when i try to run, following error comes, In mongodb logs one connection accepted and end immediately.how solve it?
$ bin/crawl conf/urls/seeds.txt tuto 1
No SOLRURL specified. Skipping indexing.
Injecting seed URLs
/e/apache-nutch/apache-nutch-2.3.1/runtime/local/bin/nutch inject conf/urls/seeds.txt -crawlId tuto
InjectorJob: starting at 2016-10-01 18:15:14
InjectorJob: Injecting urlDir: conf/urls/seeds.txt
InjectorJob: Using class org.apache.gora.mongodb.store.MongoStore as the Gora storage class.
InjectorJob: java.lang.NullPointerException
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1010)
at org.apache.hadoop.util.Shell.runCommand(Shell.java:482)
at org.apache.hadoop.util.Shell.run(Shell.java:455)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:702)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:791)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:774)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:646)
at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:434)
at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:281)
at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:125)
at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:348)
at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1285)
at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1282)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:1282)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1303)
at org.apache.nutch.util.NutchJob.waitForCompletion(NutchJob.java:115)
at org.apache.nutch.crawl.InjectorJob.run(InjectorJob.java:231)
at org.apache.nutch.crawl.InjectorJob.inject(InjectorJob.java:252)
at org.apache.nutch.crawl.InjectorJob.run(InjectorJob.java:275)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.nutch.crawl.InjectorJob.main(InjectorJob.java:284)
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2 Answers
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