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-rw-r--r--network/common/src/main/java/org/apache/spark/network/TransportContext.java1
-rw-r--r--network/common/src/main/java/org/apache/spark/network/protocol/ChunkFetchFailure.java1
-rw-r--r--network/common/src/main/java/org/apache/spark/network/protocol/Encoders.java1
-rw-r--r--network/common/src/main/java/org/apache/spark/network/protocol/RpcFailure.java1
-rw-r--r--network/common/src/main/java/org/apache/spark/network/server/TransportServer.java1
-rw-r--r--network/common/src/main/java/org/apache/spark/network/util/JavaUtils.java10
-rw-r--r--network/common/src/main/java/org/apache/spark/network/util/NettyUtils.java1
-rw-r--r--network/shuffle/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java3
-rw-r--r--network/shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockFetcher.java1
-rw-r--r--network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/OpenBlocks.java1
-rw-r--r--network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/RegisterExecutor.java1
-rw-r--r--network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/StreamHandle.java2
-rw-r--r--network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/UploadBlock.java1
-rw-r--r--network/shuffle/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java6
-rw-r--r--network/shuffle/src/test/java/org/apache/spark/network/shuffle/OneForOneBlockFetcherSuite.java9
15 files changed, 12 insertions, 28 deletions
diff --git a/network/common/src/main/java/org/apache/spark/network/TransportContext.java b/network/common/src/main/java/org/apache/spark/network/TransportContext.java
index 5bc6e5a241..f0a89c9d91 100644
--- a/network/common/src/main/java/org/apache/spark/network/TransportContext.java
+++ b/network/common/src/main/java/org/apache/spark/network/TransportContext.java
@@ -35,7 +35,6 @@ import org.apache.spark.network.server.RpcHandler;
import org.apache.spark.network.server.TransportChannelHandler;
import org.apache.spark.network.server.TransportRequestHandler;
import org.apache.spark.network.server.TransportServer;
-import org.apache.spark.network.server.StreamManager;
import org.apache.spark.network.util.NettyUtils;
import org.apache.spark.network.util.TransportConf;
diff --git a/network/common/src/main/java/org/apache/spark/network/protocol/ChunkFetchFailure.java b/network/common/src/main/java/org/apache/spark/network/protocol/ChunkFetchFailure.java
index 986957c150..f76bb49e87 100644
--- a/network/common/src/main/java/org/apache/spark/network/protocol/ChunkFetchFailure.java
+++ b/network/common/src/main/java/org/apache/spark/network/protocol/ChunkFetchFailure.java
@@ -17,7 +17,6 @@
package org.apache.spark.network.protocol;
-import com.google.common.base.Charsets;
import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;
diff --git a/network/common/src/main/java/org/apache/spark/network/protocol/Encoders.java b/network/common/src/main/java/org/apache/spark/network/protocol/Encoders.java
index 873c694250..9162d0b977 100644
--- a/network/common/src/main/java/org/apache/spark/network/protocol/Encoders.java
+++ b/network/common/src/main/java/org/apache/spark/network/protocol/Encoders.java
@@ -20,7 +20,6 @@ package org.apache.spark.network.protocol;
import com.google.common.base.Charsets;
import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
/** Provides a canonical set of Encoders for simple types. */
public class Encoders {
diff --git a/network/common/src/main/java/org/apache/spark/network/protocol/RpcFailure.java b/network/common/src/main/java/org/apache/spark/network/protocol/RpcFailure.java
index ebd764eb5e..6b991375fc 100644
--- a/network/common/src/main/java/org/apache/spark/network/protocol/RpcFailure.java
+++ b/network/common/src/main/java/org/apache/spark/network/protocol/RpcFailure.java
@@ -17,7 +17,6 @@
package org.apache.spark.network.protocol;
-import com.google.common.base.Charsets;
import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;
diff --git a/network/common/src/main/java/org/apache/spark/network/server/TransportServer.java b/network/common/src/main/java/org/apache/spark/network/server/TransportServer.java
index ef20999180..b7ce8541e5 100644
--- a/network/common/src/main/java/org/apache/spark/network/server/TransportServer.java
+++ b/network/common/src/main/java/org/apache/spark/network/server/TransportServer.java
@@ -28,7 +28,6 @@ import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.socket.SocketChannel;
-import io.netty.util.internal.PlatformDependent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
diff --git a/network/common/src/main/java/org/apache/spark/network/util/JavaUtils.java b/network/common/src/main/java/org/apache/spark/network/util/JavaUtils.java
index bf8a1fc42f..73da9b7346 100644
--- a/network/common/src/main/java/org/apache/spark/network/util/JavaUtils.java
+++ b/network/common/src/main/java/org/apache/spark/network/util/JavaUtils.java
@@ -17,19 +17,13 @@
package org.apache.spark.network.util;
-import java.nio.ByteBuffer;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
+import java.nio.ByteBuffer;
-import com.google.common.base.Preconditions;
-import com.google.common.io.Closeables;
import com.google.common.base.Charsets;
+import com.google.common.base.Preconditions;
import io.netty.buffer.Unpooled;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
diff --git a/network/common/src/main/java/org/apache/spark/network/util/NettyUtils.java b/network/common/src/main/java/org/apache/spark/network/util/NettyUtils.java
index 2a4b88b64c..dabd6261d2 100644
--- a/network/common/src/main/java/org/apache/spark/network/util/NettyUtils.java
+++ b/network/common/src/main/java/org/apache/spark/network/util/NettyUtils.java
@@ -25,7 +25,6 @@ import io.netty.buffer.PooledByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.ServerChannel;
-import io.netty.channel.epoll.Epoll;
import io.netty.channel.epoll.EpollEventLoopGroup;
import io.netty.channel.epoll.EpollServerSocketChannel;
import io.netty.channel.epoll.EpollSocketChannel;
diff --git a/network/shuffle/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java b/network/shuffle/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java
index 3777a18e33..026cbd260d 100644
--- a/network/shuffle/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java
+++ b/network/shuffle/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java
@@ -19,16 +19,13 @@ package org.apache.spark.network.sasl;
import java.util.concurrent.ConcurrentMap;
-import com.google.common.base.Charsets;
import com.google.common.collect.Maps;
-import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.spark.network.client.RpcResponseCallback;
import org.apache.spark.network.client.TransportClient;
-import org.apache.spark.network.protocol.Encodable;
import org.apache.spark.network.server.RpcHandler;
import org.apache.spark.network.server.StreamManager;
diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockFetcher.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockFetcher.java
index 8ed2e0b39a..e653f5cb14 100644
--- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockFetcher.java
+++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockFetcher.java
@@ -29,7 +29,6 @@ import org.apache.spark.network.client.TransportClient;
import org.apache.spark.network.shuffle.protocol.BlockTransferMessage;
import org.apache.spark.network.shuffle.protocol.OpenBlocks;
import org.apache.spark.network.shuffle.protocol.StreamHandle;
-import org.apache.spark.network.util.JavaUtils;
/**
* Simple wrapper on top of a TransportClient which interprets each chunk as a whole block, and
diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/OpenBlocks.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/OpenBlocks.java
index 62fce9b0d1..60485bace6 100644
--- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/OpenBlocks.java
+++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/OpenBlocks.java
@@ -23,7 +23,6 @@ import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;
import org.apache.spark.network.protocol.Encoders;
-import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
/** Request to read a set of blocks. Returns {@link StreamHandle}. */
public class OpenBlocks extends BlockTransferMessage {
diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/RegisterExecutor.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/RegisterExecutor.java
index 7eb4385044..38acae3b31 100644
--- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/RegisterExecutor.java
+++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/RegisterExecutor.java
@@ -21,7 +21,6 @@ import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;
import org.apache.spark.network.protocol.Encoders;
-import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
/**
* Initial registration message between an executor and its local shuffle server.
diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/StreamHandle.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/StreamHandle.java
index bc9daa6158..9a9220211a 100644
--- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/StreamHandle.java
+++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/StreamHandle.java
@@ -20,8 +20,6 @@ package org.apache.spark.network.shuffle.protocol;
import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;
-import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
-
/**
* Identifier for a fixed number of chunks to read from a stream created by an "open blocks"
* message. This is used by {@link org.apache.spark.network.shuffle.OneForOneBlockFetcher}.
diff --git a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/UploadBlock.java b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/UploadBlock.java
index 0b23e112bd..2ff9aaa650 100644
--- a/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/UploadBlock.java
+++ b/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/UploadBlock.java
@@ -23,7 +23,6 @@ import com.google.common.base.Objects;
import io.netty.buffer.ByteBuf;
import org.apache.spark.network.protocol.Encoders;
-import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;
/** Request to upload a block with a certain StorageLevel. Returns nothing (empty byte array). */
diff --git a/network/shuffle/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java b/network/shuffle/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java
index 67a07f38eb..23b4e06f06 100644
--- a/network/shuffle/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java
+++ b/network/shuffle/src/test/java/org/apache/spark/network/sasl/SparkSaslSuite.java
@@ -17,12 +17,12 @@
package org.apache.spark.network.sasl;
-import java.util.Map;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
-import com.google.common.collect.ImmutableMap;
import org.junit.Test;
-import static org.junit.Assert.*;
/**
* Jointly tests SparkSaslClient and SparkSaslServer, as both are black boxes.
diff --git a/network/shuffle/src/test/java/org/apache/spark/network/shuffle/OneForOneBlockFetcherSuite.java b/network/shuffle/src/test/java/org/apache/spark/network/shuffle/OneForOneBlockFetcherSuite.java
index 842741e3d3..b35a6d685d 100644
--- a/network/shuffle/src/test/java/org/apache/spark/network/shuffle/OneForOneBlockFetcherSuite.java
+++ b/network/shuffle/src/test/java/org/apache/spark/network/shuffle/OneForOneBlockFetcherSuite.java
@@ -28,11 +28,16 @@ import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
-import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyLong;
import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.*;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
import org.apache.spark.network.buffer.ManagedBuffer;
import org.apache.spark.network.buffer.NettyManagedBuffer;