Apache flume twitter agent not streaming data

I run the following command and it got worked

bin/flume-ng agent –conf ./conf/ -f conf/flume.conf -Dflume.root.logger=DEBUG,console -n TwitterAgent

java hadoop twitter cloudera flume

I used this command and it is working

flume-ng agent --conf /etc/flume-ng/conf/ -f /etc/flume-ng/conf/flume.conf - Dflume.root.logger=DEBUG,console -n TwitterAgent

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