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https://issues.apache.org/jira/browse/NUTCH-2569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Nagel resolved NUTCH-2569.
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Resolution: Fixed
> ClassNotFoundException when running in (pseudo-)distributed mode
> ----------------------------------------------------------------
>
> Key: NUTCH-2569
> URL: https://issues.apache.org/jira/browse/NUTCH-2569
> Project: Nutch
> Issue Type: Bug
> Affects Versions: 1.15
> Reporter: Sebastian Nagel
> Assignee: Sebastian Nagel
> Priority: Blocker
> Fix For: 1.15
>
>
> The CrawlDb / updatedb job fails in pseudo-distributed mode with a
> ClassNotFoundException:
> {noformat}
> 18/04/22 19:24:49 INFO mapreduce.Job: Task Id :
> attempt_1524395182329_0018_m_000000_0, Status : FAILED
> Error: java.lang.RuntimeException: java.lang.ClassNotFoundException: Class
> org.apache.nutch.crawl.CrawlDbFilter not found
> at
> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2369)
> at
> org.apache.hadoop.mapreduce.task.JobContextImpl.getMapperClass(JobContextImpl.java:186)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:745)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:175)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:169)
> Caused by: java.lang.ClassNotFoundException: Class
> org.apache.nutch.crawl.CrawlDbFilter not found
> at
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2273)
> at
> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2367)
> {noformat}
> Must define the job jar by calling {{job.setJarByClass(...)}}. This affects
> also other jobs.
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