diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java index df70451dd4..99d99a8a52 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java @@ -139,8 +139,6 @@ 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, diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestConfiguredFailoverProxyProvider.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestConfiguredFailoverProxyProvider.java index f28bfa65b5..c198536d01 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestConfiguredFailoverProxyProvider.java +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestConfiguredFailoverProxyProvider.java @@ -35,7 +35,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/client/HttpFSFileSystem.java b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/client/HttpFSFileSystem.java index e13f44e774..b427d8c35d 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/client/HttpFSFileSystem.java +++ b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/client/HttpFSFileSystem.java @@ -91,7 +91,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/client/TestHttpFSFileSystemLocalFileSystem.java b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/client/TestHttpFSFileSystemLocalFileSystem.java index 83bcb2efac..955529ef98 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/client/TestHttpFSFileSystemLocalFileSystem.java +++ b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/client/TestHttpFSFileSystemLocalFileSystem.java @@ -32,8 +32,6 @@ 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 { diff --git a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/server/TestHttpFSAccessControlled.java b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/server/TestHttpFSAccessControlled.java index 47d99352de..d3a4f59750 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/server/TestHttpFSAccessControlled.java +++ b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/fs/http/server/TestHttpFSAccessControlled.java @@ -21,7 +21,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/lib/server/TestServer.java b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/lib/server/TestServer.java index a6a139f23e..ff1d1ca0ad 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/lib/server/TestServer.java +++ b/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/lib/server/TestServer.java @@ -42,7 +42,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/Nfs3HttpServer.java b/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/Nfs3HttpServer.java index c37a21e7d8..ad410d4d38 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/Nfs3HttpServer.java +++ b/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/Nfs3HttpServer.java @@ -25,7 +25,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestNfs3Utils.java b/hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestNfs3Utils.java index 77646af2c5..8380c3c9bb 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestNfs3Utils.java +++ b/hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestNfs3Utils.java @@ -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; diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRpcStoragePolicySatisfier.java b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRpcStoragePolicySatisfier.java index fa1079a4ed..57518c8111 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRpcStoragePolicySatisfier.java +++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterRpcStoragePolicySatisfier.java @@ -31,7 +31,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotInfo.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotInfo.java index 676e8276f2..03a2ec7322 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotInfo.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotInfo.java @@ -20,7 +20,6 @@ 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 diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/IncorrectVersionException.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/IncorrectVersionException.java index 43b8c3c05d..7a14e38f55 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/IncorrectVersionException.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/IncorrectVersionException.java @@ -21,7 +21,6 @@ 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 diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/blockaliasmap/impl/TextFileRegionAliasMap.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/blockaliasmap/impl/TextFileRegionAliasMap.java index 41b5d33785..0ca7118b0d 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/blockaliasmap/impl/TextFileRegionAliasMap.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/blockaliasmap/impl/TextFileRegionAliasMap.java @@ -26,7 +26,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/AbstractFuture.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/AbstractFuture.java index 6ae4f01299..cdbba6ef14 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/AbstractFuture.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/AbstractFuture.java @@ -29,7 +29,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclEntryStatusFormat.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclEntryStatusFormat.java index a610aee484..a6e7d00f84 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclEntryStatusFormat.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclEntryStatusFormat.java @@ -26,8 +26,6 @@ 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.
* An ACL entry is represented by a 32-bit integer in Big Endian format.
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SerialNumberMap.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SerialNumberMap.java index ee6b8eb80c..d9a41428b5 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SerialNumberMap.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SerialNumberMap.java @@ -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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/RemoteNameNodeInfo.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/RemoteNameNodeInfo.java index 1ff251d808..3db43f0128 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/RemoteNameNodeInfo.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/RemoteNameNodeInfo.java @@ -24,7 +24,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/package-info.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/package-info.java index e6a8b97fb3..d7d7b3d754 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/package-info.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/package-info.java @@ -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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/snapshot/LsSnapshottableDir.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/snapshot/LsSnapshottableDir.java index 2f030b4734..640065bb5c 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/snapshot/LsSnapshottableDir.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/snapshot/LsSnapshottableDir.java @@ -20,7 +20,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestGenericRefresh.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestGenericRefresh.java index dcd91c7d84..70f9af9841 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestGenericRefresh.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestGenericRefresh.java @@ -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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestResolveHdfsSymlink.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestResolveHdfsSymlink.java index 05060af4a9..aefb4835b1 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestResolveHdfsSymlink.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestResolveHdfsSymlink.java @@ -37,7 +37,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSWebHdfsFileContextMainOperations.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSWebHdfsFileContextMainOperations.java index 84bd98bf67..061858c3d2 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSWebHdfsFileContextMainOperations.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSWebHdfsFileContextMainOperations.java @@ -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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSymlinkHdfsFileSystem.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSymlinkHdfsFileSystem.java index fba9c42858..cd0155389c 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSymlinkHdfsFileSystem.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSymlinkHdfsFileSystem.java @@ -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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend3.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend3.java index 6cb63a2430..6bf24dd237 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend3.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend3.java @@ -26,7 +26,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHDFSPolicyProvider.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHDFSPolicyProvider.java index bc763d42fd..b56bc2b26d 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHDFSPolicyProvider.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHDFSPolicyProvider.java @@ -19,9 +19,7 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestModTime.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestModTime.java index 3978444c6a..0b73157e71 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestModTime.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestModTime.java @@ -26,8 +26,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeDowngrade.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeDowngrade.java index 189b5f575a..ff17c2f617 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeDowngrade.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeDowngrade.java @@ -28,7 +28,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSeekBug.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSeekBug.java index 9dd2987f55..c7a7e7a8d1 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSeekBug.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSeekBug.java @@ -20,7 +20,6 @@ import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; -import java.io.DataOutputStream; import java.io.IOException; import java.util.Random; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSetTimes.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSetTimes.java index 74cde2a2a9..7039a6ba69 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSetTimes.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSetTimes.java @@ -42,7 +42,6 @@ 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. diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSnapshotCommands.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSnapshotCommands.java index 2b5a69d0d5..07523fd3fa 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSnapshotCommands.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSnapshotCommands.java @@ -25,7 +25,7 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeInitStorage.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeInitStorage.java index df8be22206..9d6958ea2a 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeInitStorage.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeInitStorage.java @@ -29,10 +29,6 @@ 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. diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestDatanodeRestart.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestDatanodeRestart.java index 0afee5fa57..ac9587e54f 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestDatanodeRestart.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestDatanodeRestart.java @@ -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.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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestBlockUnderConstruction.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestBlockUnderConstruction.java index 49e79da674..cab87e014a 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestBlockUnderConstruction.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestBlockUnderConstruction.java @@ -45,9 +45,6 @@ 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 diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCommitBlockWithInvalidGenStamp.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCommitBlockWithInvalidGenStamp.java index f7b1ea5bac..d57e00ef39 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCommitBlockWithInvalidGenStamp.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCommitBlockWithInvalidGenStamp.java @@ -20,14 +20,12 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextXAttr.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextXAttr.java index da09298b77..3ae6f4f7ba 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextXAttr.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextXAttr.java @@ -29,9 +29,7 @@ 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. diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileLimit.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileLimit.java index 636dc6059f..7420f440ee 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileLimit.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileLimit.java @@ -30,7 +30,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsckWithMultipleNameNodes.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsckWithMultipleNameNodes.java index e414296796..71719a5810 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsckWithMultipleNameNodes.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsckWithMultipleNameNodes.java @@ -28,7 +28,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecondaryWebUi.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecondaryWebUi.java index 9473cb3ed9..1d3187dffe 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecondaryWebUi.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecondaryWebUi.java @@ -21,7 +21,6 @@ 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 javax.management.*; import java.io.IOException; import java.lang.management.ManagementFactory; -import java.net.URL; public class TestSecondaryWebUi { diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNode.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNode.java index c90a91c67d..e67e5cf720 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNode.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNode.java @@ -19,7 +19,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNodeWithExternalKdc.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNodeWithExternalKdc.java index d36b9c997e..60601a6ab9 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNodeWithExternalKdc.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNodeWithExternalKdc.java @@ -19,7 +19,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestXAttrWithSnapshot.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestXAttrWithSnapshot.java index badff68212..03931d6c66 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestXAttrWithSnapshot.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestXAttrWithSnapshot.java @@ -34,7 +34,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/TestStartupProgressMetrics.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/TestStartupProgressMetrics.java index 4fe3d15c4a..ef2004f6eb 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/TestStartupProgressMetrics.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/TestStartupProgressMetrics.java @@ -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.*; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java index 3d124ab7a4..f9bcb33154 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java @@ -21,7 +21,6 @@ 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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewerForAcl.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewerForAcl.java index b41ec9690c..ec19158722 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewerForAcl.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewerForAcl.java @@ -21,7 +21,6 @@ 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.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.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; diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java index 2fe6102dee..acd2965507 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java @@ -29,7 +29,6 @@ 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.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;