Weka 3.8
软件包管理器 出现“ There was a problem establishing the package meta data cache.We'll try to use the repository directly.”的错误信息,
在文件夹:C:\Users\Administrator\wekafiles\props 中:
新建文件PackageRepository.props,并在文件中添加weka.core.wekaPackageRepositoryURL=http://www.cs.waikato.ac.nz/ml/weka/packageMetaData,保存。