I set the PATH so that hadoop points to hadoop-2.6.0/bin/hadoop, will check further.
2014-12-16 14:52 GMT-06:00 Ted Yu <[email protected]>: > > Where did you run the 'hadoop fs -ls' command ? > > Looks like hadoop version of that hadoop command is older than Hadoop 2.6.0 > > Cheers > > On Tue, Dec 16, 2014 at 12:17 PM, Dan Dong <[email protected]> wrote: >> >> Hi, >> When I run hadoop fs -ls(or other hadoop commands) on my Hadoop 2.6.0, >> I got the following: >> >> ls: Server IPC version 9 cannot communicate with client version 4 >> >> What does this mean? What Server and what client? Did not find any error >> messages in the log files. Thanks. >> >> Cheers, >> Dan >> >
