Troubleshooting

Click on one of the links for more information:

• Weka download problems
• OutOfMemoryException
• StackOverflowError
• just-in-time (JIT) compiler
• CSV file conversion
• ARFF file doesn't load
• Error message: nominal value not declared in header, read Token[X], line Y
• Spaces in labels of ARFF files
• Single quotes in labels of ARFF files
• CLASSPATH problems
• Instance ID
• Visualization
• Memory consumption and Garbage collector
• GUIChooser starts but not Experimenter or Explorer
• KnowledgeFlow toolbars are empty
• OSX Mountain Lion - Weka x-y-z is damaged and can't be installed. You should eject the disk image
• Ubuntu 18.04: WARNING: Failed to load implementation from: com.github.fommil.netlib.NativeSystemBLAS

See also the Frequently Asked Questions.