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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11270) Seek behavior difference between NativeS3FsInputStream and DFSInputStream
Date Fri, 01 Jul 2016 04:22:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358360#comment-15358360
] 

Hadoop QA commented on HADOOP-11270:
------------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 20s{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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  0s{color} | {color:red}
The patch doesn't appear to include any new or modified tests. Please justify why no new tests
are needed for this patch. Also please list what manual steps were performed to verify this
patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 10s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 15s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 13s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 18s{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}  0m 28s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 13s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 13s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 12s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 12s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 11s{color}
| {color:orange} hadoop-tools/hadoop-aws: The patch generated 1 new + 30 unchanged - 5 fixed
= 31 total (was 35) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 16s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 11s{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:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 35s{color} | {color:red}
hadoop-tools/hadoop-aws generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) {color}
|
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 11s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 13s{color} | {color:green}
hadoop-aws in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 15s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 12m 47s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-tools/hadoop-aws |
|  |  org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream.reopen(long)
ignores result of java.io.InputStream.skip(long)  At NativeS3FileSystem.java: At NativeS3FileSystem.java:[line
207] |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:85209cc |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12815674/HADOOP-11270.04.patch
|
| JIRA Issue | HADOOP-11270 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 4e0a6688e24b 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 / 846ada2 |
| Default Java | 1.8.0_91 |
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/9912/artifact/patchprocess/diff-checkstyle-hadoop-tools_hadoop-aws.txt
|
| findbugs | https://builds.apache.org/job/PreCommit-HADOOP-Build/9912/artifact/patchprocess/new-findbugs-hadoop-tools_hadoop-aws.html
|
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/9912/testReport/ |
| modules | C: hadoop-tools/hadoop-aws U: hadoop-tools/hadoop-aws |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/9912/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Seek behavior difference between NativeS3FsInputStream and DFSInputStream
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-11270
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11270
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/s3
>    Affects Versions: 2.5.1
>            Reporter: Venkata Puneet Ravuri
>            Assignee: Venkata Puneet Ravuri
>              Labels: BB2015-05-TBR, fs
>         Attachments: HADOOP-11270.02.patch, HADOOP-11270.03.patch, HADOOP-11270.04.patch,
HADOOP-11270.patch
>
>
> There is a difference in behavior while seeking a given file present
> in S3 using NativeS3FileSystem$NativeS3FsInputStream and a file present in HDFS using
DFSInputStream.
> If we seek to the end of the file incase of NativeS3FsInputStream, it fails with exception
"java.io.EOFException: Attempted to seek or read past the end of the file". That is because
a getObject request is issued on the S3 object with range start as value of length of file.
> This is the complete exception stack:-
> Caused by: java.io.EOFException: Attempted to seek or read past the end of the file
> at org.apache.hadoop.fs.s3native.Jets3tNativeFileSystemStore.processException(Jets3tNativeFileSystemStore.java:462)
> at org.apache.hadoop.fs.s3native.Jets3tNativeFileSystemStore.handleException(Jets3tNativeFileSystemStore.java:411)
> at org.apache.hadoop.fs.s3native.Jets3tNativeFileSystemStore.retrieve(Jets3tNativeFileSystemStore.java:234)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at org.apache.hadoop.fs.s3native.$Proxy17.retrieve(Unknown Source)
> at org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream.seek(NativeS3FileSystem.java:205)
> at org.apache.hadoop.fs.BufferedFSInputStream.seek(BufferedFSInputStream.java:96)
> at org.apache.hadoop.fs.BufferedFSInputStream.skip(BufferedFSInputStream.java:67)
> at java.io.DataInputStream.skipBytes(DataInputStream.java:220)
> at org.apache.hadoop.hive.ql.io.RCFile$ValueBuffer.readFields(RCFile.java:739)
> at org.apache.hadoop.hive.ql.io.RCFile$Reader.currentValueBuffer(RCFile.java:1720)
> at org.apache.hadoop.hive.ql.io.RCFile$Reader.getCurrentRow(RCFile.java:1898)
> at org.apache.hadoop.hive.ql.io.RCFileRecordReader.next(RCFileRecordReader.java:149)
> at org.apache.hadoop.hive.ql.io.RCFileRecordReader.next(RCFileRecordReader.java:44)
> at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:339)
> ... 15 more



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