Sounds similar to this:
http://getsatisfaction.com/cloudera/topics/cdh3_map_reduce_dependencies_in_jar_problem
No resolution, but the reporting user's last guess was that it had
something to do with permissions issues on the directory where a job
jar's bundled jars (such as the Nutch plugins?) get deployed by the
JobTracker/TaskTracker.
-- Ken
On Nov 18, 2010, at 3:06am, Claudio Martella wrote:
Hello list,
as previously reported, I'm having some issues running nutch in
distributed mode on our cluster running cloudera's hadoop distribution
0.20.2+737.
the mentioned problem is:
Caused by: java.lang.RuntimeException: x point
org.apache.nutch.net.URLNormalizer not found.
at org.apache.nutch.net.URLNormalizers.<init>(URLNormalizers.java:
122)
at
org.apache.nutch.crawl.Injector$InjectMapper.configure(Injector.java:
68)
... 22 more
To try tackle down the problem i've setup a pseudo-distributed node
with
clean vanilla 0.20.2 hadoop and the aforementioned 0.20.2+737 by
cloudera.
running nutch on this pseudo-distributed cluster was successfull with
the vanilla hadoop 0.20.2 but created the aformentioned exception on
the
cdh3.
This means to me, as mentioned in my previous email, that there are
some
compatibility issues with latest cdh3. This means, for me,
"downgrading"
to vanilla hadoop the whole cluster, unless you have a better idea.
Does anybody have a suggestion about this issue?
TIA
/CM
--
Claudio Martella
Digital Technologies
Unit Research & Development - Analyst
TIS innovation park
Via Siemens 19 | Siemensstr. 19
39100 Bolzano | 39100 Bozen
Tel. +39 0471 068 123
Fax +39 0471 068 129
[email protected] http://www.tis.bz.it
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