java.lang.NullPointerException
at weka.core.WekaPackageLibIsolatingClassLoader.checkForNativeLibs(WekaPackageLibIsolatingClassLoader.java:220)
at weka.core.WekaPackageLibIsolatingClassLoader.init(WekaPackageLibIsolatingClassLoader.java:145)
at weka.core.WekaPackageLibIsolatingClassLoader.(WekaPackageLibIsolatingClassLoader.java:126)
at weka.core.WekaPackageClassLoaderManager.addPackageToClassLoader(WekaPackageClassLoaderManager.java:369)
at weka.core.WekaPackageManager.initializeAndLoadUnofficialPackage(WekaPackageManager.java:2285)
at weka.core.WekaPackageManager.installPackageFromArchive(WekaPackageManager.java:2272)
at weka.gui.PackageManager$UnofficialInstallTask.doInBackground(PackageManager.java:779)
at weka.gui.PackageManager$UnofficialInstallTask.doInBackground(PackageManager.java:723)
at javax.swing.SwingWorker$1.call(SwingWorker.java:295)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at javax.swing.SwingWorker.run(SwingWorker.java:334)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
java.lang.NullPointerException at weka.core.WekaPackageLibIsolatingClassLoader.checkForNativeLibs(WekaPackageLibIsolatingClassLoader.java:220) at weka.core.WekaPackageLibIsolatingClassLoader.init(WekaPackageLibIsolatingClassLoader.java:145) at weka.core.WekaPackageLibIsolatingClassLoader.(WekaPackageLibIsolatingClassLoader.java:126)
at weka.core.WekaPackageClassLoaderManager.addPackageToClassLoader(WekaPackageClassLoaderManager.java:369)
at weka.core.WekaPackageManager.initializeAndLoadUnofficialPackage(WekaPackageManager.java:2285)
at weka.core.WekaPackageManager.installPackageFromArchive(WekaPackageManager.java:2272)
at weka.gui.PackageManager$UnofficialInstallTask.doInBackground(PackageManager.java:779)
at weka.gui.PackageManager$UnofficialInstallTask.doInBackground(PackageManager.java:723)
at javax.swing.SwingWorker$1.call(SwingWorker.java:295)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at javax.swing.SwingWorker.run(SwingWorker.java:334)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)