启动spark报错java.net.UnknownHostException: unknown error解决方案
启动spark时,报错如下(主机名也为spark):[root@sparkbin]#./pysparkPython2.6.6(r266:84292,Feb222013,00:00:18)[GCC4.4.720120313(RedHat4.4.7-3)]onlinux2Type"help","copyright","credits"or"license"formoreinformation./roo