terminal - need a solution to converting a CVS file to an arff file -

i'm newbie..! , need load csv file weka use terminal command

java -cp /usr/share/java/weka.jar weka.core.converters.csvloader newfile.csv > miller.arff

and recive errors ...

picked java_tool_options: -javaagent:/usr/share/java/jayatanaag.jar ---registering weka editors--- trying add database driver (jdbc): rmijdbc.rjdriver - error, not in classpath? trying add database driver (jdbc): jdbc.idbdriver - error, not in classpath? trying add database driver (jdbc): org.gjt.mm.mysql.driver - error, not in classpath? trying add database driver (jdbc): com.mckoi.jdbcdriver - error, not in classpath? trying add database driver (jdbc): org.hsqldb.jdbcdriver - error, not in classpath? java.io.ioexception: wrong number of values. read 8, expected 7, read token[eol], line 40140 @ weka.core.converters.converterutils.errms(converterutils.java:912) @ weka.core.converters.csvloader.getinstance(csvloader.java:824) @ weka.core.converters.csvloader.getdataset(csvloader.java:646) @ weka.core.converters.abstractfileloader.runfileloader(abstractfileloader.java:323) @ weka.core.converters.csvloader.main(csvloader.java:1041)

what problem ??

check line 40140 in newfile.csv. contains 7 values.