[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Attachment: HDFS-9249.006.patch
Removed an extra space to meet code style expectation.
The ASF licenses warnings are false positives.
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> 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,
> HDFS-9249.003.patch, HDFS-9249.004.patch, HDFS-9249.005.patch,
> HDFS-9249.006.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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
>
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Attachment: HDFS-9249.005.patch
Thanks [~yzhangal]!
Rev 5 is based on Yongjun's suggestions. The improved code looks cleaner and
handles more cases.
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> 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,
> HDFS-9249.003.patch, HDFS-9249.004.patch, HDFS-9249.005.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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
>
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Attachment: HDFS-9249.004.patch
I had an offline discussion with [~yzhangal] and had learned a lot when it
comes to supportability.
Rev4 address his comments:
Basically, do not ignore the null pointer, instead, catch NPE at its caller.
This makes it easier to understand the IOException and NPE are related. Also,
added comments in the test case to make it easier to understand.
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> 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,
> HDFS-9249.003.patch, HDFS-9249.004.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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 2015-10-14 19:45:07,835 INFO namenode.FileJournalManager
> (FileJournalManager.java:finalizeLogSegment(142)) - Finalizing edits file
>
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Attachment: HDFS-9249.003.patch
Reset authentication method at end of the test to clean up.
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> 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,
> HDFS-9249.003.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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name2/current/edits_001-003
> 2015-10-14 19:45:07,836 INFO
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Attachment: HDFS-9249.002.patch
Attaching rev2. This patch adds a test case that verifies the fix for the NPE
when the authentication of backup node is incorrectly configured.
Thanks [~steve_l] for thoughtful comments.
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> 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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
>
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Steve Loughran updated HDFS-9249:
-
Affects Version/s: 2.7.1
Component/s: namenode
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> 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
>
>
> 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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name2/current/edits_001-003
> 2015-10-14 19:45:07,836 INFO blockmanagement.CacheReplicationMonitor
> (CacheReplicationMonitor.java:run(169)) - Shutting down
>
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Labels: supportability (was: )
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> Key: HDFS-9249
> URL: https://issues.apache.org/jira/browse/HDFS-9249
> Project: Hadoop HDFS
> Issue Type: Bug
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
>Priority: Minor
> Labels: supportability
>
> 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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name2/current/edits_001-003
> 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
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Attachment: HDFS-9249.001.patch
Check for null pointer, and add more verbose log info when IOException is
thrown.
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> Key: HDFS-9249
> URL: https://issues.apache.org/jira/browse/HDFS-9249
> Project: Hadoop HDFS
> Issue Type: Bug
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
>Priority: Minor
> Labels: supportability
> Attachments: HDFS-9249.001.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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name2/current/edits_001-003
> 2015-10-14 19:45:07,836 INFO blockmanagement.CacheReplicationMonitor
> (CacheReplicationMonitor.java:run(169)) - Shutting down
>
[jira] [Updated] (HDFS-9249) NPE thrown if an IOException is thrown in NameNode.
[
https://issues.apache.org/jira/browse/HDFS-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei-Chiu Chuang updated HDFS-9249:
--
Status: Patch Available (was: Open)
> NPE thrown if an IOException is thrown in NameNode.
> -
>
> Key: HDFS-9249
> URL: https://issues.apache.org/jira/browse/HDFS-9249
> Project: Hadoop HDFS
> Issue Type: Bug
>Reporter: Wei-Chiu Chuang
>Assignee: Wei-Chiu Chuang
>Priority: Minor
> Labels: supportability
> Attachments: HDFS-9249.001.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.(NameNode.java:827)
> at
> org.apache.hadoop.hdfs.server.namenode.BackupNode.(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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name1/current/edits_001-003
> 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_001
> ->
> /data/jenkins/workspace/CDH5.5.0-Hadoop-HDFS-2.6.0/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/name2/current/edits_001-003
> 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)) -
