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  1. Nutch
  2. NUTCH-2535

CrawlDbReader -stats: ClassCastException

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.15
    • 1.15
    • crawldb
    • None

    Description

      java.lang.Exception: java.lang.ClassCastException: org.apache.nutch.crawl.NutchWritable cannot be cast to org.apache.hadoop.io.LongWritable
        at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
        at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:522)
Caused by: java.lang.ClassCastException: org.apache.nutch.crawl.NutchWritable cannot be cast to org.apache.hadoop.io.LongWritable
        at org.apache.nutch.crawl.CrawlDbReader$CrawlDbStatReducer.reduce(CrawlDbReader.java:254)
        at org.apache.nutch.crawl.CrawlDbReader$CrawlDbStatReducer.reduce(CrawlDbReader.java:237)
        at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:171)

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          is caused by

          Improvement - An improvement or enhancement to an existing feature or task. NUTCH-2375 Upgrade the code base from org.apache.hadoop.mapred to org.apache.hadoop.mapreduce

          • Major - Major loss of function.
          • Closed
          links to

          Web Link GitHub Pull Request #296

          Activity

            People

              snagel Sebastian Nagel
              snagel Sebastian Nagel
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                Updated:
                Resolved: