~/apache-nutch-2.3.1$ runtime/local/bin/nutch inject urls/
InjectorJob: starting at 2018-08-30 23:05:13
InjectorJob: Injecting urlDir: urls
InjectorJob: Using class org.apache.gora.mongodb.store.MongoStore as the Gora storage class.
InjectorJob: java.lang.RuntimeException: job failed: name=apache-nutch-2.3.1.jar, jobid=job_local1146912465_0001
at org.apache.nutch.util.NutchJob.waitForCompletion(NutchJob.java:120)
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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