[
https://issues.apache.org/jira/browse/HDFS-10691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15397406#comment-15397406
]
Hadoop QA commented on HDFS-10691:
----------------------------------
| (/) *{color:green}+1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
13s{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
35s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
40s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 57m
57s{color} | {color:green} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
18s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 76m 34s{color} |
{color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:9560f25 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12820686/HDFS-10691.003.patch |
| JIRA Issue | HDFS-10691 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 03e832ae67e9 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 |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 414fbfa |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/16235/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/16235/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> FileDistribution fails in hdfs oiv command due to
> ArrayIndexOutOfBoundsException
> --------------------------------------------------------------------------------
>
> Key: HDFS-10691
> URL: https://issues.apache.org/jira/browse/HDFS-10691
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.1
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Attachments: HDFS-10691.001.patch, HDFS-10691.002.patch,
> HDFS-10691.003.patch
>
>
> I use hdfs oiv -p FileDistribution command to do a file analyse. But the
> {{ArrayIndexOutOfBoundsException}} happened and lead the process terminated.
> The stack infos:
> {code}
> Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 103
> at
> org.apache.hadoop.hdfs.tools.offlineImageViewer.FileDistributionCalculator.run(FileDistributionCalculator.java:243)
> at
> org.apache.hadoop.hdfs.tools.offlineImageViewer.FileDistributionCalculator.visit(FileDistributionCalculator.java:176)
> at
> org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(OfflineImageViewerPB.java:176)
> at
> org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.main(OfflineImageViewerPB.java:129)
> {code}
> I looked into the code and I found the exception was threw in increasing
> count of {{distribution}}. And the reason for the exception is that the
> bucket number was more than the distribution's length.
> Here are my steps:
> 1).The input command params:
> {code}
> hdfs oiv -p FileDistribution -maxSize 104857600 -step 1024000
> {code}
> The {{numIntervals}} in code should be 104857600/1024000 =102(real
> value:102.4), so the {{distribution}}'s length should be {{numIntervals}} + 1
> = 103.
> 2).The {{ArrayIndexOutOfBoundsException}} will happens when the file size is
> in range ((maxSize/step)*step, maxSize]. For example, if the size of one file
> is 104800000, and it's in range of size as mentioned before. And the bucket
> number is calculated as 104800000/1024000=102.3, then in code we do the
> {{Math.ceil}} of this, so the final value should be 103. But the
> {{distribution}}'s length is also 103, it means the index is from 0 to 102.
> So the {{ArrayIndexOutOfBoundsException}} happens.
> In a word, the exception will happens when {{maxSize}} can not be divided by
> {{step}} and meanwhile the size of file is in range ((maxSize/step)*step,
> maxSize]. The related logic should be changed from
> {code}
> int bucket = fileSize > maxSize ? distribution.length - 1 : (int) Math
> .ceil((double)fileSize / steps);
> {code}
> to
> {code}
> int bucket =
> fileSize >= maxSize || fileSize > (maxSize / steps) * steps ?
> distribution.length - 1 : (int) Math.ceil((double) fileSize /
> steps);
> {code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
