Sebastian Nagel created NUTCH-2571:
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Summary: 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
Reporter: Sebastian Nagel
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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