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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12013) libhdfs++: read with offset at EOF should return 0 bytes instead of error
Date Wed, 05 Jul 2017 23:09:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16075592#comment-16075592
] 

Hadoop QA commented on HDFS-12013:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 12m 50s{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} 11m  2s{color}
| {color:green} HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 40s{color} |
{color:green} HDFS-8707 passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 58s{color} |
{color:green} HDFS-8707 passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 18s{color} |
{color:green} HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 10s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 38s{color} |
{color:green} the patch passed with JDK v1.8.0_131 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  7m 38s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m 38s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 47s{color} |
{color:green} the patch passed with JDK v1.7.0_131 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  7m 47s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m 47s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 13s{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} unit {color} | {color:green} 10m 20s{color} | {color:green}
hadoop-hdfs-native-client in the patch passed with JDK v1.7.0_131. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 20s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 80m 23s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:5ae34ac |
| JIRA Issue | HDFS-12013 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12875820/HDFS-12013.HDFS-8707.000.patch
|
| Optional Tests |  asflicense  compile  cc  mvnsite  javac  unit  |
| uname | Linux 6d6eff0cee39 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 14:13:22 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | HDFS-8707 / 0d2d073 |
| Default Java | 1.7.0_131 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_131 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_131
|
| JDK v1.7.0_131  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/20167/testReport/
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs-native-client U: hadoop-hdfs-project/hadoop-hdfs-native-client
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/20167/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> libhdfs++: read with offset at EOF should return 0 bytes instead of error
> -------------------------------------------------------------------------
>
>                 Key: HDFS-12013
>                 URL: https://issues.apache.org/jira/browse/HDFS-12013
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Xiaowei Zhu
>            Assignee: Xiaowei Zhu
>            Priority: Critical
>         Attachments: HDFS-12013.HDFS-8707.000.patch
>
>
> The current behavior is when you read from offset == file_length, it will throw error:
> "AsyncPreadSome: trying to begin a read past the EOF"
> But read with offset at EOF should just return 0 bytes. The above error should only be
thrown when offset > file_length.



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