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Posted to dev@mahout.apache.org by "ollagnier (JIRA)" <ji...@apache.org> on 2013/11/29 16:11:35 UTC
[jira] [Commented] (MAHOUT-1367) WikipediaXmlSplitter --> Exception
in thread "main" java.lang.NullPointerException
[ https://issues.apache.org/jira/browse/MAHOUT-1367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13835413#comment-13835413 ]
ollagnier commented on MAHOUT-1367:
-----------------------------------
if you talk about my environment variable is correct, I was able to launch other processes
And if you talk about the input file, I positioned in the directory
> WikipediaXmlSplitter --> Exception in thread "main" java.lang.NullPointerException
> ----------------------------------------------------------------------------------
>
> Key: MAHOUT-1367
> URL: https://issues.apache.org/jira/browse/MAHOUT-1367
> Project: Mahout
> Issue Type: Bug
> Environment: ubuntu
> Reporter: ollagnier
> Priority: Minor
> Fix For: 0.8
>
>
> Hi !
> When I run this command : $MAHOUT_HOME/bin/mahout org.apache.mahout.text.wikipedia.WikipediaXmlSplitter -d frwiki-latest-pages-articles.xml.bz2 -o wikipedia-xml-chunks -c 100
> I have this error :
> MAHOUT-JOB: /home/ollagnier/Documents/tools/mahout-distribution-0.8/bin/trunk/examples/target/mahout-examples-0.9-SNAPSHOT-job.jar
> 13/11/29 14:51:08 WARN driver.MahoutDriver: No org.apache.mahout.text.wikipedia.WikipediaXmlSplitter.props found on classpath, will use command-line arguments only
> 13/11/29 14:51:08 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
> Exception in thread "main" java.lang.NullPointerException
> at org.apache.hadoop.io.compress.bzip2.Bzip2Factory.isNativeBzip2Loaded(Bzip2Factory.java:54)
> at org.apache.hadoop.io.compress.bzip2.Bzip2Factory.getBzip2Decompressor(Bzip2Factory.java:131)
> at org.apache.hadoop.io.compress.BZip2Codec.createDecompressor(BZip2Codec.java:250)
> at org.apache.hadoop.io.compress.BZip2Codec.createInputStream(BZip2Codec.java:156)
> at org.apache.mahout.text.wikipedia.WikipediaXmlSplitter.main(WikipediaXmlSplitter.java:190)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
> at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 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:606)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
> And I have a little trouble seeing where it comes from
> Thank you for your help
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