| HADOOP-11273  | 
      
TestMiniKdc failure: login options not compatible with IBM JDK  | 
      
Major  | 
      
test  | 
      
Gao Zhong Liang  | 
      
Gao Zhong Liang  | 
    
    
      
| HADOOP-10612  | 
      
NFS failed to refresh the user group id mapping table  | 
      
Major  | 
      
nfs  | 
      
Brandon Li  | 
      
Brandon Li  | 
    
    
      
| HADOOP-10562  | 
      
Namenode exits on exception without printing stack trace in AbstractDelegationTokenSecretManager  | 
      
Critical  | 
      
.  | 
      
Suresh Srinivas  | 
      
Suresh Srinivas  | 
    
    
      
| HADOOP-10527  | 
      
Fix incorrect return code and allow more retries on EINTR  | 
      
Major  | 
      
.  | 
      
Kihwal Lee  | 
      
Kihwal Lee  | 
    
    
      
| HADOOP-10522  | 
      
JniBasedUnixGroupMapping mishandles errors  | 
      
Critical  | 
      
.  | 
      
Kihwal Lee  | 
      
Kihwal Lee  | 
    
    
      
| HADOOP-10490  | 
      
TestMapFile and TestBloomMapFile leak file descriptors.  | 
      
Minor  | 
      
test  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HADOOP-10473  | 
      
TestCallQueueManager is still flaky  | 
      
Minor  | 
      
test  | 
      
Tsz Wo Nicholas Sze  | 
      
Tsz Wo Nicholas Sze  | 
    
    
      
| HADOOP-10456  | 
      
Bug in Configuration.java exposed by Spark (ConcurrentModificationException)  | 
      
Major  | 
      
conf  | 
      
Nishkam Ravi  | 
      
Nishkam Ravi  | 
    
    
      
| HADOOP-10455  | 
      
When there is an exception, ipc.Server should first check whether it is an terse exception  | 
      
Major  | 
      
ipc  | 
      
Tsz Wo Nicholas Sze  | 
      
Tsz Wo Nicholas Sze  | 
    
    
      
| HADOOP-8826  | 
      
Docs still refer to 0.20.205 as stable line  | 
      
Minor  | 
      
.  | 
      
Robert Joseph Evans  | 
      
Mit Desai  | 
    
    
      
| HDFS-6411  | 
      
nfs-hdfs-gateway mount raises I/O error and hangs when a unauthorized user attempts to access it  | 
      
Major  | 
      
nfs  | 
      
Zhongyi Xie  | 
      
Brandon Li  | 
    
    
      
| HDFS-6402  | 
      
Suppress findbugs warning for failure to override equals and hashCode in FsAclPermission.  | 
      
Trivial  | 
      
namenode  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6397  | 
      
NN shows inconsistent value in deadnode count  | 
      
Critical  | 
      
.  | 
      
Mohammad Kamrul Islam  | 
      
Mohammad Kamrul Islam  | 
    
    
      
| HDFS-6362  | 
      
InvalidateBlocks is inconsistent in usage of DatanodeUuid and StorageID  | 
      
Blocker  | 
      
namenode  | 
      
Arpit Agarwal  | 
      
Arpit Agarwal  | 
    
    
      
| HDFS-6361  | 
      
TestIdUserGroup.testUserUpdateSetting failed due to out of range nfsnobody Id  | 
      
Major  | 
      
nfs  | 
      
Yongjun Zhang  | 
      
Yongjun Zhang  | 
    
    
      
| HDFS-6340  | 
      
DN can’t finalize upgrade  | 
      
Blocker  | 
      
datanode  | 
      
Rahul Singhal  | 
      
Rahul Singhal  | 
    
    
      
| HDFS-6329  | 
      
WebHdfs does not work if HA is enabled on NN but logical URI is not configured.  | 
      
Blocker  | 
      
.  | 
      
Kihwal Lee  | 
      
Kihwal Lee  | 
    
    
      
| HDFS-6326  | 
      
WebHdfs ACL compatibility is broken  | 
      
Blocker  | 
      
webhdfs  | 
      
Daryn Sharp  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6325  | 
      
Append should fail if the last block has insufficient number of replicas  | 
      
Major  | 
      
namenode  | 
      
Konstantin Shvachko  | 
      
Keith Pak  | 
    
    
      
| HDFS-6313  | 
      
WebHdfs may use the wrong NN when configured for multiple HA NNs  | 
      
Blocker  | 
      
webhdfs  | 
      
Daryn Sharp  | 
      
Kihwal Lee  | 
    
    
      
| HDFS-6245  | 
      
datanode fails to start with a bad disk even when failed volumes is set  | 
      
Major  | 
      
.  | 
      
Arpit Gupta  | 
      
Arpit Agarwal  | 
    
    
      
| HDFS-6236  | 
      
ImageServlet should use Time#monotonicNow to measure latency.  | 
      
Minor  | 
      
namenode  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6235  | 
      
TestFileJournalManager can fail on Windows due to file locking if tests run out of order.  | 
      
Trivial  | 
      
namenode, test  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6234  | 
      
TestDatanodeConfig#testMemlockLimit fails on Windows due to invalid file path.  | 
      
Trivial  | 
      
datanode, test  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6232  | 
      
OfflineEditsViewer throws a NPE on edits containing ACL modifications  | 
      
Major  | 
      
tools  | 
      
Stephen Chu  | 
      
Akira AJISAKA  | 
    
    
      
| HDFS-6231  | 
      
DFSClient hangs infinitely if using hedged reads and all eligible datanodes die.  | 
      
Major  | 
      
hdfs-client  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6229  | 
      
Race condition in failover can cause RetryCache fail to work  | 
      
Major  | 
      
ha  | 
      
Jing Zhao  | 
      
Jing Zhao  | 
    
    
      
| HDFS-6215  | 
      
Wrong error message for upgrade  | 
      
Minor  | 
      
.  | 
      
Kihwal Lee  | 
      
Kihwal Lee  | 
    
    
      
| HDFS-6209  | 
      
Fix flaky test TestValidateConfigurationSettings.testThatDifferentRPCandHttpPortsAreOK  | 
      
Minor  | 
      
test  | 
      
Arpit Agarwal  | 
      
Arpit Agarwal  | 
    
    
      
| HDFS-6208  | 
      
DataNode caching can leak file descriptors.  | 
      
Major  | 
      
datanode  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6206  | 
      
DFSUtil.substituteForWildcardAddress may throw NPE  | 
      
Major  | 
      
.  | 
      
Tsz Wo Nicholas Sze  | 
      
Tsz Wo Nicholas Sze  | 
    
    
      
| HDFS-6204  | 
      
TestRBWBlockInvalidation may fail  | 
      
Minor  | 
      
test  | 
      
Tsz Wo Nicholas Sze  | 
      
Tsz Wo Nicholas Sze  | 
    
    
      
| HDFS-6198  | 
      
DataNode rolling upgrade does not correctly identify current block pool directory and replace with trash on Windows.  | 
      
Major  | 
      
datanode  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-6197  | 
      
Rolling upgrade rollback on Windows can fail attempting to rename edit log segment files to a destination that already exists.  | 
      
Minor  | 
      
namenode  | 
      
Chris Nauroth  | 
      
Chris Nauroth  | 
    
    
      
| HDFS-2882  | 
      
DN continues to start up, even if block pool fails to initialize  | 
      
Major  | 
      
datanode  | 
      
Todd Lipcon  | 
      
Vinayakumar B  | 
    
    
      
| MAPREDUCE-5841  | 
      
uber job doesn’t terminate on getting mapred job kill  | 
      
Major  | 
      
mrv2  | 
      
Sangjin Lee  | 
      
Sangjin Lee  | 
    
    
      
| MAPREDUCE-5835  | 
      
Killing Task might cause the job to go to ERROR state  | 
      
Critical  | 
      
.  | 
      
Ming Ma  | 
      
Ming Ma  | 
    
    
      
| MAPREDUCE-5832  | 
      
Few tests in TestJobClient fail on Windows  | 
      
Major  | 
      
.  | 
      
Jian He  | 
      
Vinod Kumar Vavilapalli  | 
    
    
      
| MAPREDUCE-5830  | 
      
HostUtil.getTaskLogUrl is not backwards binary compatible with 2.3  | 
      
Blocker  | 
      
.  | 
      
Jason Lowe  | 
      
Akira AJISAKA  | 
    
    
      
| MAPREDUCE-5828  | 
      
TestMapReduceJobControl fails on JDK 7 + Windows  | 
      
Major  | 
      
.  | 
      
Vinod Kumar Vavilapalli  | 
      
Vinod Kumar Vavilapalli  | 
    
    
      
| MAPREDUCE-5827  | 
      
TestSpeculativeExecutionWithMRApp fails  | 
      
Major  | 
      
.  | 
      
Zhijie Shen  | 
      
Zhijie Shen  | 
    
    
      
| MAPREDUCE-5826  | 
      
TestHistoryServerFileSystemStateStoreService.testTokenStore fails in windows  | 
      
Major  | 
      
.  | 
      
Varun Vasudev  | 
      
Varun Vasudev  | 
    
    
      
| MAPREDUCE-5824  | 
      
TestPipesNonJavaInputFormat.testFormat fails in windows  | 
      
Major  | 
      
.  | 
      
Xuan Gong  | 
      
Xuan Gong  | 
    
    
      
| MAPREDUCE-5821  | 
      
IFile merge allocates new byte array for every value  | 
      
Major  | 
      
performance, task  | 
      
Todd Lipcon  | 
      
Todd Lipcon  | 
    
    
      
| MAPREDUCE-5818  | 
      
hsadmin cmd is missing in mapred.cmd  | 
      
Major  | 
      
.  | 
      
Jian He  | 
      
Jian He  | 
    
    
      
| MAPREDUCE-5815  | 
      
Fix NPE in TestMRAppMaster  | 
      
Blocker  | 
      
client, mrv2  | 
      
Gera Shegalov  | 
      
Akira AJISAKA  | 
    
    
      
| MAPREDUCE-5714  | 
      
TestMRAppComponentDependencies causes surefire to exit without saying proper goodbye  | 
      
Major  | 
      
test  | 
      
Jinghui Wang  | 
      
Jinghui Wang  | 
    
    
      
| MAPREDUCE-3191  | 
      
docs for map output compression incorrectly reference SequenceFile  | 
      
Trivial  | 
      
.  | 
      
Todd Lipcon  | 
      
Chen He  | 
    
    
      
| YARN-2081  | 
      
TestDistributedShell fails after YARN-1962  | 
      
Minor  | 
      
applications/distributed-shell  | 
      
Hong Zhiguo  | 
      
Hong Zhiguo  | 
    
    
      
| YARN-2066  | 
      
Wrong field is referenced in GetApplicationsRequestPBImpl#mergeLocalToBuilder()  | 
      
Minor  | 
      
.  | 
      
Ted Yu  | 
      
Hong Zhiguo  | 
    
    
      
| YARN-2016  | 
      
Yarn getApplicationRequest start time range is not honored  | 
      
Major  | 
      
resourcemanager  | 
      
Venkat Ranganathan  | 
      
Junping Du  | 
    
    
      
| YARN-1986  | 
      
In Fifo Scheduler, node heartbeat in between creating app and attempt causes NPE  | 
      
Critical  | 
      
.  | 
      
Jon Bringhurst  | 
      
Hong Zhiguo  | 
    
    
      
| YARN-1976  | 
      
Tracking url missing http protocol for FAILED application  | 
      
Major  | 
      
.  | 
      
Yesha Vora  | 
      
Junping Du  | 
    
    
      
| YARN-1975  | 
      
Used resources shows escaped html in CapacityScheduler and FairScheduler page  | 
      
Major  | 
      
resourcemanager  | 
      
Nathan Roberts  | 
      
Mit Desai  | 
    
    
      
| YARN-1934  | 
      
Potential NPE in ZKRMStateStore caused by handling Disconnected event from ZK.  | 
      
Blocker  | 
      
resourcemanager  | 
      
Rohith Sharma K S  | 
      
Karthik Kambatla  | 
    
    
      
| YARN-1933  | 
      
TestAMRestart and TestNodeHealthService failing sometimes on Windows  | 
      
Major  | 
      
.  | 
      
Jian He  | 
      
Jian He  | 
    
    
      
| YARN-1932  | 
      
Javascript injection on the job status page  | 
      
Blocker  | 
      
.  | 
      
Mit Desai  | 
      
Mit Desai  | 
    
    
      
| YARN-1931  | 
      
Private API change in YARN-1824 in 2.4 broke compatibility with previous releases  | 
      
Blocker  | 
      
applications  | 
      
Thomas Graves  | 
      
Sandy Ryza  | 
    
    
      
| YARN-1929  | 
      
DeadLock in RM when automatic failover is enabled.  | 
      
Blocker  | 
      
resourcemanager  | 
      
Rohith Sharma K S  | 
      
Karthik Kambatla  | 
    
    
      
| YARN-1928  | 
      
TestAMRMRPCNodeUpdates fails ocassionally  | 
      
Major  | 
      
.  | 
      
Zhijie Shen  | 
      
Zhijie Shen  | 
    
    
      
| YARN-1926  | 
      
DistributedShell unit tests fail on Windows  | 
      
Major  | 
      
.  | 
      
Varun Vasudev  | 
      
Varun Vasudev  | 
    
    
      
| YARN-1924  | 
      
STATE_STORE_OP_FAILED happens when ZKRMStateStore tries to update app(attempt) before storing it  | 
      
Critical  | 
      
.  | 
      
Arpit Gupta  | 
      
Jian He  | 
    
    
      
| YARN-1920  | 
      
TestFileSystemApplicationHistoryStore.testMissingApplicationAttemptHistoryData fails in windows  | 
      
Major  | 
      
.  | 
      
Vinod Kumar Vavilapalli  | 
      
Vinod Kumar Vavilapalli  | 
    
    
      
| YARN-1914  | 
      
Test TestFSDownload.testDownloadPublicWithStatCache fails on Windows  | 
      
Major  | 
      
.  | 
      
Varun Vasudev  | 
      
Varun Vasudev  | 
    
    
      
| YARN-1910  | 
      
TestAMRMTokens fails on windows  | 
      
Major  | 
      
.  | 
      
Xuan Gong  | 
      
Xuan Gong  | 
    
    
      
| YARN-1908  | 
      
Distributed shell with custom script has permission error.  | 
      
Major  | 
      
applications/distributed-shell  | 
      
Tassapol Athiapinya  | 
      
Vinod Kumar Vavilapalli  | 
    
    
      
| YARN-1907  | 
      
TestRMApplicationHistoryWriter#testRMWritingMassiveHistory runs slow and intermittently fails  | 
      
Major  | 
      
.  | 
      
Mit Desai  | 
      
Mit Desai  | 
    
    
      
| YARN-1903  | 
      
Killing Container on NEW and LOCALIZING will result in exitCode and diagnostics not set  | 
      
Major  | 
      
.  | 
      
Zhijie Shen  | 
      
Zhijie Shen  | 
    
    
      
| YARN-1883  | 
      
TestRMAdminService fails due to inconsistent entries in UserGroups  | 
      
Major  | 
      
.  | 
      
Mit Desai  | 
      
Mit Desai  | 
    
    
      
| YARN-1837  | 
      
TestMoveApplication.testMoveRejectedByScheduler randomly fails  | 
      
Major  | 
      
.  | 
      
Tsuyoshi Ozawa  | 
      
Hong Zhiguo  | 
    
    
      
| YARN-1201  | 
      
TestAMAuthorization fails with local hostname cannot be resolved  | 
      
Minor  | 
      
resourcemanager  | 
      
Nemon Lou  | 
      
Wangda Tan  |