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https://issues.apache.org/jira/browse/NUTCH-2570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16453906#comment-16453906
]
Hudson commented on NUTCH-2570:
-------------------------------
SUCCESS: Integrated in Jenkins build Nutch-trunk #3522 (See
[https://builds.apache.org/job/Nutch-trunk/3522/])
NUTCH-2570 Deduplication job fails to install deduplicated CrawlDb - run
(snagel:
[https://github.com/apache/nutch/commit/447587881a14dd85317f33c4ccba1db5321ac0da])
* (edit) src/java/org/apache/nutch/crawl/DeduplicationJob.java
> Deduplication job fails to install deduplicated CrawlDb
> -------------------------------------------------------
>
> Key: NUTCH-2570
> URL: https://issues.apache.org/jira/browse/NUTCH-2570
> Project: Nutch
> Issue Type: Bug
> Components: crawldb
> Affects Versions: 1.15
> Reporter: Sebastian Nagel
> Assignee: Sebastian Nagel
> Priority: Critical
> Fix For: 1.15
>
>
> The DeduplicationJob ("nutch dedup") fails to install the deduplicated
> CrawlDb and leaves only the "old" crawldb (if "db.preserve.backup" is true):
> {noformat}
> % tree crawldb
> crawldb
> ├── current
> │ └── part-r-00000
> │ ├── data
> │ └── index
> └── old
> └── part-r-00000
> ├── data
> └── index
> % bin/nutch dedup crawldb
> DeduplicationJob: starting at 2018-04-22 21:48:08
> Deduplication: 6 documents marked as duplicates
> Deduplication: Updating status of duplicate urls into crawl db.
> Exception in thread "main" java.io.FileNotFoundException: File
> file:/tmp/crawldb/1742327020 does not exist
> at
> org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:611)
> at
> org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:824)
> at
> org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:601)
> at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:337)
> at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:289)
> at org.apache.hadoop.fs.RawLocalFileSystem.rename(RawLocalFileSystem.java:374)
> at org.apache.hadoop.fs.ChecksumFileSystem.rename(ChecksumFileSystem.java:613)
> at org.apache.nutch.util.FSUtils.replace(FSUtils.java:58)
> at org.apache.nutch.crawl.CrawlDb.install(CrawlDb.java:212)
> at org.apache.nutch.crawl.CrawlDb.install(CrawlDb.java:225)
> at org.apache.nutch.crawl.DeduplicationJob.run(DeduplicationJob.java:366)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.nutch.crawl.DeduplicationJob.main(DeduplicationJob.java:379)
> % tree crawldb
> crawldb
> └── old
> └── part-r-00000
> ├── data
> └── index
> {noformat}
> In pseudo-distributed mode it's even worse: only the "old" CrawlDb is left
> without any error.
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