HADOOP-18271.Remove unused Imports in Hadoop Common project (#4392)

Co-authored-by: Ashutosh Gupta <ashugpt@amazon.com>
This commit is contained in:
Ashutosh Gupta 2022-06-23 08:00:28 +01:00 committed by GitHub
parent 77d1b194c7
commit dd819f7904
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59 changed files with 7 additions and 101 deletions

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@ -18,7 +18,6 @@
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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@ -25,7 +25,6 @@ import java.security.interfaces.RSAPublicKey;
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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@ -13,7 +13,6 @@
*/
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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@ -18,7 +18,6 @@ import java.util.Properties;
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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@ -25,10 +25,6 @@ import java.security.SecureRandom;
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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@ -31,7 +31,6 @@ import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLHandshakeException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.key.KeyProvider;

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@ -26,7 +26,6 @@ import org.apache.hadoop.classification.InterfaceAudience;
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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@ -19,7 +19,6 @@ package org.apache.hadoop.io.erasurecode.codec;
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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@ -28,7 +28,6 @@ import org.apache.hadoop.util.concurrent.AsyncGet;
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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@ -41,7 +41,6 @@ import org.apache.hadoop.ipc.StandbyException;
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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@ -18,11 +18,9 @@
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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@ -22,7 +22,6 @@ import java.io.IOException;
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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@ -27,7 +27,6 @@ import org.slf4j.LoggerFactory;
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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@ -20,8 +20,6 @@ package org.apache.hadoop.security.token.delegation.web;
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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@ -20,7 +20,6 @@ package org.apache.hadoop.util;
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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@ -21,7 +21,6 @@ package org.apache.hadoop.util;
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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@ -23,7 +23,6 @@ import org.apache.hadoop.cli.CLITestHelper;
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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@ -21,21 +21,17 @@ package org.apache.hadoop.conf;
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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@ -30,7 +30,6 @@ import java.io.ByteArrayOutputStream;
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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@ -25,7 +25,6 @@ import java.io.InputStream;
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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@ -22,7 +22,7 @@ import java.util.Arrays;
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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@ -19,7 +19,7 @@
package org.apache.hadoop.fs.contract;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.FileSystem;
import org.junit.Test;
import java.io.IOException;

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@ -22,7 +22,6 @@ import org.apache.hadoop.conf.Configuration;
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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@ -19,7 +19,7 @@
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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@ -21,7 +21,6 @@ import org.apache.hadoop.conf.Configuration;
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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@ -24,7 +24,6 @@ import static org.junit.Assert.fail;
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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@ -25,15 +25,12 @@ import java.io.FileOutputStream;
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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@ -22,7 +22,6 @@ import java.net.URI;
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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@ -20,7 +20,6 @@ package org.apache.hadoop.fs.viewfs;
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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@ -17,8 +17,6 @@
*/
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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@ -78,7 +78,6 @@ import org.apache.hadoop.util.LineReader;
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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@ -18,9 +18,6 @@
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;
@ -32,7 +29,6 @@ import java.util.Random;
import static org.junit.Assert.*;
import static org.junit.Assume.*;
import static org.junit.Assume.assumeTrue;
public class TestBzip2CompressorDecompressor {

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@ -28,7 +28,6 @@ import java.util.Random;
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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@ -17,15 +17,12 @@
*/
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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@ -36,7 +36,6 @@ import org.apache.hadoop.security.KerberosInfo;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.DefaultImpersonationProvider;
import org.apache.hadoop.security.authorize.ProxyUsers;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenInfo;
import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSelector;

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@ -18,8 +18,6 @@
package org.apache.hadoop.net;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;

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@ -30,7 +30,7 @@ import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.junit.Before;
import org.junit.Test;
public class TestTableMapping {

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@ -19,8 +19,7 @@
package org.apache.hadoop.security;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.minikdc.MiniKdc;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
@ -31,20 +30,12 @@ import org.junit.rules.Timeout;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_TOKEN_FILES;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION;
import static org.apache.hadoop.security.KDiag.ARG_KEYLEN;
import static org.apache.hadoop.security.KDiag.ARG_KEYTAB;
import static org.apache.hadoop.security.KDiag.ARG_NOFAIL;
import static org.apache.hadoop.security.KDiag.ARG_NOLOGIN;
import static org.apache.hadoop.security.KDiag.ARG_PRINCIPAL;
import static org.apache.hadoop.security.KDiag.ARG_SECURE;
import static org.apache.hadoop.security.KDiag.CAT_CONFIG;
import static org.apache.hadoop.security.KDiag.CAT_KERBEROS;
import static org.apache.hadoop.security.KDiag.CAT_LOGIN;
import static org.apache.hadoop.security.KDiag.CAT_TOKEN;
import static org.apache.hadoop.security.KDiag.KerberosDiagsFailure;

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@ -19,23 +19,18 @@ package org.apache.hadoop.security;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.minikdc.MiniKdc;
import org.apache.hadoop.security.authentication.util.KerberosUtil;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.hadoop.test.LambdaTestUtils;
import org.apache.hadoop.util.PlatformName;
import org.junit.After;
import org.junit.Test;
import org.slf4j.event.Level;
import javax.security.auth.Subject;
import javax.security.auth.kerberos.KerberosPrincipal;
import javax.security.auth.login.AppConfigurationEntry;
import javax.security.auth.login.LoginContext;
import java.io.File;
import java.security.Principal;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

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@ -36,9 +36,6 @@ import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
public class TestCrossOriginFilter {
@Test

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@ -29,8 +29,6 @@ import org.apache.hadoop.service.launcher.testservices.RunningService;
import org.apache.hadoop.service.launcher.testservices.StoppingInStartLaunchableService;
import org.apache.hadoop.service.launcher.testservices.StringConstructorOnlyService;
import static org.apache.hadoop.service.launcher.LauncherArguments.*;
import static org.apache.hadoop.test.GenericTestUtils.*;
import static org.apache.hadoop.service.launcher.testservices.ExceptionInExecuteLaunchableService.*;

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@ -26,7 +26,6 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Map;
/**
* service that does not allow any arguments.

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@ -19,7 +19,6 @@ package org.apache.hadoop.test;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

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@ -24,7 +24,6 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.tools.CommandShell;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Before;
import org.junit.Test;

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@ -23,15 +23,12 @@ import org.apache.hadoop.util.DiskChecker.FileIoProvider;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.Timeout;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

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@ -20,7 +20,7 @@ package org.apache.hadoop.util;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
import org.apache.commons.io.FileUtils;
import org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider;
import org.junit.Assert;
import java.io.BufferedReader;

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@ -18,7 +18,6 @@
package org.apache.hadoop.nfs.nfs3.response;
import org.apache.hadoop.nfs.NfsTime;
import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.oncrpc.XDR;

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@ -17,7 +17,6 @@
*/
package org.apache.hadoop.nfs.nfs3.response;
import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.oncrpc.XDR;

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@ -17,8 +17,6 @@
*/
package org.apache.hadoop.nfs.nfs3.response;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.oncrpc.XDR;
import org.apache.hadoop.oncrpc.security.Verifier;

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@ -17,7 +17,6 @@
*/
package org.apache.hadoop.nfs.nfs3.response;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;

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@ -25,8 +25,6 @@ import java.util.List;
import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.nfs.nfs3.response.READDIR3Response.DirList3;
import org.apache.hadoop.nfs.nfs3.response.READDIR3Response.Entry3;
import org.apache.hadoop.oncrpc.XDR;
import org.apache.hadoop.oncrpc.security.Verifier;

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@ -17,8 +17,6 @@
*/
package org.apache.hadoop.nfs.nfs3.response;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.oncrpc.XDR;
import org.apache.hadoop.oncrpc.security.Verifier;

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@ -17,9 +17,7 @@
*/
package org.apache.hadoop.nfs.nfs3.response;
import org.apache.hadoop.nfs.nfs3.FileHandle;
import org.apache.hadoop.nfs.nfs3.Nfs3Constant;
import org.apache.hadoop.nfs.nfs3.Nfs3FileAttributes;
import org.apache.hadoop.nfs.nfs3.Nfs3Status;
import org.apache.hadoop.nfs.nfs3.Nfs3Constant.WriteStableHow;
import org.apache.hadoop.oncrpc.XDR;

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@ -18,11 +18,8 @@
package org.apache.hadoop.oncrpc;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.ReferenceCountUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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@ -17,7 +17,6 @@
*/
package org.apache.hadoop.oncrpc.security;
import org.apache.hadoop.nfs.nfs3.Nfs3Constant;
import org.apache.hadoop.oncrpc.RpcCall;
import org.apache.hadoop.security.IdMappingConstant;
import org.apache.hadoop.security.IdMappingServiceProvider;

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@ -24,7 +24,6 @@ import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.PathNotFoundException;
import org.apache.hadoop.registry.client.exceptions.InvalidPathnameException;
import org.apache.hadoop.registry.client.impl.zk.RegistryInternalConstants;
import org.apache.hadoop.registry.server.dns.BaseServiceRecordProcessor;
import org.apache.zookeeper.common.PathUtils;
import java.net.IDN;

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@ -43,7 +43,6 @@ import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
/**

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@ -28,7 +28,6 @@ import org.apache.hadoop.registry.client.binding.RegistryTypeUtils;
import org.apache.hadoop.registry.client.binding.RegistryUtils;
import org.apache.hadoop.registry.client.binding.RegistryPathUtils;
import org.apache.hadoop.registry.client.exceptions.InvalidPathnameException;
import org.apache.hadoop.registry.client.exceptions.NoRecordException;
import org.apache.hadoop.registry.client.types.RegistryPathStatus;
import org.apache.hadoop.registry.client.types.ServiceRecord;
import org.apache.zookeeper.CreateMode;

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@ -33,7 +33,6 @@ import org.apache.hadoop.util.ZKUtil;
import org.apache.zookeeper.Environment;
import org.apache.zookeeper.ZooDefs;
import org.apache.zookeeper.client.ZKClientConfig;
import org.apache.zookeeper.client.ZooKeeperSaslClient;
import org.apache.zookeeper.data.ACL;
import org.apache.zookeeper.data.Id;
import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;