Python中flume启动的问题如何解决？

报错信息为

Info: Including Hive libraries found via () for Hive access
+ exec /data/app/java/bin/java -Xmx20m -Dflume.root.logger=INFO,console -cp ‘conf:/data/bigdata/flume/lib/:/lib/’ -Djava.library.path= org.apache.flume.node.Application --conf-file conf/example.conf --name a1
log4j:WARN No appenders could be found for logger (org.apache.flume.node.Application).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

是哪里不对
Python中flume启动的问题如何解决？