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YARN-11135. Remove unused Imports in hadoop project #4284

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1 change: 0 additions & 1 deletion ...op-auth/src/main/java/org/apache/hadoop/security/authentication/util/CertificateUtil.java
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package org.apache.hadoop.security.authentication.util;

import java.io.ByteArrayInputStream;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.security.PublicKey;
import java.security.cert.CertificateException;
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1 change: 0 additions & 1 deletion ...rg/apache/hadoop/security/authentication/server/TestJWTRedirectAuthenticationHandler.java
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import java.util.List;
import java.util.ArrayList;
import java.util.Properties;
import java.util.Vector;
import java.util.Date;

import javax.servlet.ServletException;
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1 change: 0 additions & 1 deletion ...ava/org/apache/hadoop/security/authentication/server/TestPseudoAuthenticationHandler.java
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*/
package org.apache.hadoop.security.authentication.server;

import org.apache.hadoop.security.authentication.client.AuthenticationException;
import org.apache.hadoop.security.authentication.client.PseudoAuthenticator;
import org.junit.Assert;
import org.junit.Test;
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1 change: 0 additions & 1 deletion .../test/java/org/apache/hadoop/security/authentication/util/StringSignerSecretProvider.java
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import javax.servlet.ServletContext;

import org.apache.hadoop.classification.VisibleForTesting;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.security.authentication.server.AuthenticationFilter;

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4 changes: 0 additions & 4 deletions .../hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProviderCryptoExtension.java
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import java.util.List;
import java.util.ListIterator;

import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

import org.apache.hadoop.util.Preconditions;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.crypto.CryptoCodec;
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1 change: 0 additions & 1 deletion hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/SequenceFile.java
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import org.apache.hadoop.classification.VisibleForTesting;
import org.apache.hadoop.util.Options;
import org.apache.hadoop.fs.*;
import org.apache.hadoop.fs.StreamCapabilities;
import org.apache.hadoop.fs.Options.CreateOpts;
import org.apache.hadoop.io.compress.CodecPool;
import org.apache.hadoop.io.compress.CompressionCodec;
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1 change: 0 additions & 1 deletion ...ommon-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/DefaultCodec.java
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import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.compress.zlib.ZlibDecompressor;
import org.apache.hadoop.io.compress.zlib.ZlibFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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1 change: 0 additions & 1 deletion ...ject/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/codec/ErasureCodec.java
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import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.erasurecode.CodecUtil;
import org.apache.hadoop.io.erasurecode.ECSchema;
import org.apache.hadoop.io.erasurecode.ErasureCodecOptions;
import org.apache.hadoop.io.erasurecode.ErasureCoderOptions;
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1 change: 0 additions & 1 deletion ...mmon-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/AsyncCallHandler.java
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import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.InterruptedIOException;
import java.lang.reflect.Method;
import java.util.Iterator;
import java.util.Queue;
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1 change: 0 additions & 1 deletion ...-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryPolicies.java
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import org.apache.hadoop.net.ConnectTimeoutException;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.token.SecretManager.InvalidToken;
import org.ietf.jgss.GSSException;

import org.apache.hadoop.classification.VisibleForTesting;
import org.slf4j.Logger;
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2 changes: 0 additions & 2 deletions ...ject/hadoop-common/src/main/java/org/apache/hadoop/security/IdMappingServiceProvider.java
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package org.apache.hadoop.security;

import java.io.IOException;
import java.util.List;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;

/**
* An interface for the implementation of {@literal <}userId,
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1 change: 0 additions & 1 deletion hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/KDiag.java
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import static org.apache.hadoop.security.authentication.util.KerberosUtil.*;
import static org.apache.hadoop.util.StringUtils.popOption;
import static org.apache.hadoop.util.StringUtils.popOptionWithArgument;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_TOKEN_FILES;

/**
* Kerberos diagnostics
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1 change: 0 additions & 1 deletion ...roject/hadoop-common/src/main/java/org/apache/hadoop/security/http/CrossOriginFilter.java
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import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.servlet.Filter;
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1 change: 0 additions & 1 deletion ...hadoop-common/src/main/java/org/apache/hadoop/security/ssl/ReloadingX509TrustManager.java
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import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
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2 changes: 0 additions & 2 deletions ...c/main/java/org/apache/hadoop/security/token/delegation/web/HttpUserGroupInformation.java
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import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.security.UserGroupInformation;

import javax.servlet.http.HttpServletRequest;

/**
* Util class that returns the remote {@link UserGroupInformation} in scope
* for the HTTP request.
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1 change: 0 additions & 1 deletion hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/FindClass.java
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import org.apache.hadoop.classification.VisibleForTesting;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import java.io.IOException;
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1 change: 0 additions & 1 deletion ...op-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
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import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.lang.management.ManagementFactory;
import java.lang.management.ThreadInfo;
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1 change: 0 additions & 1 deletion ...ommon-project/hadoop-common/src/test/java/org/apache/hadoop/cli/util/CommandExecutor.java
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import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.PrintStream;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.ArrayList;
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4 changes: 0 additions & 4 deletions ...ect/hadoop-common/src/test/java/org/apache/hadoop/conf/TestCommonConfigurationFields.java
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import java.util.HashSet;

import org.apache.hadoop.crypto.key.kms.KMSClientProvider;
import org.apache.hadoop.fs.AbstractFileSystem;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.ftp.FtpConfigKeys;
import org.apache.hadoop.fs.local.LocalConfigKeys;
import org.apache.hadoop.ha.SshFenceByTcpPort;
import org.apache.hadoop.ha.ZKFailoverController;
import org.apache.hadoop.http.HttpServer2;
import org.apache.hadoop.io.erasurecode.CodecUtil;
import org.apache.hadoop.io.nativeio.NativeIO;
import org.apache.hadoop.security.CompositeGroupsMapping;
import org.apache.hadoop.security.HttpCrossOriginFilterInitializer;
import org.apache.hadoop.security.LdapGroupsMapping;
import org.apache.hadoop.security.RuleBasedLdapGroupsMapping;
import org.apache.hadoop.security.http.CrossOriginFilter;
import org.apache.hadoop.security.ssl.SSLFactory;

/**
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1 change: 0 additions & 1 deletion ...ject/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfigurationDeprecation.java
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import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
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1 change: 0 additions & 1 deletion ...ommon-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestReconfiguration.java
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import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
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1 change: 0 additions & 1 deletion ...ect/hadoop-common/src/test/java/org/apache/hadoop/crypto/TestCryptoStreamsForLocalFS.java
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import java.io.OutputStream;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.LocalFileSystem;
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2 changes: 1 addition & 1 deletion ...oject/hadoop-common/src/test/java/org/apache/hadoop/crypto/random/TestOsSecureRandom.java
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import org.apache.commons.lang3.SystemUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.util.Shell.ShellCommandExecutor;

import org.junit.Assume;
import org.junit.Test;

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3 changes: 0 additions & 3 deletions hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestDFVariations.java
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*/
package org.apache.hadoop.fs;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
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6 changes: 3 additions & 3 deletions ...hadoop-common/src/test/java/org/apache/hadoop/fs/contract/AbstractContractDeleteTest.java
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package org.apache.hadoop.fs.contract;

import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.FileSystem;
import java.io.IOException;

import org.junit.Test;

import java.io.IOException;
import org.apache.hadoop.fs.Path;

/**
* Test creating files, overwrite options &c
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1 change: 0 additions & 1 deletion ...on-project/hadoop-common/src/test/java/org/apache/hadoop/fs/contract/ftp/FTPContract.java
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import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.contract.AbstractBondedFSContract;
import org.junit.Assert;

import java.net.URI;

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2 changes: 1 addition & 1 deletion ...va/org/apache/hadoop/fs/contract/rawlocal/TestRawLocalContractUnderlyingFileBehavior.java
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package org.apache.hadoop.fs.contract.rawlocal;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.ContractTestUtils;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
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1 change: 0 additions & 1 deletion .../src/test/java/org/apache/hadoop/fs/contract/rawlocal/TestRawlocalContractPathHandle.java
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import org.apache.hadoop.fs.Options;
import org.apache.hadoop.fs.contract.AbstractContractPathHandleTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
import org.apache.hadoop.fs.contract.localfs.LocalFSContract;
import org.apache.hadoop.fs.contract.rawlocal.RawlocalFSContract;

public class TestRawlocalContractPathHandle
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1 change: 0 additions & 1 deletion hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestCopy.java
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package org.apache.hadoop.fs.shell;

import static org.apache.hadoop.test.GenericTestUtils.assertExceptionContains;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;

import java.io.IOException;
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1 change: 0 additions & 1 deletion hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestLs.java
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import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_SHELL_MISSING_DEFAULT_FS_WARNING_KEY;
import static org.junit.Assert.*;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.*;

import java.io.ByteArrayOutputStream;
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1 change: 0 additions & 1 deletion hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestMove.java
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package org.apache.hadoop.fs.shell;

import static org.junit.Assert.*;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.*;

import java.io.IOException;
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1 change: 0 additions & 1 deletion ...p-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestPathData.java
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import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.Arrays;

import org.apache.hadoop.conf.Configuration;
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3 changes: 0 additions & 3 deletions ...ommon-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestTextCommand.java
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import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.lang.reflect.Method;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;

import org.apache.commons.io.IOUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.Test;

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1 change: 0 additions & 1 deletion ...test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemWithAuthorityLocalFileSystem.java
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import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileSystemTestHelper;
import org.apache.hadoop.fs.FsConstants;
import org.apache.hadoop.fs.Path;
import static org.apache.hadoop.fs.FileSystem.TRASH_PREFIX;
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1 change: 0 additions & 1 deletion ...ject/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/ViewFileSystemTestSetup.java
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import java.net.URI;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileSystemTestHelper;
import org.apache.hadoop.fs.FsConstants;
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2 changes: 0 additions & 2 deletions ...n-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestHttpServerLifecycle.java
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*/
package org.apache.hadoop.http;

import org.apache.hadoop.test.GenericTestUtils;
import org.apache.log4j.Logger;
import org.junit.Test;

public class TestHttpServerLifecycle extends HttpServerFunctionalTest {
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5 changes: 0 additions & 5 deletions ...t/hadoop-common/src/test/java/org/apache/hadoop/io/compress/CompressDecompressTester.java
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*/
package org.apache.hadoop.io.compress;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
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1 change: 0 additions & 1 deletion ...p-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/compress/TestCodec.java
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import org.apache.hadoop.util.NativeCodeLoader;
import org.apache.hadoop.util.ReflectionUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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4 changes: 0 additions & 4 deletions ...on/src/test/java/org/apache/hadoop/io/compress/bzip2/TestBzip2CompressorDecompressor.java
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package org.apache.hadoop.io.compress.bzip2;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.DataInputBuffer;
import org.apache.hadoop.io.DataOutputBuffer;
import org.apache.hadoop.io.compress.*;
import org.apache.hadoop.io.compress.bzip2.Bzip2Compressor;
import org.apache.hadoop.io.compress.bzip2.Bzip2Decompressor;
import org.apache.hadoop.test.MultithreadedTestUtil;
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import static org.junit.Assert.*;
import static org.junit.Assume.*;
import static org.junit.Assume.assumeTrue;

public class TestBzip2CompressorDecompressor {

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1 change: 0 additions & 1 deletion ...common/src/test/java/org/apache/hadoop/io/compress/lz4/TestLz4CompressorDecompressor.java
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import org.apache.hadoop.io.compress.lz4.Lz4Decompressor;
import org.apache.hadoop.test.MultithreadedTestUtil;
import org.junit.Test;
import static org.junit.Assume.*;

public class TestLz4CompressorDecompressor {

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1 change: 0 additions & 1 deletion ...mmon/src/test/java/org/apache/hadoop/io/compress/zlib/TestZlibCompressorDecompressor.java
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import java.util.zip.DeflaterOutputStream;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.io.DataInputBuffer;
import org.apache.hadoop.io.compress.CompressDecompressTester;
import org.apache.hadoop.io.compress.Compressor;
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3 changes: 0 additions & 3 deletions ...-project/hadoop-common/src/test/java/org/apache/hadoop/io/file/tfile/TestCompression.java
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*/
package org.apache.hadoop.io.file.tfile;

import org.apache.hadoop.io.compress.CompressionCodec;
import org.apache.hadoop.test.LambdaTestUtils;
import org.junit.*;

import java.io.IOException;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

public class TestCompression {

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