Howdy Ian, Chris, I found that I had to move the gora.properties file and the mappings file into the java root directory (effectively the default package) when building a Gora/Hadoop application.
Chris Gerken On Oct 2, 2012, at 8:16 AM, Mattmann, Chris A (388J) wrote: > 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 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >
