*RECORD_SIZE, KEY_SIZE);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/TestQueriesOnLargeFile.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/TestQueriesOnLargeFile.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/TestQueriesOnLargeFile.java
index ec6c251..67b102d 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/TestQueriesOnLargeFile.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/TestQueriesOnLargeFile.java
@@ -18,10 +18,14 @@
 
 package org.apache.drill.exec;
 
-import com.google.common.base.Charsets;
-import com.google.common.io.Files;
-import org.apache.drill.common.util.FileUtils;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.util.List;
+
 import org.apache.drill.BaseTestQuery;
+import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
 import org.apache.drill.exec.vector.BigIntVector;
@@ -29,11 +33,8 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import java.io.File;
-import java.io.PrintWriter;
-import java.util.List;
-
-import static org.junit.Assert.assertTrue;
+import com.google.common.base.Charsets;
+import com.google.common.io.Files;
 
 public class TestQueriesOnLargeFile extends BaseTestQuery {
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(TestQueriesOnLargeFile.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/cache/TestCacheSerialization.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/cache/TestCacheSerialization.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/cache/TestCacheSerialization.java
index d548f6a..d507913 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/cache/TestCacheSerialization.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/cache/TestCacheSerialization.java
@@ -20,7 +20,6 @@ package org.apache.drill.exec.cache;
 import java.util.List;
 
 import org.apache.drill.common.config.DrillConfig;
-import org.apache.drill.common.expression.ExpressionPosition;
 import org.apache.drill.common.expression.SchemaPath;
 import org.apache.drill.common.types.TypeProtos;
 import org.apache.drill.common.types.Types;
@@ -38,7 +37,6 @@ import org.apache.drill.exec.record.VectorAccessible;
 import org.apache.drill.exec.record.VectorContainer;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.record.WritableBatch;
-import org.apache.drill.exec.server.RemoteServiceSet;
 import org.apache.drill.exec.server.options.OptionValue;
 import org.apache.drill.exec.server.options.OptionValue.OptionType;
 import org.apache.drill.exec.vector.AllocationHelper;
@@ -51,7 +49,6 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 
 import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
 
 public class TestCacheSerialization extends ExecTest {
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/client/DumpCatTest.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/client/DumpCatTest.java 
b/exec/java-exec/src/test/java/org/apache/drill/exec/client/DumpCatTest.java
index e678c29..f4f4966 100644
--- a/exec/java-exec/src/test/java/org/apache/drill/exec/client/DumpCatTest.java
+++ b/exec/java-exec/src/test/java/org/apache/drill/exec/client/DumpCatTest.java
@@ -26,8 +26,8 @@ import mockit.NonStrictExpectations;
 
 import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.common.util.FileUtils;
-import org.apache.drill.exec.ExecTest;
 import org.apache.drill.exec.ExecConstants;
+import org.apache.drill.exec.ExecTest;
 import org.apache.drill.exec.compile.CodeCompiler;
 import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
 import org.apache.drill.exec.memory.TopLevelAllocator;
@@ -47,7 +47,6 @@ import org.apache.drill.exec.server.DrillbitContext;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.junit.AfterClass;
 import org.junit.Test;
 
 import com.codahale.metrics.MetricRegistry;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplate.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplate.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplate.java
index 0011905..4fc5b3a 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplate.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplate.java
@@ -24,7 +24,7 @@ public abstract class ExampleTemplate implements 
ExampleExternalInterface{
   public final String getData() {
     return this.getInternalData();
   }
-  
+
   abstract String getInternalData();
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplateWithInner.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplateWithInner.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplateWithInner.java
index 418d714..f80ca36 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplateWithInner.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/compile/ExampleTemplateWithInner.java
@@ -21,30 +21,30 @@ import org.apache.drill.exec.compile.sig.RuntimeOverridden;
 
 public abstract class ExampleTemplateWithInner implements ExampleInner{
   static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(ExampleTemplateWithInner.class);
-  
+
   public abstract void doOutside();
   public class TheInnerClass{
-    
+
     @RuntimeOverridden
     public void doInside(){};
-    
-    
+
+
     public void doDouble(){
       DoubleInner di = new DoubleInner();
       di.doDouble();
     }
-    
+
     public class DoubleInner{
       @RuntimeOverridden
       public void doDouble(){};
     }
-    
+
   }
-  
+
   public void doInsideOutside(){
     TheInnerClass inner = new TheInnerClass();
     inner.doInside();
     inner.doDouble();
   }
-  
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/expr/ExpressionTest.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/expr/ExpressionTest.java 
b/exec/java-exec/src/test/java/org/apache/drill/exec/expr/ExpressionTest.java
index 392af18..2311cfd 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/expr/ExpressionTest.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/expr/ExpressionTest.java
@@ -46,7 +46,6 @@ import org.apache.drill.exec.record.TypedFieldId;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.vector.IntVector;
 import org.apache.drill.exec.vector.ValueVector;
-import org.junit.AfterClass;
 import org.junit.Test;
 
 public class ExpressionTest extends ExecTest {

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestByteComparisonFunctions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestByteComparisonFunctions.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestByteComparisonFunctions.java
index 632f5a4..5ec162d 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestByteComparisonFunctions.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestByteComparisonFunctions.java
@@ -17,7 +17,7 @@
  */
 package org.apache.drill.exec.fn.impl;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertTrue;
 
 import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.exec.ExecTest;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestMultiInputAdd.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestMultiInputAdd.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestMultiInputAdd.java
index 8e6813c..9b8070b 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestMultiInputAdd.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestMultiInputAdd.java
@@ -18,18 +18,16 @@
 
 package org.apache.drill.exec.fn.impl;
 
-import com.codahale.metrics.MetricRegistry;
-import com.google.common.base.Charsets;
-import com.google.common.io.Files;
+import static org.junit.Assert.assertTrue;
+
+import java.util.List;
+
 import mockit.Injectable;
-import mockit.NonStrictExpectations;
+
 import org.apache.drill.common.config.DrillConfig;
-import org.apache.drill.common.expression.ExpressionPosition;
-import org.apache.drill.common.expression.SchemaPath;
 import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.client.DrillClient;
 import org.apache.drill.exec.pop.PopUnitTestBase;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
@@ -37,14 +35,11 @@ import org.apache.drill.exec.rpc.user.UserServer;
 import org.apache.drill.exec.server.Drillbit;
 import org.apache.drill.exec.server.DrillbitContext;
 import org.apache.drill.exec.server.RemoteServiceSet;
-import org.apache.drill.exec.vector.IntVector;
-import org.apache.drill.exec.vector.Float8Vector;
 import org.apache.drill.exec.vector.ValueVector;
 import org.junit.Test;
 
-import java.util.List;
-
-import static org.junit.Assert.assertTrue;
+import com.google.common.base.Charsets;
+import com.google.common.io.Files;
 
 public class TestMultiInputAdd extends PopUnitTestBase {
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestNewMathFunctions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestNewMathFunctions.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestNewMathFunctions.java
index 3d41f0b..28e667e 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestNewMathFunctions.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestNewMathFunctions.java
@@ -37,8 +37,8 @@ import org.apache.drill.exec.physical.impl.ImplCreator;
 import org.apache.drill.exec.physical.impl.OperatorCreatorRegistry;
 import org.apache.drill.exec.physical.impl.SimpleRootExec;
 import org.apache.drill.exec.planner.PhysicalPlanReader;
-import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.proto.BitControl.PlanFragment;
+import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.rpc.user.UserServer;
 import org.apache.drill.exec.server.DrillbitContext;
 import org.apache.drill.exec.vector.ValueVector;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestRepeatedFunction.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestRepeatedFunction.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestRepeatedFunction.java
index fd71dd9..73c7508 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestRepeatedFunction.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestRepeatedFunction.java
@@ -43,7 +43,6 @@ import 
org.apache.drill.exec.rpc.user.UserServer.UserClientConnection;
 import org.apache.drill.exec.server.DrillbitContext;
 import org.apache.drill.exec.vector.BitVector;
 import org.apache.drill.exec.vector.IntVector;
-import org.junit.AfterClass;
 import org.junit.Test;
 
 import com.codahale.metrics.MetricRegistry;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/memory/TestEndianess.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/memory/TestEndianess.java 
b/exec/java-exec/src/test/java/org/apache/drill/exec/memory/TestEndianess.java
index d94b53a..48ddada 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/memory/TestEndianess.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/memory/TestEndianess.java
@@ -21,7 +21,6 @@ import static org.junit.Assert.assertEquals;
 import io.netty.buffer.ByteBuf;
 
 import org.apache.drill.exec.ExecTest;
-import org.apache.drill.exec.memory.TopLevelAllocator;
 import org.junit.Test;
 
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/SimpleRootExec.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/SimpleRootExec.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/SimpleRootExec.java
index db8ff8e..a15b503 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/SimpleRootExec.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/SimpleRootExec.java
@@ -25,7 +25,6 @@ import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.physical.impl.ScreenCreator.ScreenRoot;
 import org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
 import org.apache.drill.exec.record.RecordBatch;
-import org.apache.drill.exec.record.RecordBatch.IterOutcome;
 import org.apache.drill.exec.record.TypedFieldId;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.record.selection.SelectionVector2;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastFunctions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastFunctions.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastFunctions.java
index 457e0b1..0d9f014 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastFunctions.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastFunctions.java
@@ -48,7 +48,6 @@ import org.apache.drill.exec.planner.PhysicalPlanReader;
 import org.apache.drill.exec.pop.PopUnitTestBase;
 import org.apache.drill.exec.proto.BitControl.PlanFragment;
 import org.apache.drill.exec.proto.CoordinationProtos;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.record.VectorAccessible;
 import org.apache.drill.exec.record.VectorWrapper;
@@ -63,7 +62,6 @@ import org.apache.drill.exec.vector.Float8Vector;
 import org.apache.drill.exec.vector.IntVector;
 import org.apache.drill.exec.vector.VarBinaryVector;
 import org.apache.drill.exec.vector.VarCharVector;
-import org.junit.After;
 import org.junit.Test;
 
 import com.codahale.metrics.MetricRegistry;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastVarCharToBigInt.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastVarCharToBigInt.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastVarCharToBigInt.java
index c0fd23a..dcc2fde 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastVarCharToBigInt.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastVarCharToBigInt.java
@@ -25,13 +25,11 @@ import java.util.List;
 import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.client.DrillClient;
 import org.apache.drill.exec.pop.PopUnitTestBase;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
 import org.apache.drill.exec.server.Drillbit;
 import org.apache.drill.exec.server.RemoteServiceSet;
-import org.apache.drill.exec.vector.NullableBigIntVector;
 import org.apache.drill.exec.vector.ValueVector;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestComparisonFunctions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestComparisonFunctions.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestComparisonFunctions.java
index da018c3..421c3f5 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestComparisonFunctions.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestComparisonFunctions.java
@@ -17,10 +17,8 @@
  */
 package org.apache.drill.exec.physical.impl;
 
-import com.google.common.base.Charsets;
-import com.google.common.io.Resources;
-import com.codahale.metrics.MetricRegistry;
-
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import mockit.Injectable;
 import mockit.NonStrictExpectations;
 
@@ -28,23 +26,20 @@ import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.exec.ExecTest;
 import org.apache.drill.exec.compile.CodeCompiler;
 import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
-import org.apache.drill.exec.memory.BufferAllocator;
 import org.apache.drill.exec.memory.TopLevelAllocator;
 import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.physical.PhysicalPlan;
 import org.apache.drill.exec.physical.base.FragmentRoot;
 import org.apache.drill.exec.planner.PhysicalPlanReader;
-import org.apache.drill.exec.proto.CoordinationProtos;
-import org.apache.drill.exec.proto.ExecProtos;
 import org.apache.drill.exec.proto.BitControl.PlanFragment;
+import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.rpc.user.UserServer;
 import org.apache.drill.exec.server.DrillbitContext;
-import org.apache.drill.exec.vector.ValueVector;
-import org.junit.AfterClass;
 import org.junit.Test;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import com.codahale.metrics.MetricRegistry;
+import com.google.common.base.Charsets;
+import com.google.common.io.Resources;
 
 public class TestComparisonFunctions extends ExecTest {
     static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(TestComparisonFunctions.class);

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestDecimal.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestDecimal.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestDecimal.java
index 489336a..780e20e 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestDecimal.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestDecimal.java
@@ -27,14 +27,12 @@ import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.client.DrillClient;
 import org.apache.drill.exec.pop.PopUnitTestBase;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
 import org.apache.drill.exec.server.Drillbit;
 import org.apache.drill.exec.server.RemoteServiceSet;
 import org.apache.drill.exec.vector.ValueVector;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import com.google.common.base.Charsets;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestHashToRandomExchange.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestHashToRandomExchange.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestHashToRandomExchange.java
index f769f1e..e3fca85 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestHashToRandomExchange.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestHashToRandomExchange.java
@@ -24,11 +24,9 @@ import java.util.List;
 import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.client.DrillClient;
 import org.apache.drill.exec.pop.PopUnitTestBase;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
 import org.apache.drill.exec.server.Drillbit;
 import org.apache.drill.exec.server.RemoteServiceSet;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import com.google.common.base.Charsets;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestImplicitCastFunctions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestImplicitCastFunctions.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestImplicitCastFunctions.java
index 2ff99c8..13c9364 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestImplicitCastFunctions.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestImplicitCastFunctions.java
@@ -36,7 +36,6 @@ import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.rpc.user.UserServer;
 import org.apache.drill.exec.server.DrillbitContext;
 import org.apache.drill.exec.vector.ValueVector;
-import org.junit.AfterClass;
 import org.junit.Test;
 
 import com.codahale.metrics.MetricRegistry;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestOptiqPlans.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestOptiqPlans.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestOptiqPlans.java
index 93a387f..a62409b 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestOptiqPlans.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestOptiqPlans.java
@@ -28,11 +28,9 @@ import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.ExecTest;
 import org.apache.drill.exec.cache.DistributedCache;
 import org.apache.drill.exec.client.DrillClient;
-import org.apache.drill.exec.compile.CodeCompiler;
 import org.apache.drill.exec.coord.ClusterCoordinator;
 import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
 import org.apache.drill.exec.expr.holders.VarBinaryHolder;
-import org.apache.drill.exec.memory.BufferAllocator;
 import org.apache.drill.exec.memory.TopLevelAllocator;
 import org.apache.drill.exec.ops.FragmentContext;
 import org.apache.drill.exec.ops.QueryContext;
@@ -40,12 +38,10 @@ import org.apache.drill.exec.opt.BasicOptimizer;
 import org.apache.drill.exec.physical.PhysicalPlan;
 import org.apache.drill.exec.physical.base.FragmentRoot;
 import org.apache.drill.exec.planner.PhysicalPlanReader;
-import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.proto.BitControl.PlanFragment;
+import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.proto.CoordinationProtos.DrillbitEndpoint;
-import org.apache.drill.exec.proto.ExecProtos.FragmentHandle;
 import org.apache.drill.exec.proto.UserBitShared.QueryId;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.rpc.control.Controller;
@@ -62,7 +58,6 @@ import org.apache.drill.exec.store.StoragePluginRegistry;
 import org.apache.drill.exec.store.sys.local.LocalPStoreProvider;
 import org.apache.drill.exec.vector.ValueVector;
 import org.apache.drill.exec.vector.VarBinaryVector;
-import org.junit.AfterClass;
 import org.junit.Ignore;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestReverseImplicitCast.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestReverseImplicitCast.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestReverseImplicitCast.java
index c8209ac..2880b18 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestReverseImplicitCast.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestReverseImplicitCast.java
@@ -17,13 +17,17 @@
  */
 package org.apache.drill.exec.physical.impl;
 
-import com.google.common.base.Charsets;
-import com.google.common.io.Files;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Iterator;
+import java.util.List;
+
 import mockit.Injectable;
+
 import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.client.DrillClient;
 import org.apache.drill.exec.pop.PopUnitTestBase;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.record.RecordBatchLoader;
 import org.apache.drill.exec.record.VectorWrapper;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
@@ -34,11 +38,8 @@ import org.apache.drill.exec.server.RemoteServiceSet;
 import org.apache.drill.exec.vector.ValueVector;
 import org.junit.Test;
 
-import java.util.Iterator;
-import java.util.List;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import com.google.common.base.Charsets;
+import com.google.common.io.Files;
 
 public class TestReverseImplicitCast extends PopUnitTestBase {
 

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestStringFunctions.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestStringFunctions.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestStringFunctions.java
index 2e60893..a48510f 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestStringFunctions.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestStringFunctions.java
@@ -24,7 +24,6 @@ import mockit.NonStrictExpectations;
 
 import org.apache.drill.common.config.DrillConfig;
 import org.apache.drill.exec.ExecTest;
-import org.apache.drill.exec.cache.local.LocalCache;
 import org.apache.drill.exec.compile.CodeCompiler;
 import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
 import org.apache.drill.exec.memory.TopLevelAllocator;
@@ -36,8 +35,6 @@ import org.apache.drill.exec.proto.BitControl.PlanFragment;
 import org.apache.drill.exec.proto.CoordinationProtos;
 import org.apache.drill.exec.rpc.user.UserServer;
 import org.apache.drill.exec.server.DrillbitContext;
-import org.apache.drill.exec.server.options.SystemOptionManager;
-import org.apache.drill.exec.store.sys.local.LocalPStoreProvider;
 import org.apache.drill.exec.vector.ValueVector;
 import org.apache.drill.exec.vector.VarCharVector;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/39990292/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestUnionExchange.java
----------------------------------------------------------------------
diff --git 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestUnionExchange.java
 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestUnionExchange.java
index 6240e81..4ad215d 100644
--- 
a/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestUnionExchange.java
+++ 
b/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestUnionExchange.java
@@ -17,20 +17,20 @@
  */
 package org.apache.drill.exec.physical.impl;
 
-import com.google.common.base.Charsets;
-import com.google.common.io.Files;
+import static org.junit.Assert.assertEquals;
+
+import java.util.List;
+
 import org.apache.drill.common.util.FileUtils;
 import org.apache.drill.exec.client.DrillClient;
 import org.apache.drill.exec.pop.PopUnitTestBase;
-import org.apache.drill.exec.proto.UserProtos;
 import org.apache.drill.exec.rpc.user.QueryResultBatch;
 import org.apache.drill.exec.server.Drillbit;
 import org.apache.drill.exec.server.RemoteServiceSet;
 import org.junit.Test;
 
-import java.util.List;
-
-import static org.junit.Assert.assertEquals;
+import com.google.common.base.Charsets;
+import com.google.common.io.Files;
 
 
 public class TestUnionExchange extends PopUnitTestBase {

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