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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7073) Allow falling back to a non-SASL connection on DataTransferProtocol in several edge cases.
Date Fri, 19 Sep 2014 18:49:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141078#comment-14141078
] 

Hadoop QA commented on HDFS-7073:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12670029/HDFS-7073.3.patch
  against trunk revision 25fd69a.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 1 new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.crypto.random.TestOsSecureRandom
                  org.apache.hadoop.ha.TestZKFailoverControllerStress
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestUpdatePipelineWithSnapshots
                  org.apache.hadoop.fs.TestUrlStreamHandler
                  org.apache.hadoop.hdfs.server.namenode.TestFileLimit
                  org.apache.hadoop.hdfs.TestParallelShortCircuitRead
                  org.apache.hadoop.hdfs.server.namenode.TestEditLogAutoroll
                  org.apache.hadoop.TestRefreshCallQueue
                  org.apache.hadoop.hdfs.server.namenode.ha.TestStandbyCheckpoints
                  org.apache.hadoop.cli.TestCryptoAdminCLI
                  org.apache.hadoop.hdfs.TestSetrepDecreasing
                  org.apache.hadoop.hdfs.server.datanode.TestDiskError
                  org.apache.hadoop.fs.viewfs.TestViewFsWithAcls
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeHotSwapVolumes
                  org.apache.hadoop.hdfs.server.namenode.TestFSEditLogLoader
                  org.apache.hadoop.hdfs.server.namenode.TestHostsFiles
                  org.apache.hadoop.hdfs.server.datanode.TestTransferRbw
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractDelete
                  org.apache.hadoop.hdfs.server.namenode.TestFileContextAcl
                  org.apache.hadoop.fs.TestFcHdfsSetUMask
                  org.apache.hadoop.hdfs.server.namenode.TestDeleteRace
                  org.apache.hadoop.hdfs.server.namenode.TestFSDirectory
                  org.apache.hadoop.hdfs.server.namenode.TestLeaseManager
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractOpen
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotListing
                  org.apache.hadoop.hdfs.server.datanode.TestStorageReport
                  org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery
                  org.apache.hadoop.hdfs.TestReadWhileWriting
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractMkdir
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractAppend
                  org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache
                  org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestRbwSpaceReservation
                  org.apache.hadoop.hdfs.server.blockmanagement.TestPendingInvalidateBlock
                  org.apache.hadoop.hdfs.server.namenode.ha.TestQuotasWithHA
                  org.apache.hadoop.hdfs.server.namenode.ha.TestGetGroupsWithHA
                  org.apache.hadoop.hdfs.server.namenode.TestSecondaryWebUi
                  org.apache.hadoop.hdfs.server.namenode.TestAuditLogger
                  org.apache.hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFS
                  org.apache.hadoop.hdfs.TestWriteBlockGetsBlockLengthHint
                  org.apache.hadoop.hdfs.server.namenode.TestHDFSConcat
                  org.apache.hadoop.hdfs.server.datanode.TestCachingStrategy
                  org.apache.hadoop.hdfs.server.namenode.TestAddBlockRetry
                  org.apache.hadoop.fs.TestSymlinkHdfsFileSystem
                  org.apache.hadoop.fs.viewfs.TestViewFsDefaultValue
                  org.apache.hadoop.fs.TestSymlinkHdfsFileContext
                  org.apache.hadoop.hdfs.TestClientProtocolForPipelineRecovery
                  org.apache.hadoop.hdfs.TestFSInputChecker
                  org.apache.hadoop.hdfs.server.namenode.ha.TestBootstrapStandby
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeInitStorage
                  org.apache.hadoop.hdfs.server.mover.TestStorageMover
                  org.apache.hadoop.hdfs.server.datanode.TestBlockReplacement
                  org.apache.hadoop.hdfs.server.blockmanagement.TestHeartbeatHandling
                  org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestInterDatanodeProtocol
                  org.apache.hadoop.cli.TestAclCLI
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHAMetrics
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotBlocksMap
                  org.apache.hadoop.hdfs.server.blockmanagement.TestNodeCount
                  org.apache.hadoop.hdfs.tools.TestDFSHAAdminMiniCluster
                  org.apache.hadoop.hdfs.server.datanode.TestReadOnlySharedStorage
                  org.apache.hadoop.hdfs.TestEncryptedTransfer
                  org.apache.hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks
                  org.apache.hadoop.hdfs.server.namenode.TestNNStorageRetentionFunctional
                  org.apache.hadoop.hdfs.server.datanode.TestHSync
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeRpcServer
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSeek
                  org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract
                  org.apache.hadoop.hdfs.server.namenode.TestFileContextXAttr
                  org.apache.hadoop.hdfs.TestAbandonBlock
                  org.apache.hadoop.hdfs.server.namenode.TestAclConfigFlag
                  org.apache.hadoop.hdfs.server.namenode.TestSequentialBlockId
                  org.apache.hadoop.hdfs.TestFileCreationClient
                  org.apache.hadoop.hdfs.server.namenode.TestFSImageWithXAttr
                  org.apache.hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestXAttrWithSnapshot
                  org.apache.hadoop.hdfs.server.namenode.TestFSImageWithAcl
                  org.apache.hadoop.hdfs.server.namenode.ha.TestStandbyBlockManagement
                  org.apache.hadoop.hdfs.tools.TestDFSAdminWithHA
                  org.apache.hadoop.hdfs.TestDFSShellGenericOptions
                  org.apache.hadoop.tracing.TestTracing
                  org.apache.hadoop.hdfs.server.namenode.TestListCorruptFileBlocks
                  org.apache.hadoop.hdfs.server.namenode.ha.TestFailureOfSharedDir
                  org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeMultipleRegistrations
                  org.apache.hadoop.hdfs.server.namenode.TestParallelImageWrite
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestAclWithSnapshot
                  org.apache.hadoop.hdfs.TestFileConcurrentReader
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeResourceChecker
                  org.apache.hadoop.hdfs.server.namenode.TestGenericJournalConf
                  org.apache.hadoop.fs.viewfs.TestViewFsWithXAttrs
                  org.apache.hadoop.hdfs.TestClose
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeExit
                  org.apache.hadoop.hdfs.server.namenode.TestEditLogJournalFailures
                  org.apache.hadoop.hdfs.TestPersistBlocks
                  org.apache.hadoop.hdfs.TestDatanodeReport
                  org.apache.hadoop.tools.TestJMXGet
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeMXBean
                  org.apache.hadoop.hdfs.server.datanode.TestBlockHasMultipleReplicasOnSameDN
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotDiffReport
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractCreate
                  org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestDatanodeRestart
                  org.apache.hadoop.hdfs.server.namenode.TestCreateEditsLog
                  org.apache.hadoop.hdfs.server.namenode.TestFSNamesystemMBean
                  org.apache.hadoop.hdfs.TestWriteRead
                  org.apache.hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes
                  org.apache.hadoop.hdfs.TestBalancerBandwidth
                  org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCacheRevocation
                  org.apache.hadoop.fs.TestEnhancedByteBufferAccess
                  org.apache.hadoop.fs.TestFcHdfsPermission
                  org.apache.hadoop.hdfs.server.namenode.TestEditLogRace
                  org.apache.hadoop.security.TestRefreshUserMappings
                  org.apache.hadoop.hdfs.server.namenode.TestAllowFormat
                  org.apache.hadoop.fs.viewfs.TestViewFsHdfs
                  org.apache.hadoop.hdfs.TestDFSRename
                  org.apache.hadoop.hdfs.TestIsMethodSupported
                  org.apache.hadoop.fs.TestResolveHdfsSymlink
                  org.apache.hadoop.hdfs.server.namenode.metrics.TestNNMetricFilesInGetListingOps
                  org.apache.hadoop.hdfs.server.namenode.web.resources.TestWebHdfsDataLocality
                  org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestWriteToReplica
                  org.apache.hadoop.tracing.TestTracingShortCircuitLocalRead
                  org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatus
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestCheckpointsWithSnapshots
                  org.apache.hadoop.hdfs.server.blockmanagement.TestRBWBlockInvalidation
                  org.apache.hadoop.hdfs.TestParallelShortCircuitReadNoChecksum
                  org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureToleration
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotMetrics
                  org.apache.hadoop.hdfs.TestDecommission
                  org.apache.hadoop.hdfs.server.namenode.TestINodeFile
                  org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover
                  org.apache.hadoop.hdfs.server.balancer.TestBalancerWithEncryptedTransfer
                  org.apache.hadoop.hdfs.server.namenode.TestNamenodeRetryCache
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDelegationTokensWithHA
                  org.apache.hadoop.hdfs.server.balancer.TestBalancer
                  org.apache.hadoop.fs.TestFcHdfsCreateMkdir
                  org.apache.hadoop.hdfs.TestAppendDifferentChecksum
                  org.apache.hadoop.hdfs.server.blockmanagement.TestReplicationPolicy
                  org.apache.hadoop.hdfs.server.namenode.ha.TestNNHealthCheck
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotReplication
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotNameWithInvalidCharacters
                  org.apache.hadoop.hdfs.server.namenode.ha.TestBootstrapStandbyWithQJM
                  org.apache.hadoop.hdfs.server.namenode.TestBlockUnderConstruction
                  org.apache.hadoop.hdfs.server.mover.TestMover
                  org.apache.hadoop.hdfs.server.namenode.TestDeadDatanode
                  org.apache.hadoop.hdfs.server.blockmanagement.TestComputeInvalidateWork
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics
                  org.apache.hadoop.hdfs.TestDFSFinalize
                  org.apache.hadoop.hdfs.server.namenode.TestCacheDirectives
                  org.apache.hadoop.hdfs.TestFileAppend2
                  org.apache.hadoop.hdfs.server.namenode.ha.TestInitializeSharedEdits
                  org.apache.hadoop.hdfs.server.datanode.TestIncrementalBlockReports
                  org.apache.hadoop.hdfs.server.namenode.ha.TestFailoverWithBlockTokensEnabled
                  org.apache.hadoop.hdfs.server.namenode.TestStorageRestore
                  org.apache.hadoop.hdfs.server.namenode.TestEditLog
                  org.apache.hadoop.fs.viewfs.TestViewFileSystemWithXAttrs
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHAFsck
                  org.apache.hadoop.fs.viewfs.TestViewFileSystemWithAcls
                  org.apache.hadoop.hdfs.server.namenode.TestXAttrConfigFlag
                  org.apache.hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewer
                  org.apache.hadoop.hdfs.TestFsShellPermission
                  org.apache.hadoop.hdfs.TestFileAppend3
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestINodeFileUnderConstructionWithSnapshot
                  org.apache.hadoop.hdfs.TestQuota
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestDisallowModifyROSnapshot
                  org.apache.hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeRespectsBindHostKeys
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeMXBean
                  org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer
                  org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeMetrics
                  org.apache.hadoop.hdfs.server.namenode.TestSnapshotPathINodes
                  org.apache.hadoop.hdfs.server.namenode.ha.TestStateTransitionFailure
                  org.apache.hadoop.hdfs.server.namenode.ha.TestStandbyIsHot
                  org.apache.hadoop.security.TestPermission
                  org.apache.hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractConcat
                  org.apache.hadoop.hdfs.server.namenode.TestLargeDirectoryDelete
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDFSZKFailoverController
                  org.apache.hadoop.hdfs.server.blockmanagement.TestOverReplicatedBlocks
                  org.apache.hadoop.hdfs.server.namenode.TestFsck
                  org.apache.hadoop.hdfs.server.namenode.TestAuditLogs
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestNestedSnapshots
                  org.apache.hadoop.hdfs.server.namenode.TestSecondaryNameNodeUpgrade
                  org.apache.hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks
                  org.apache.hadoop.security.TestPermissionSymlinks
                  org.apache.hadoop.net.TestNetworkTopology
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot
                  org.apache.hadoop.hdfs.TestParallelUnixDomainRead
                  org.apache.hadoop.cli.TestXAttrCLI
                  org.apache.hadoop.hdfs.server.namenode.TestNameEditsConfigs
                  org.apache.hadoop.hdfs.TestEncryptionZonesWithHA
                  org.apache.hadoop.hdfs.server.datanode.TestRefreshNamenodes
                  org.apache.hadoop.hdfs.TestFileCreationEmpty
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA
                  org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRename
                  org.apache.hadoop.hdfs.server.namenode.TestSecurityTokenEditLog
                  org.apache.hadoop.hdfs.server.datanode.TestDirectoryScanner
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength
                  org.apache.hadoop.hdfs.server.datanode.TestNNHandlesBlockReportPerStorage
                  org.apache.hadoop.fs.permission.TestStickyBit
                  org.apache.hadoop.hdfs.server.namenode.ha.TestPendingCorruptDnMessages
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotDeletion
                  org.apache.hadoop.hdfs.TestFileCreation
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode
                  org.apache.hadoop.hdfs.TestMissingBlocksAlert
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshot
                  org.apache.hadoop.fs.viewfs.TestViewFileSystemAtHdfsRoot
                  org.apache.hadoop.hdfs.server.namenode.TestTransferFsImage
                  org.apache.hadoop.hdfs.server.namenode.TestStartup
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeRecovery
                  org.apache.hadoop.hdfs.TestRead
                  org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogsDuringFailover
                  org.apache.hadoop.hdfs.server.namenode.TestDiskspaceQuotaUpdate
                  org.apache.hadoop.hdfs.server.datanode.TestDeleteBlockPool
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting
                  org.apache.hadoop.hdfs.server.datanode.TestNNHandlesCombinedBlockReport
                  org.apache.hadoop.hdfs.server.namenode.ha.TestXAttrsWithHA
                  org.apache.hadoop.hdfs.TestBlockReaderFactory
                  org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot
                  org.apache.hadoop.hdfs.TestPipelines
                  org.apache.hadoop.fs.loadGenerator.TestLoadGenerator
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotRename
                  org.apache.hadoop.cli.TestCacheAdminCLI
                  org.apache.hadoop.hdfs.server.namenode.TestProcessCorruptBlocks
                  org.apache.hadoop.hdfs.TestFileCorruption
                  org.apache.hadoop.hdfs.server.namenode.TestMetadataVersionOutput
                  org.apache.hadoop.hdfs.server.namenode.TestNamenodeCapacityReport
                  org.apache.hadoop.hdfs.server.namenode.ha.TestLossyRetryInvocationHandler
                  org.apache.hadoop.fs.TestHDFSFileContextMainOperations
                  org.apache.hadoop.hdfs.server.namenode.TestSaveNamespace
                  org.apache.hadoop.hdfs.server.datanode.TestMultipleNNDataBlockScanner
                  org.apache.hadoop.fs.TestGlobPaths
                  org.apache.hadoop.fs.viewfs.TestViewFsFileStatusHdfs
                  org.apache.hadoop.hdfs.server.namenode.TestMetaSave
                  org.apache.hadoop.hdfs.server.namenode.TestCheckPointForSecurityTokens
                  org.apache.hadoop.hdfs.server.blockmanagement.TestPendingReplication
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHarFileSystemWithHA
                  org.apache.hadoop.fs.viewfs.TestViewFsAtHdfsRoot
                  org.apache.hadoop.TestGenericRefresh
                  org.apache.hadoop.hdfs.server.datanode.TestIncrementalBrVariations
                  org.apache.hadoop.hdfs.server.balancer.TestBalancerWithSaslDataTransfer
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHAAppend
                  org.apache.hadoop.hdfs.tools.TestGetGroups
                  org.apache.hadoop.hdfs.server.namenode.TestBackupNode
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeAcl
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure
                  org.apache.hadoop.fs.shell.TestHdfsTextCommand
                  org.apache.hadoop.hdfs.TestLargeBlock
                  org.apache.hadoop.cli.TestHDFSCLI
                  org.apache.hadoop.hdfs.TestReplaceDatanodeOnFailure
                  org.apache.hadoop.hdfs.server.namenode.TestFavoredNodesEndToEnd
                  org.apache.hadoop.fs.TestSymlinkHdfsDisable
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHAStateTransitions
                  org.apache.hadoop.hdfs.server.namenode.TestFSImage
                  org.apache.hadoop.fs.viewfs.TestViewFileSystemHdfs
                  org.apache.hadoop.hdfs.server.namenode.TestAddBlock
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencingWithReplication
                  org.apache.hadoop.hdfs.server.namenode.ha.TestFailureToReadEdits
                  org.apache.hadoop.hdfs.TestDFSInotifyEventInputStream
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshottableDirListing
                  org.apache.hadoop.hdfs.TestLease
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSetQuotaWithSnapshot
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeXAttr
                  org.apache.hadoop.hdfs.server.datanode.TestDnRespectsBlockReportSplitThreshold
                  org.apache.hadoop.hdfs.server.namenode.TestCheckpoint
                  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotStatsMXBean
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing
                  org.apache.hadoop.hdfs.server.datanode.TestDataNodeRollingUpgrade
                  org.apache.hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewerForAcl

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8108//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/8108//artifact/PreCommit-HADOOP-Build-patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8108//console

This message is automatically generated.

> Allow falling back to a non-SASL connection on DataTransferProtocol in several edge cases.
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7073
>                 URL: https://issues.apache.org/jira/browse/HDFS-7073
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode, hdfs-client, security
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: HDFS-7073.1.patch, HDFS-7073.2.patch, HDFS-7073.3.patch
>
>
> HDFS-2856 implemented general SASL support on DataTransferProtocol.  Part of that work
also included a fallback mode in case the remote cluster is running under a different configuration
without SASL.  I've discovered a few edge case configurations that this did not support:
> * Cluster is unsecured, but has block access tokens enabled.  This is not something I've
seen done in practice, but I've heard historically it has been allowed.  The HDFS-2856 code
relied on seeing an empty block access token to trigger fallback, and this doesn't work if
the unsecured cluster actually is using block access tokens.
> * The DataNode has an unpublicized testing configuration property that could be used
to skip the privileged port check.  However, the HDFS-2856 code is still enforcing requirement
of SASL when the ports are not privileged, so this would force existing configurations to
make changes to activate SASL.
> This patch will restore the old behavior so that these edge case configurations will
continue to work the same way.



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