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HDFS-16576. Remove unused imports in HDFS project (#4389) 

Co-authored-by: Ashutosh Gupta <ashugpt@amazon.com>
Reviewed-by: Tao Li <tomscut@apache.org>
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit 6e11c94170)

 Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/AbstractFuture.java
This commit is contained in:
Ashutosh Gupta 2022-06-09 14:39:00 +01:00 committed by Akira Ajisaka
parent a2f8a9e5d8
commit bdef321d52
44 changed files with 1 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
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@ -139,8 +139,6 @@ import org.apache.hadoop.thirdparty.com.google.common.base.Charsets;
import org.apache.hadoop.thirdparty.com.google.common.base.Preconditions;
import org.apache.hadoop.thirdparty.com.google.common.collect.Lists;
import static org.apache.hadoop.fs.impl.PathCapabilitiesSupport.validatePathCapabilityArgs;
/** A FileSystem for HDFS over the web. */
public class WebHdfsFileSystem extends FileSystem
implements DelegationTokenRenewer.Renewable,

1
hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestConfiguredFailoverProxyProvider.java
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@ -35,7 +35,6 @@ import org.mockito.stubbing.Answer;
import org.slf4j.event.Level;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.URISyntaxException;

1
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/client/HttpFSFileSystem.java
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@ -91,7 +91,6 @@ import java.net.URL;
import java.security.PrivilegedExceptionAction;
import java.text.MessageFormat;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import static org.apache.hadoop.fs.impl.PathCapabilitiesSupport.validatePathCapabilityArgs;

2
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/client/TestHttpFSFileSystemLocalFileSystem.java
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@ -32,8 +32,6 @@ import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;
@RunWith(value = Parameterized.class)
public class TestHttpFSFileSystemLocalFileSystem extends BaseTestHttpFSWith {

1
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/server/TestHttpFSAccessControlled.java
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@ -21,7 +21,6 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.test.HTestCase;
import org.apache.hadoop.test.HadoopUsersConfTestHelper;

1
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/lib/server/TestServer.java
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@ -42,7 +42,6 @@ import org.apache.hadoop.test.HTestCase;
import org.apache.hadoop.test.TestDir;
import org.apache.hadoop.test.TestDirHelper;
import org.apache.hadoop.test.TestException;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.util.StringUtils;
import org.junit.Test;

1
hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/Nfs3HttpServer.java
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@ -25,7 +25,6 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.nfs.conf.NfsConfigKeys;
import org.apache.hadoop.hdfs.nfs.conf.NfsConfiguration;
import org.apache.hadoop.hdfs.server.common.JspHelper;
import org.apache.hadoop.http.HttpConfig;
import org.apache.hadoop.http.HttpServer2;
import org.apache.hadoop.net.NetUtils;

2
hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestNfs3Utils.java
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@ -18,8 +18,6 @@
package org.apache.hadoop.hdfs.nfs.nfs3;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.junit.Test;

1
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRpcStoragePolicySatisfier.java
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@ -31,7 +31,6 @@ import org.apache.hadoop.hdfs.server.balancer.NameNodeConnector;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants;
import org.apache.hadoop.hdfs.server.federation.MiniRouterDFSCluster;
import org.apache.hadoop.hdfs.server.federation.RouterConfigBuilder;
import org.apache.hadoop.hdfs.server.federation.metrics.NamenodeBeanMetrics;
import org.apache.hadoop.hdfs.server.namenode.sps.Context;
import org.apache.hadoop.hdfs.server.namenode.sps.StoragePolicySatisfier;
import org.apache.hadoop.hdfs.server.sps.ExternalSPSContext;

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotInfo.java
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@ -20,7 +20,6 @@ package org.apache.hadoop.hdfs.protocol;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.FsPermissionProto;
import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
/**
* SnapshotInfo maintains information for a snapshot

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/IncorrectVersionException.java
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@ -21,7 +21,6 @@ import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
/**
* The exception is thrown when external version does not match

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/blockaliasmap/impl/TextFileRegionAliasMap.java
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@ -26,7 +26,6 @@ import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Iterator;

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/AbstractFuture.java
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@ -29,7 +29,6 @@ import org.apache.hadoop.thirdparty.com.google.common.util.concurrent.ListeningE
import org.apache.hadoop.thirdparty.com.google.common.util.concurrent.ListenableFuture;
import org.apache.hadoop.thirdparty.com.google.common.util.concurrent.SettableFuture;
import org.apache.hadoop.thirdparty.com.google.common.util.concurrent.Uninterruptibles;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import static java.util.concurrent.atomic.AtomicReferenceFieldUpdater
.newUpdater;

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclEntryStatusFormat.java
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@ -26,8 +26,6 @@ import org.apache.hadoop.fs.permission.AclEntryType;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.hdfs.util.LongBitFormat;
import org.apache.hadoop.thirdparty.com.google.common.collect.ImmutableList;
/**
* Class to pack an AclEntry into an integer. <br>
* An ACL entry is represented by a 32-bit integer in Big Endian format. <br>

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SerialNumberMap.java
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@ -18,7 +18,6 @@
package org.apache.hadoop.hdfs.server.namenode;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/RemoteNameNodeInfo.java
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@ -24,7 +24,6 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.hadoop.thirdparty.com.google.common.base.Objects;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.HAUtil;

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/package-info.java
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@ -40,4 +40,3 @@
package org.apache.hadoop.hdfs.server.namenode.startupprogress;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.server.namenode.NameNode;

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/snapshot/LsSnapshottableDir.java
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@ -20,7 +20,6 @@ package org.apache.hadoop.hdfs.tools.snapshot;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.hdfs.DistributedFileSystem;

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestGenericRefresh.java
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@ -19,9 +19,7 @@
package org.apache.hadoop;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestResolveHdfsSymlink.java
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@ -37,7 +37,6 @@ import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifie
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier;
import org.apache.hadoop.test.PathUtils;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.AfterClass;
import org.junit.Assert;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSWebHdfsFileContextMainOperations.java
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@ -17,7 +17,6 @@
*/
package org.apache.hadoop.fs;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSymlinkHdfsFileSystem.java
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@ -17,7 +17,6 @@
*/
package org.apache.hadoop.fs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend3.java
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@ -26,7 +26,6 @@ import java.util.EnumSet;
import java.util.List;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.hdfs.server.datanode.FsDatasetTestUtils.MaterializedReplica;
import org.apache.hadoop.test.GenericTestUtils;
import org.mockito.invocation.InvocationOnMock;
import static org.mockito.Mockito.spy;

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHDFSPolicyProvider.java
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@ -19,9 +19,7 @@ package org.apache.hadoop.hdfs;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestModTime.java
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@ -26,8 +26,6 @@ import java.net.InetSocketAddress;
import java.util.Random;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeDowngrade.java
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@ -28,7 +28,6 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants.RollingUpgradeAction;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
import org.apache.hadoop.hdfs.qjournal.MiniQJMHACluster;
import org.apache.hadoop.hdfs.server.common.IncorrectVersionException;
import org.apache.hadoop.hdfs.server.namenode.NNStorage;
import org.apache.hadoop.hdfs.server.namenode.NameNodeLayoutVersion;
import org.junit.Assert;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSeekBug.java
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@ -20,7 +20,6 @@ package org.apache.hadoop.hdfs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Random;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSetTimes.java
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@ -42,7 +42,6 @@ import org.apache.hadoop.test.MockitoUtil;
import org.apache.hadoop.util.Time;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
/**
* This class tests the access time on files.

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSnapshotCommands.java
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@ -25,7 +25,7 @@ import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
import org.apache.hadoop.hdfs.tools.snapshot.SnapshotDiff;
import org.apache.hadoop.util.ChunkedArrayList;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeInitStorage.java
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@ -29,10 +29,6 @@ import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi;
import org.junit.Test;
import static org.hamcrest.core.IsNot.not;
import static org.junit.Assert.*;
/**
* Test to verify that the DataNode Uuid is correctly initialized before
* FsDataSet initialization.

5
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestDatanodeRestart.java
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@ -18,12 +18,8 @@
package org.apache.hadoop.hdfs.server.datanode.fsdataset.impl;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.Collection;
import java.util.Iterator;
import java.util.Random;
import org.apache.hadoop.conf.Configuration;
@ -40,7 +36,6 @@ import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.ReplicaState;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.hdfs.server.datanode.DataNodeFaultInjector;
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
import org.apache.hadoop.hdfs.server.datanode.DatanodeUtil;
import org.apache.hadoop.hdfs.server.datanode.ReplicaInfo;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi;

3
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestBlockUnderConstruction.java
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@ -45,9 +45,6 @@ import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
public class TestBlockUnderConstruction {
static final String BASE_DIR = "/test/TestBlockUnderConstruction";
static final int BLOCK_SIZE = 8192; // same as TestFileCreation.blocksize

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCommitBlockWithInvalidGenStamp.java
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@ -20,14 +20,12 @@ package org.apache.hadoop.hdfs.server.namenode;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.io.IOUtils;
import org.junit.After;
import org.junit.Assert;

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextXAttr.java
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@ -29,9 +29,7 @@ import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.XAttrSetFlag;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.junit.BeforeClass;
/**
* Tests of XAttr operations using FileContext APIs.

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileLimit.java
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@ -30,7 +30,6 @@ import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
import org.apache.hadoop.hdfs.server.datanode.SimulatedFSDataset;
import org.apache.hadoop.ipc.RemoteException;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.Test;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsckWithMultipleNameNodes.java
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@ -28,7 +28,6 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.viewfs.ConfigUtil;
import org.apache.hadoop.fs.viewfs.ViewFileSystem;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.HdfsConfiguration;

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecondaryWebUi.java
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@ -21,7 +21,6 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_CHECKPOINT_TXNS_
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.junit.AfterClass;
import org.junit.Assert;
@ -31,7 +30,6 @@ import org.junit.Test;
import javax.management.*;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.net.URL;
public class TestSecondaryWebUi {

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNode.java
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@ -19,7 +19,6 @@ package org.apache.hadoop.hdfs.server.namenode;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.lang.management.ManagementFactory;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNodeWithExternalKdc.java
View File

@ -19,7 +19,6 @@ package org.apache.hadoop.hdfs.server.namenode;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestXAttrWithSnapshot.java
View File

@ -34,7 +34,6 @@ import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.SnapshotAccessControlException;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
import org.apache.hadoop.hdfs.server.namenode.NameNode;

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/TestStartupProgressMetrics.java
View File

@ -17,9 +17,7 @@
*/
package org.apache.hadoop.hdfs.server.namenode.startupprogress;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase.*;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.StartupProgressTestHelper.*;
import static org.apache.hadoop.hdfs.server.namenode.startupprogress.StepType.*;
import static org.apache.hadoop.test.MetricsAsserts.*;
import static org.junit.Assert.*;

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java
View File

@ -21,7 +21,6 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_SIZE_KEY;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_CONTEXT;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_DOMAIN_SOCKET_DATA_TRAFFIC;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DOMAIN_SOCKET_PATH_KEY;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_SOCKET_TIMEOUT_KEY;
import static org.hamcrest.CoreMatchers.equalTo;
import java.io.DataOutputStream;

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewerForAcl.java
View File

@ -21,7 +21,6 @@ import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
@ -29,11 +28,9 @@ import java.io.RandomAccessFile;
import java.io.StringReader;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.HashMap;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
@ -55,7 +52,6 @@ import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import static org.apache.hadoop.fs.permission.AclEntryScope.ACCESS;

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java
View File

@ -29,7 +29,6 @@ import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.PrintStream;
import java.lang.management.ManagementFactory;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.TimeoutException;
@ -37,9 +36,6 @@ import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSTestUtil;