[NUTCH-2614] NPE in CrawlDbReader -stats on empty CrawlDb

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.14, 1.15
• Fix Version/s: 1.15
• Component/s: crawldb
• Assignee: Unassigned
• Reporter: Markus Jelsma
• Created: 03/Jul/18 12:22
• Updated: 01/Oct/19 14:29
• Resolved: 11/Jul/18 10:40

Description

Got this in master:

Exception in thread "main" java.lang.NullPointerException
        at org.apache.nutch.crawl.CrawlDbReader.processStatJob(CrawlDbReader.java:555)
        at org.apache.nutch.crawl.CrawlDbReader.run(CrawlDbReader.java:914)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.nutch.crawl.CrawlDbReader.main(CrawlDbReader.java:980)

Not sure why it happens or which commit caused the problem.

Issue Links

• links to: GitHub Pull Request #357
• links to: PR #357