yes [hadoop@vc138 ~]$ ping vc141 PING vc141 (172.16.10.141) 56(84) bytes of data. 64 bytes from vc141 (172.16.10.141): icmp_seq=1 ttl=64 time=0.118 ms
On Wed, Jun 25, 2014 at 4:49 PM, Ted Yu <[email protected]> wrote: > Can you ping vc141 from this machine ? > > Cheers > > On Jun 25, 2014, at 1:29 AM, Li Li <[email protected]> wrote: > >> I have a map reduce job using hbase table as input. when the job >> starts, it says: >> >> ERROR main org.apache.hadoop.hbase.mapreduce.TableInputFormatBase >> Cannot resolve the host name for vc141/172.16.10.141 because of >> javax.naming.CommunicationException: DNS error [Root exception is >> java.net.PortUnreachableException: ICMP Port Unreachable]; remaining >> name '141.10.16.172.in-addr.arpa' >> >> the /etc/hosts file: >> 172.16.10.137 vc137 >> 172.16.10.138 vc138 >> 172.16.10.139 vc139 >> 172.16.10.140 vc140 >> 172.16.10.141 vc141 >> 172.16.10.142 vc142 >> 172.16.10.143 vc143 >> 172.16.10.144 vc144 >> 172.16.10.145 vc145 >> 172.16.10.146 vc146 >> 172.16.10.147 vc147 >> 172.16.10.148 vc148 >> 172.16.10.149 vc149
