Hi Ian,

I'm not sure if anyone got back to you on this, so I'm CC'ing the Gora user 
list as well.
Did you build the Nutch job jar from source, or did you download it from 
somewhere?

Thanks!

Cheers,
Chris

On Sep 26, 2012, at 8:26 PM, Ian Truslove wrote:

> I've begun trying to get Nutch 2.1 running in Hadoop.  I have a single node
> "cluster" running, and I have build Nutch 2.1 from source
> (http://svn.apache.org/repos/asf/nutch/branches/2.1, r1388524).  When I
> issue the command to run Nutch thus:
> 
>    ubuntu:~/apache-nutch-svn-2.1$ ~/hadoop-1.0.3/bin/hadoop jar
> build/apache-nutch-2.1.job org.apache.nutch.crawl.Crawler urls -dir urls
> -depth 3 -topN 5
> 
> then I get the following stack trace:
> 
> 12/09/26 13:18:03 WARN store.DataStoreFactory: gora.properties not found,
> properties will be empty.
> 12/09/26 13:18:03 WARN store.DataStoreFactory: gora.properties not found,
> properties will be empty.
> Exception in thread "main" org.apache.gora.util.GoraException:
> java.io.IOException: java.lang.NullPointerException
> at 
> org.apache.gora.store.DataStoreFactory.createDataStore(DataStoreFactory.java
> :167)
> at 
> org.apache.gora.store.DataStoreFactory.createDataStore(DataStoreFactory.java
> :135)
> at 
> org.apache.nutch.storage.StorageUtils.createWebStore(StorageUtils.java:75)
> at org.apache.nutch.crawl.InjectorJob.run(InjectorJob.java:214)
> at org.apache.nutch.crawl.Crawler.runTool(Crawler.java:68)
> at org.apache.nutch.crawl.Crawler.run(Crawler.java:136)
> at org.apache.nutch.crawl.Crawler.run(Crawler.java:250)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.nutch.crawl.Crawler.main(Crawler.java:257)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57
> )
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> .java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
> Caused by: java.io.IOException: java.lang.NullPointerException
> at org.apache.gora.sql.store.SqlStore.getConnection(SqlStore.java:747)
> at org.apache.gora.sql.store.SqlStore.initialize(SqlStore.java:160)
> at 
> org.apache.gora.store.DataStoreFactory.initializeDataStore(DataStoreFactory.
> java:102)
> at 
> org.apache.gora.store.DataStoreFactory.createDataStore(DataStoreFactory.java
> :161)
> ... 13 more
> Caused by: java.lang.NullPointerException
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:186)
> at org.apache.gora.sql.store.SqlStore.getConnection(SqlStore.java:735)
> ... 16 more
> 
> Unzipping the .job file shows gora.properties exists in the root directory
> of the archive.  
> 
> I'm sure I'm just making a noob error ­ can anyone point me in the right
> direction?
> 
> Thanks,
> 
> -Ian.
> 
> 


++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Chris Mattmann, Ph.D.
Senior Computer Scientist
NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
Office: 171-266B, Mailstop: 171-246
Email: [email protected]
WWW:   http://sunset.usc.edu/~mattmann/
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Adjunct Assistant Professor, Computer Science Department
University of Southern California, Los Angeles, CA 90089 USA
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

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