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Hadoop QA commented on HDFS-9249: --------------------------------- \\ \\ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:red}-1{color} | pre-patch | 20m 16s | Pre-patch trunk has 1 extant Findbugs (version 3.0.0) warnings. | | {color:green}+1{color} | @author | 0m 0s | The patch does not contain any @author tags. | | {color:green}+1{color} | tests included | 0m 0s | The patch appears to include 1 new or modified test files. | | {color:green}+1{color} | javac | 8m 52s | There were no new javac warning messages. | | {color:green}+1{color} | javadoc | 11m 33s | There were no new javadoc warning messages. | | {color:green}+1{color} | release audit | 0m 26s | The applied patch does not increase the total number of release audit warnings. | | {color:green}+1{color} | checkstyle | 1m 37s | There were no new checkstyle issues. | | {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that end in whitespace. | | {color:green}+1{color} | install | 1m 46s | mvn install still works. | | {color:green}+1{color} | eclipse:eclipse | 0m 37s | The patch built with eclipse:eclipse. | | {color:green}+1{color} | findbugs | 2m 46s | The patch does not introduce any new Findbugs (version 3.0.0) warnings. | | {color:green}+1{color} | native | 3m 35s | Pre-build of native portion | | {color:red}-1{color} | hdfs tests | 53m 4s | Tests failed in hadoop-hdfs. | | | | 104m 37s | | \\ \\ || Reason || Tests || | Failed unit tests | hadoop.hdfs.server.blockmanagement.TestNodeCount | | | hadoop.hdfs.server.namenode.TestBackupNode | \\ \\ || Subsystem || Report/Notes || | Patch URL | http://issues.apache.org/jira/secure/attachment/12767098/HDFS-9249.002.patch | | Optional Tests | javadoc javac unit findbugs checkstyle | | git revision | trunk / 52ac73f | | Pre-patch Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/13034/artifact/patchprocess/trunkFindbugsWarningshadoop-hdfs.html | | hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/13034/artifact/patchprocess/testrun_hadoop-hdfs.txt | | Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/13034/testReport/ | | Java | 1.7.0_55 | | uname | Linux asf901.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/13034/console | This message was automatically generated. > NPE thrown if an IOException is thrown in NameNode.<init> > --------------------------------------------------------- > > Key: HDFS-9249 > URL: https://issues.apache.org/jira/browse/HDFS-9249 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 2.7.1 > Reporter: Wei-Chiu Chuang > Assignee: Wei-Chiu Chuang > Priority: Minor > Labels: supportability > Attachments: HDFS-9249.001.patch, HDFS-9249.002.patch > > > This issue was found when running test case > TestBackupNode.testCheckpointNode, but upon closer look, the problem is not > due to the test case. > Looks like an IOException was thrown in > try { > initializeGenericKeys(conf, nsId, namenodeId); > initialize(conf); > try { > haContext.writeLock(); > state.prepareToEnterState(haContext); > state.enterState(haContext); > } finally { > haContext.writeUnlock(); > } > causing the namenode to stop, but the namesystem was not yet properly > instantiated, causing NPE. > I tried to reproduce locally, but to no avail. > Because I could not reproduce the bug, and the log does not indicate what > caused the IOException, I suggest make this a supportability JIRA to log the > exception for future improvement. > Stacktrace > java.lang.NullPointerException: null > at > org.apache.hadoop.hdfs.server.namenode.NameNode.getFSImage(NameNode.java:906) > at org.apache.hadoop.hdfs.server.namenode.BackupNode.stop(BackupNode.java:210) > at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:827) > at > org.apache.hadoop.hdfs.server.namenode.BackupNode.<init>(BackupNode.java:89) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1474) > at > org.apache.hadoop.hdfs.server.namenode.TestBackupNode.startBackupNode(TestBackupNode.java:102) > at > org.apache.hadoop.hdfs.server.namenode.TestBackupNode.testCheckpoint(TestBackupNode.java:298) > at > org.apache.hadoop.hdfs.server.namenode.TestBackupNode.testCheckpointNode(TestBackupNode.java:130) > The last few lines of log: > 2015-10-14 19:45:07,807 INFO namenode.NameNode > (NameNode.java:createNameNode(1422)) - createNameNode [-checkpoint] > 2015-10-14 19:45:07,807 INFO impl.MetricsSystemImpl > (MetricsSystemImpl.java:init(158)) - CheckpointNode metrics system started > (again) > 2015-10-14 19:45:07,808 INFO namenode.NameNode > (NameNode.java:setClientNamenodeAddress(402)) - fs.defaultFS is > hdfs://localhost:37835 > 2015-10-14 19:45:07,808 INFO namenode.NameNode > (NameNode.java:setClientNamenodeAddress(422)) - Clients are to use > localhost:37835 to access this namenode/service. > 2015-10-14 19:45:07,810 INFO hdfs.MiniDFSCluster > (MiniDFSCluster.java:shutdown(1708)) - Shutting down the Mini HDFS Cluster > 2015-10-14 19:45:07,810 INFO namenode.FSNamesystem > (FSNamesystem.java:stopActiveServices(1298)) - Stopping services started for > active state > 2015-10-14 19:45:07,811 INFO namenode.FSEditLog > (FSEditLog.java:endCurrentLogSegment(1228)) - Ending log segment 1 > 2015-10-14 19:45:07,811 INFO namenode.FSNamesystem > (FSNamesystem.java:run(5306)) - NameNodeEditLogRoller was interrupted, exiting > 2015-10-14 19:45:07,811 INFO namenode.FSEditLog > (FSEditLog.java:printStatistics(703)) - Number of transactions: 3 Total time > for transactions(ms): 0 Number of transactions batched in Syncs: 0 Number of > syncs: 4 SyncTimes(ms): 2 1 > 2015-10-14 19:45:07,811 INFO namenode.FSNamesystem > (FSNamesystem.java:run(5373)) - LazyPersistFileScrubber was interrupted, > exiting > 2015-10-14 19:45:07,822 INFO namenode.FileJournalManager > (FileJournalManager.java:finalizeLogSegment(142)) - Finalizing edits file > /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_inprogress_0000000000000000001 > -> > /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_0000000000000000001-0000000000000000003 > 2015-10-14 19:45:07,835 INFO namenode.FileJournalManager > (FileJournalManager.java:finalizeLogSegment(142)) - Finalizing edits file > /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name2/current/edits_inprogress_0000000000000000001 > -> > /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name2/current/edits_0000000000000000001-0000000000000000003 > 2015-10-14 19:45:07,836 INFO blockmanagement.CacheReplicationMonitor > (CacheReplicationMonitor.java:run(169)) - Shutting down > CacheReplicationMonitor > 2015-10-14 19:45:07,836 INFO ipc.Server (Server.java:stop(2485)) - Stopping > server on 37835 > 2015-10-14 19:45:07,837 INFO ipc.Server (Server.java:run(718)) - Stopping IPC > Server listener on 37835 > 2015-10-14 19:45:07,837 INFO ipc.Server (Server.java:run(844)) - Stopping IPC > Server Responder > 2015-10-14 19:45:07,837 INFO blockmanagement.BlockManager > (BlockManager.java:run(3781)) - Stopping ReplicationMonitor. > 2015-10-14 19:45:07,838 WARN blockmanagement.DecommissionManager > (DecommissionManager.java:run(78)) - Monitor interrupted: > java.lang.InterruptedException: sleep interrupted > 2015-10-14 19:45:07,844 INFO namenode.FSNamesystem > (FSNamesystem.java:stopActiveServices(1298)) - Stopping services started for > active state > 2015-10-14 19:45:07,845 INFO namenode.FSNamesystem > (FSNamesystem.java:stopStandbyServices(1386)) - Stopping services started for > standby state > 2015-10-14 19:45:07,848 INFO mortbay.log (Slf4jLog.java:info(67)) - Stopped > HttpServer2$SelectChannelConnectorWithSafeStartup@localhost:0 -- This message was sent by Atlassian JIRA (v6.3.4#6332)