The exception occurs because ImageExtractor needs the commons dump, but you
didn't download it. The following should be in your download.properties:
# Only needed for the ImageExtractor
download=commons:pages-articles.xml.bz2
(Copied from download.10000.properties.)
Just run the download again, it won't download the other files again if
they are up to date.
HTH
JC
On Mar 15, 2014 11:45 PM, "wencan luo" <[email protected]> wrote:
> I have successfully compiled the extraction-framework and run the download
> for the English Wikipedia.
>
> However, when I run the extraction, I have the following error:
> ################################################################
> ....
> Caused by: java.io.IOException: failed to list files in
> [E:\project\gsoc2014\wik
> ipedia\commonswiki]
> at org.dbpedia.extraction.util.RichFile.names(RichFile.scala:44)
> at org.dbpedia.extraction.util.RichFile.names(RichFile.scala:39)
> at org.dbpedia.extraction.util.Finder.dates(Finder.scala:52)
> at
> org.dbpedia.extraction.dump.extract.ConfigLoader.latestDate(ConfigLoa
> der.scala:196)
> ....
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 03:46 h
> [INFO] Finished at: 2014-03-15T06:31:41-05:00
> [INFO] Final Memory: 10M/231M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> net.alchim31.maven:scala-maven-plugin:3.1.6:run (
> default-cli) on project dump: wrap:
> org.apache.commons.exec.ExecuteException: Pr
> ocess exited with an error: -10000 (Exit value: -10000) -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the
> -e swit
> ch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions,
> please rea
> d the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionE
> xception
> ###########################################################
>
> After it, there is only one output file under the dataset folder:
> enwiki-20140304-template-redirects.obj
>
>
> In addition, I used the following config parameters for the extraction:
> base-dir=E:/project/gsoc2014/wikipedia
> source=pages-articles.xml.bz2
> languages=en
>
>
> extractors.en=.MappingExtractor,.DisambiguationExtractor,.HomepageExtractor,.ImageExtractor,\
>
> .PersondataExtractor,.PndExtractor,.TopicalConceptsExtractor,.FlickrWrapprLinkExtractor
>
> Here are my questions:
> 1. Does different languages have different extractors?
> 2. Is the default source parameter "pages-articles.xml.bz2"? When I didn't
> include this line, I will have an exception saying **pages-articles.xml not
> found.
> 3. How many hours does it take to run the extractor for only the english
> and for all the languages?
> 4. How many disk space do I need to store all the data?
> 5. How can I debug an extractor? Testing on the whole Wikipedia dump is
> impossible when debugging. It is too slow.
>
>
> --
> Wencan Luo
> CS Department- Univ. of Pittsburgh
> 210 S. Bouquet Street
> 6501 Sennott Square
> Pittsburgh, PA 15260
> E-mail: [email protected] or [email protected]
>
>
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