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https://issues.apache.org/jira/browse/HADOOP-14469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16056831#comment-16056831
]
Hadoop QA commented on HADOOP-14469:
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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} HADOOP-14469 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 | HADOOP-14469 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12873776/HADOOP-14469-008.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/12583/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> FTPFileSystem#listStatus get currentPath and parentPath at the same time,
> causing recursively list action endless
> -----------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-14469
> URL: https://issues.apache.org/jira/browse/HADOOP-14469
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs, tools/distcp
> Affects Versions: 2.6.0
> Environment: ftp build by windows7 + Serv-U_64 12.1.0.8
> code runs any os
> Reporter: Hongyuan Li
> Assignee: Hongyuan Li
> Priority: Critical
> Attachments: HADOOP-14469-001.patch, HADOOP-14469-002.patch,
> HADOOP-14469-003.patch, HADOOP-14469-004.patch, HADOOP-14469-005.patch,
> HADOOP-14469-006.patch, HADOOP-14469-007.patch, HADOOP-14469-008.patch
>
>
> for some ftpsystems, liststatus method will return new Path(".") and new
> Path(".."), thus causing list op looping.for example, Serv-U
> We can see the logic in code below:
> {code}
> private FileStatus[] listStatus(FTPClient client, Path file)
> throws IOException {
> ……
> FileStatus[] fileStats = new FileStatus[ftpFiles.length];
> for (int i = 0; i < ftpFiles.length; i++) {
> fileStats[i] = getFileStatus(ftpFiles[i], absolute);
> }
> return fileStats;
> }
> {code}
> {code}
> public void test() throws Exception{
> FTPFileSystem ftpFileSystem = new FTPFileSystem();
> ftpFileSystem.initialize(new
> Path("ftp://test:123456@192.168.44.1/";).toUri(),
> new Configuration());
> FileStatus[] fileStatus = ftpFileSystem.listStatus(new Path("/new"));
> for(FileStatus fileStatus1 : fileStatus)
> System.out.println(fileStatus1);
> }
> {code}
> using test code below, the test results list below
> {code}
> FileStatus{path=ftp://test:123456@192.168.44.1/new; isDirectory=true;
> modification_time=1496716980000; access_time=0; owner=user; group=group;
> permission=---------; isSymlink=false}
> FileStatus{path=ftp://test:123456@192.168.44.1/; isDirectory=true;
> modification_time=1496716980000; access_time=0; owner=user; group=group;
> permission=---------; isSymlink=false}
> FileStatus{path=ftp://test:123456@192.168.44.1/new/hadoop; isDirectory=true;
> modification_time=1496716980000; access_time=0; owner=user; group=group;
> permission=---------; isSymlink=false}
> FileStatus{path=ftp://test:123456@192.168.44.1/new/HADOOP-14431-002.patch;
> isDirectory=false; length=2036; replication=1; blocksize=4096;
> modification_time=1495797780000; access_time=0; owner=user; group=group;
> permission=---------; isSymlink=false}
> FileStatus{path=ftp://test:123456@192.168.44.1/new/HADOOP-14486-001.patch;
> isDirectory=false; length=1322; replication=1; blocksize=4096;
> modification_time=1496716980000; access_time=0; owner=user; group=group;
> permission=---------; isSymlink=false}
> FileStatus{path=ftp://test:123456@192.168.44.1/new/hadoop-main;
> isDirectory=true; modification_time=1495797120000; access_time=0; owner=user;
> group=group; permission=---------; isSymlink=false}
> {code}
> In results above, {{FileStatus{path=ftp://test:123456@192.168.44.1/new; ……}}
> is obviously the current Path, and
> {{FileStatus{path=ftp://test:123456@192.168.44.1/;……}} is obviously the
> parent Path.
> So, if we want to walk the directory recursively, it will stuck.
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