运行storm nimbus时出现下面的错误，运行storm jar storm-starter-0.0.1-SNAPSHOT-jar-with-dependencies.jar storm.starter.topology时也出现下面的错误，求大神帮帮忙
fang@fang-OptiPlex-3010:/usr/local/storm-0.8.1/bin$ storm nimbus
Traceback (most recent call last):
File "/usr/local/storm-0.8.1/bin/storm", line 402, in
main()
File "/usr/local/storm-0.8.1/bin/storm", line 399, in main
(COMMANDS.get(COMMAND, "help"))(*ARGS)
File "/usr/local/storm-0.8.1/bin/storm", line 243, in nimbus
jvmopts = parse_args(confvalue("nimbus.childopts", cppaths)) + [
File "/usr/local/storm-0.8.1/bin/storm", line 58, in confvalue
p = sub.Popen(command, stdout=sub.PIPE)
File "/usr/lib/python2.7/subprocess.py", line 711, in init
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1308, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
