Project: Apache Hadoop (App Definition and Development / Database)
File: CHANGELOG.2.6.3.md

<! --> | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | AccessControlList should avoid calling getGroupNames in isUserInList with empty groups. | Major | security | zhihai xu | zhihai xu | | | Recommission a datanode with 500k blocks may pause NN for 30 seconds | Major | namenode | Tsz Wo Nicholas Sze | Tsz Wo Nicholas Sze | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | Duplicate surefire plugin config in hadoop-common | Major | test | Andrey Klochkov | Andrey Klochkov | | | TestSecurityUtil fails when run with JDK8 because of empty principal names | Minor | security, test | Stephen Chu | Stephen Chu | | | [JDK8] Fix Javadoc errors caused by incorrect or illegal tags in doc comments | Minor | . | Andrew Purtell | Andrew Purtell | | | HistoryFileManager should check whether summaryFile exists to avoid FileNotFoundException causing HistoryFileInfo into MOVE\_FAILED state | Minor | jobhistoryserver | zhihai xu | zhihai xu | | | JHS sorting on state column not working in webUi | Minor | jobhistoryserver | Bibin A Chundatt | zhihai xu | | | Correct HTTP method in WebHDFS document | Major | documentation | Akira Ajisaka | Brahma Reddy Battula | | | org.apache.hadoop.mapred.LineRecordReader does not handle multibyte record delimiters well | Critical | . | Kris Geusebroek | Akira Ajisaka | | | AsyncDispatcher can hang while stopping if it is configured for draining events on stop | Critical | . | Varun Saxena | Varun Saxena | | | ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks. | Critical | nodemanager | zhihai xu | zhihai xu | | | LineRecordReader may give incomplete record and wrong position/key information for uncompressed input sometimes. | Critical | mrv2 | zhihai xu | zhihai xu | | | hadoop-project declares duplicate, conflicting curator dependencies | Minor | build | Steve Loughran | Rakesh R | | | ACLs on root directory may be lost after NN restart | Critical | namenode | Xiao Chen | Xiao Chen | | | Replication violates block placement policy. | Blocker | namenode | Rushabh S Shah | Rushabh S Shah | | | TestSubmitApplicationWithRMHA fails on branch-2.7 and branch-2.6 as some of the test cases time out | Major |

| Varun Saxena | Varun Saxena | | | TestJobHistoryEventHandler fails as AHS in MiniYarnCluster no longer binds to default port 8188 | Major | . | Varun Saxena | Varun Saxena | | | Memory leak for HistoryFileManager.getJobSummary() | Critical | jobhistoryserver | Junping Du | Junping Du | | | Fix TestDistributedShell timeout as AHS in MiniYarnCluster no longer binds to default port 8188 | Major | . | MENG DING | MENG DING | | | Make DataStreamer#block thread safe and verify genStamp in commitBlock | Critical | . | Chang Li | Chang Li | | | [Branch-2] there are duplicate dependency definitions in pom's | Major | build | Sangjin Lee | Sangjin Lee | | | Fix typo of property name in yarn-default.xml | Major | documentation | Anthony Rojas | Anthony Rojas | | | TestMRTimelineEventHandling fails | Major | test | Sangjin Lee | Sangjin Lee | | | DistributedFileSystem#concat fails if the target path is relative. | Major | hdfs-client | Kazuho Fujii | Kazuho Fujii | | | ApplicationHistoryServer binds to default port 8188 in MiniYARNCluster | Critical | timelineserver | Hitesh Shah | Vinod Kumar Vavilapalli | | | Bump up commons-collections version to 3.2.2 to address a security flaw | Blocker | build, security | Wei-Chiu Chuang | Wei-Chiu Chuang | | | NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations | Critical | resourcemanager | Varun Vasudev | Varun Vasudev | | | "Total megabyte-seconds" in job counters is slightly misleading | Minor | . | Nathan Roberts | Nathan Roberts | | | FileSystemNodeLabelStore should check for root dir existence on startup | Major | resourcemanager | Jason Lowe | Kuhu Shukla | | | multibyte delimiters with LineRecordReader cause duplicate records | Major | mrv1, mrv2 | Dustin Cote | Wilfred Spiegelenburg | | | Encryption zone on root not loaded from fsimage after NN restart | Critical | . | Xiao Chen | Xiao Chen | | | ZKRMStateStore.syncInternal shouldn't wait for sync completion for avoiding blocking ZK's event thread | Blocker | . | Tsuyoshi Ozawa | Tsuyoshi Ozawa | | | Fix deadlock in RMAppImpl | Blocker | . | Yesha Vora | Jian He | | | NodeManager Disk Checker parameter documentation is not correct | Minor | documentation, nodemanager | Takashi Ohnishi | Weiwei Yang | | JIRA | Summary | Priority | Component | Reporter | Contributor | |:- |:- | : |:- |:- |:- | | | TestZKFailoverControllerStress#testExpireBackAndForth occasionally fails | Major | test | Ted Yu | Ming Ma |