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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8220) Erasure Coding: StripedDataStreamer fails to handle the blocklocations which doesn't satisfy BlockGroupSize
Date Thu, 07 May 2015 12:20:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14532529#comment-14532529
] 

Hadoop QA commented on HDFS-8220:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 43s | Pre-patch HDFS-7285 compilation is healthy.
|
| {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 |   7m 30s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 38s | There were no new javadoc warning messages.
|
| {color:red}-1{color} | release audit |   3m 56s | The applied patch generated 83 release
audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 17s | The applied patch generated  1178 new checkstyle
issues (total was 3, now 591). |
| {color:red}-1{color} | whitespace |   0m  1s | The patch has 1  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:red}-1{color} | findbugs |   3m 14s | The patch appears to introduce 8 new Findbugs
(version 2.0.3) warnings. |
| {color:green}+1{color} | native |   3m 13s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 192m 23s | Tests failed in hadoop-hdfs. |
| | | 239m  7s | |
\\
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs |
|  |  Inconsistent synchronization of org.apache.hadoop.hdfs.DFSOutputStream.streamer; locked
89% of time  Unsynchronized access at DFSOutputStream.java:89% of time  Unsynchronized access
at DFSOutputStream.java:[line 146] |
|  |  Possible null pointer dereference of arr$ in org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStripedUnderConstruction.initializeBlockRecovery(long)
 Dereferenced at BlockInfoStripedUnderConstruction.java:arr$ in org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStripedUnderConstruction.initializeBlockRecovery(long)
 Dereferenced at BlockInfoStripedUnderConstruction.java:[line 206] |
|  |  Unread field:field be static?  At ErasureCodingWorker.java:[line 251] |
|  |  Should org.apache.hadoop.hdfs.server.datanode.erasurecode.ErasureCodingWorker$StripedReader
be a _static_ inner class?  At ErasureCodingWorker.java:inner class?  At ErasureCodingWorker.java:[lines
910-912] |
|  |  Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.createErasureCodingZone(String,
ECSchema):in org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.createErasureCodingZone(String,
ECSchema): String.getBytes()  At ErasureCodingZoneManager.java:[line 117] |
|  |  Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.getECZoneInfo(INodesInPath):in
org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.getECZoneInfo(INodesInPath):
new String(byte[])  At ErasureCodingZoneManager.java:[line 81] |
|  |  Result of integer multiplication cast to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.constructInternalBlock(LocatedStripedBlock,
int, int, int, int)  At StripedBlockUtil.java:to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.constructInternalBlock(LocatedStripedBlock,
int, int, int, int)  At StripedBlockUtil.java:[line 84] |
|  |  Result of integer multiplication cast to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.planReadPortions(int,
int, long, int, int)  At StripedBlockUtil.java:to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.planReadPortions(int,
int, long, int, int)  At StripedBlockUtil.java:[line 204] |
| Failed unit tests | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
|   | hadoop.hdfs.server.namenode.TestAuditLogs |
|   | hadoop.hdfs.server.namenode.TestFileTruncate |
|   | hadoop.hdfs.server.blockmanagement.TestReplicationPolicy |
|   | hadoop.hdfs.TestRecoverStripedFile |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12731118/HDFS-8220-HDFS-7285.005.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | HDFS-7285 / 2a89e1d |
| Release Audit | https://builds.apache.org/job/PreCommit-HDFS-Build/10843/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/10843/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/10843/artifact/patchprocess/whitespace.txt
|
| Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/10843/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/10843/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/10843/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf900.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/10843/console |


This message was automatically generated.

> Erasure Coding: StripedDataStreamer fails to handle the blocklocations which doesn't
satisfy BlockGroupSize
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8220
>                 URL: https://issues.apache.org/jira/browse/HDFS-8220
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>         Attachments: HDFS-8220-001.patch, HDFS-8220-002.patch, HDFS-8220-003.patch, HDFS-8220-004.patch,
HDFS-8220-HDFS-7285.005.patch
>
>
> During write operations {{StripedDataStreamer#locateFollowingBlock}} fails to validate
the available datanodes against the {{BlockGroupSize}}. Please see the exception to understand
more:
> {code}
> 2015-04-22 14:56:11,313 WARN  hdfs.DFSClient (DataStreamer.java:run(538)) - DataStreamer
Exception
> java.lang.NullPointerException
> 	at java.util.concurrent.LinkedBlockingQueue.offer(LinkedBlockingQueue.java:374)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.locateFollowingBlock(StripedDataStreamer.java:157)
> 	at org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1332)
> 	at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:424)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.run(StripedDataStreamer.java:1)
> 2015-04-22 14:56:11,313 INFO  hdfs.MiniDFSCluster (MiniDFSCluster.java:shutdown(1718))
- Shutting down the Mini HDFS Cluster
> 2015-04-22 14:56:11,313 ERROR hdfs.DFSClient (DFSClient.java:closeAllFilesBeingWritten(608))
- Failed to close inode 16387
> java.io.IOException: DataStreamer Exception: 
> 	at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:544)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.run(StripedDataStreamer.java:1)
> Caused by: java.lang.NullPointerException
> 	at java.util.concurrent.LinkedBlockingQueue.offer(LinkedBlockingQueue.java:374)
> 	at org.apache.hadoop.hdfs.StripedDataStreamer.locateFollowingBlock(StripedDataStreamer.java:157)
> 	at org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1332)
> 	at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:424)
> 	... 1 more
> {code}



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