ollagnier created MAHOUT-1367:
---------------------------------
Summary: 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: Blocker
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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