运行weka3.7.4包管理器时出错

Question

当我在weka.jar管理器中运行tools>Package 3.7.4 (gui on windows7)时，它会显示错误.“建立包元数据缓存有问题，我们将尝试直接使用存储库。”

weka.core.WekaPackageRepositoryURL = http://www.cs.waikato.ac.nz/ml/weka/package

MetaData试图添加数据库驱动程序(JDBC)：RmiJdbc.RJDriver -警告，而不是在CLASSPA中？试图添加数据库驱动程序(JDBC)：jdbc.idbDriver -警告，而不是在CLASSPATH中？试图添加数据库驱动程序(JDBC)：org.gjt.mm.mysql.Driver -警告，而不是在CLASSPATH中？试图添加数据库驱动程序(JDBC)：com.mckoi.JDBCDriver -警告，而不是在CLA中？试图添加数据库驱动程序(JDBC)：org.hsqldb.jdbcDriver -警告，而不是在CL中？

KnowledgeFlow加载属性和插件..。KnowledgeFlow初始化KF..。

错误是

ava.net.UnknownHostException: weka.sourceforge.net
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at org.pentaho.packageManagement.DefaultPackageManager.getRepositoryPackageMetaDataOnlyAsZip(Unknown Source)
at weka.core.WekaPackageManager.refreshCache(WekaPackageManager.java:796)
at weka.core.WekaPackageManager.establishCacheIfNeeded(WekaPackageManager.java:737)
at weka.gui.PackageManager$EstablishCache.doInBackground(PackageManager.java:285)
at weka.gui.PackageManager$EstablishCache.doInBackground(PackageManager.java:256)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)    

弹出的错误是

java.net.UnknownHostException: www.cs.waikato.ac.nz
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at org.pentaho.packageManagement.DefaultPackageManager.getRepositoryPackageMetaDataOnlyAsZip(Unknown Source)
at weka.core.WekaPackageManager.refreshCache(WekaPackageManager.java:796)
at weka.core.WekaPackageManager.establishCacheIfNeeded(WekaPackageManager.java:737)
at weka.gui.PackageManager$EstablishCache.doInBackground(PackageManager.java:285)
at weka.gui.PackageManager$EstablishCache.doInBackground(PackageManager.java:256)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)    

Answer 1

看看这。

1. 创建一个文件\WEKA_HOME\props\PackageRepository.props和
2. 插入行weka.core.wekaPackageRepositoryURL=http://www.cs.waikato.ac.nz/ml/weka/packageMetaData。

Windows下的WEKA_HOME=C:\Users\YOUR_USER\wekafiles\