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https://issues.apache.org/jira/browse/NUTCH-2571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449295#comment-16449295
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ASF GitHub Bot commented on NUTCH-2571:
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Omkar20895 commented on issue #325: NUTCH-2571 SegmentReader -list fails to
read segment
URL: https://github.com/apache/nutch/pull/325#issuecomment-383805217
+1
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> SegmentReader -list fails to read segment
> -----------------------------------------
>
> Key: NUTCH-2571
> URL: https://issues.apache.org/jira/browse/NUTCH-2571
> Project: Nutch
> Issue Type: Bug
> Components: segment
> Affects Versions: 1.15
> Environment: local + pseudo-distributed mode
> Reporter: Sebastian Nagel
> Assignee: Sebastian Nagel
> Priority: Minor
> Fix For: 1.15
>
>
> The -list command of SegmentReader fails to read data from segments:
> {noformat}
> % bin/nutch readseg -list crawl/segments/20180409100315/
> Exception in thread "main" java.io.IOException: wrong value class: is not
> class org.apache.nutch.crawl.CrawlDatum
> at
> org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2379)
> at
> org.apache.nutch.segment.SegmentReader.getStats(SegmentReader.java:524)
> at org.apache.nutch.segment.SegmentReader.list(SegmentReader.java:482)
> at org.apache.nutch.segment.SegmentReader.run(SegmentReader.java:670)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.nutch.segment.SegmentReader.main(SegmentReader.java:736)
> {noformat}
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