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From Lewis John Mcgibbney <lewis.mcgibb...@gmail.com>
Subject UnknownHostException after upgrade from 1.0.3 > 1.1.1
Date Wed, 09 Jan 2013 03:37:48 GMT
Hi All,

Over @Nutch, we are experiencing failed builds on our nightly CI builds
after the above upgrade.
This happens on the Jenkins (Solaris and Ubuntu) builds but NOT on local
operating systems. This has been verified by numerous members of the
The stack we get is appended below.
So far we've located some threads [0][1][2] which display 'similar'
behaviour, however no solution is jumping out as obvious at this point in
Any help would be greatly appreciated, we would like to get stable builds
back online.
Thank you very much in advance.


[0] : http://lucene.472066.n3.nabble.com/Nutch-Crawling-error-td612107.html
[1] : http://www.thegeekstuff.com/2012/02/hadoop-standalone-installation/
[2] : http://www.mail-archive.com/user@cassandra.apache.org/msg16668.html

java.net.UnknownHostException: -s: -s
	at java.net.InetAddress.getLocalHost(InetAddress.java:1354)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:936)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:912)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1136)
	at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:912)
	at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:886)
	at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1323)
	at org.apache.nutch.crawl.Generator.generate(Generator.java:551)
	at org.apache.nutch.crawl.Generator.generate(Generator.java:465)
	at org.apache.nutch.crawl.TestGenerator.generateFetchlist(TestGenerator.java:313)
	at org.apache.nutch.crawl.TestGenerator.testFilter(TestGenerator.java:259)


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