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https://issues.apache.org/jira/browse/HDFS-13868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16605412#comment-16605412
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Hadoop QA commented on HDFS-13868:
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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} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 5s{color}
| {color:red} HDFS-13868 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-13868 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12938608/HDFS-13868.003.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/24983/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> WebHDFS: GETSNAPSHOTDIFF API NPE when param "snapshotname" is given but
> "oldsnapshotname" is not.
> -------------------------------------------------------------------------------------------------
>
> Key: HDFS-13868
> URL: https://issues.apache.org/jira/browse/HDFS-13868
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs, webhdfs
> Affects Versions: 3.1.0, 3.0.3
> Reporter: Siyao Meng
> Assignee: Pranay Singh
> Priority: Major
> Attachments: HDFS-13868.001.patch, HDFS-13868.002.patch,
> HDFS-13868.003.patch
>
>
> HDFS-13052 implements GETSNAPSHOTDIFF for WebHDFS.
>
> Proof:
> {code:java}
> # Bash
> # Prerequisite: You will need to create the directory "/snapshot",
> allowSnapshot() on it, and create a snapshot named "snap3" for it to reach
> NPE.
> $ curl
> "http://<SERVER>:<PORT>/webhdfs/v1/snaptest/?op=GETSNAPSHOTDIFF&user.name=hdfs&oldsnapshotnameZZZ=snap2&snapshotname=snap3"
> # Note that I intentionally typed the wrong parameter name for
> "oldsnapshotname" above to cause NPE.
> {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}}
> # OR
> $ curl
> "http://<SERVER>:<PORT>/webhdfs/v1/snaptest/?op=GETSNAPSHOTDIFF&user.name=hdfs&oldsnapshotname=&snapshotname=snap3"
> # Empty string for oldsnapshotname
> {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}}
> # OR
> $ curl
> "http://<SERVER>:<PORT>/webhdfs/v1/snaptest/?op=GETSNAPSHOTDIFF&user.name=hdfs&snapshotname=snap3"
> # Missing param oldsnapshotname, essentially the same as the first case.
> {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}{code}
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