Failure of update the tool of WEKA

Failure of update the tool of WEKA

Question: How to solve the following question:

java.io.IOException: Server returned HTTP response code: 500 for URL: http://weka.sourceforge.net/packageMetaData/WekaODF/versions.txt

Answer:

create a file called "PackageRepository.props" in $HOME/wekafiles/props 
and add the following line to it:

weka.core.wekaPackageRepositoryURL=http://www.cs.waikato.ac.nz/ml/weka/packageMe

Source:

https://list.scms.waikato.ac.nz/pipermail/wekalist/2012-February.txt