WARN  POS Tagger           2:2        Auto guessing: Using column 'Document' as DocumentValue column.
WARN  Abner Tagger         2:3        Auto guessing: Using column 'Document' as DocumentValue column.
WARN  Bag Of Words Creator 2:4        Auto guessing: Using column 'Document' as DocumentValue column.
ERROR Document Grabber     0:1        Failed to swap to disc while freeing memory
ERROR Document Grabber     0:1        Failed to swap to disc while freeing memory
ERROR Document Grabber     0:1        Failed to swap to disc while freeing memory
WARN  POS Tagger           2:8        Auto guessing: Using column 'Document' as DocumentValue column.
WARN  Keygraph Keyword Extractor 2:10       Auto guessing: Using column 'Document' as DocumentValue column.
ERROR Keygraph Keyword Extractor 2:10       Execute failed: GC overhead limit exceeded