Hi,

I'm trying to use PrefixSpan with strings, through the graphical interface as well as command line. But I always get the following error:

$ java -jar spmf.jar run "PrefixSpan_with_strings" test_files/contextPrefixSpanStrings.txt 50%
java.io.FileNotFoundException: file:/home/saiph/spam/spmf.jar!/ca/pfv/spmf/tests/contextPrefixSpanStrings.txt (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at ca.pfv.spmf.sequentialpatterns.prefixspan_with_strings_saveToFile.SequenceDatabase.loadFile(SequenceDatabase.java:47)
at ca.pfv.spmf.gui.MainWindow.runAlgorithm(MainWindow.java:964)
at ca.pfv.spmf.gui.MainWindow.commandLine(MainWindow.java:1530)
at ca.pfv.spmf.gui.MainWindow.main(MainWindow.java:168)
Exception in thread "main" java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:207)
at java.awt.Window.<init>(Window.java:535)
at java.awt.Frame.<init>(Frame.java:420)
at java.awt.Frame.<init>(Frame.java:385)
at javax.swing.SwingUtilities$SharedOwnerFrame.<init>(SwingUtilities.java:1756)
at javax.swing.SwingUtilities.getSharedOwnerFrame(SwingUtilities.java:1831)
at javax.swing.JOptionPane.getRootFrame(JOptionPane.java:1697)
at javax.swing.JOptionPane.showOptionDialog(JOptionPane.java:863)
at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:667)
at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:638)
at ca.pfv.spmf.gui.MainWindow.runAlgorithm(MainWindow.java:1501)
at ca.pfv.spmf.gui.MainWindow.commandLine(MainWindow.java:1530)
at ca.pfv.spmf.gui.MainWindow.main(MainWindow.java:168)

What can I do to sort this out?

Thanks.

Hi,

Thanks for this information.

It is a bug. It works fine under Windows. But when I test it with Cygwin, it gives a similar error.

It must be something with how I handle the file paths in the software. I tried to make it platform independent. But since I mostly work under Windows, I had not see that problem.

I will check this out tomorrow and fix it.

Until then, if you try on Windows, it will work fine.

Best,

Philippe



Edited 2 time(s). Last edit at 04/05/2013 03:11PM by webmasterphilfv.

Hi Saiph,

I have fixed the bug.

The problem was that there was an hardcoded path in MainWindow.Java.

You can download the new spmf.jar or spmf.zip from the download page, and it will work!

Best,

Philippe

Thank you