Martinus, Can you, from your client node, do a successful "telnet 172.16.2.145 50010" operation? I'm guessing there's probably a network or network configuration fault at play here, mostly.
On Tue, Jan 31, 2012 at 12:15 PM, Martinus Martinus <martinus...@gmail.com> wrote: > Hi Harsh, > > When I typed in bin/hadoop jar hadoop-examples-1.0.0.jar wordcount input > output, it just keep hanging and didn't stop. and the log is from the DN > when I running the job. > > Thanks. > > > On Tue, Jan 31, 2012 at 1:56 PM, Harsh J <ha...@cloudera.com> wrote: >> >> Did this also lead to a task/job failure, or did you just notice the >> log on the DN after running a job? >> >> On Tue, Jan 31, 2012 at 11:24 AM, Martinus Martinus >> <martinus...@gmail.com> wrote: >> > Hi, >> > >> > I have my hadoop clusters running with 1 master and 6 slaves, and when I >> > run >> > bin/hadoop jar hadoop-examples-1.0.0.jar wordcount input output, I got >> > the >> > following error message from my slave datanode logs : >> > >> > java.net.SocketTimeoutException: 63000 millis timeout while waiting for >> > channel to be ready for connect. ch : >> > java.nio.channels.SocketChannel[connection-pending >> > remote=/172.16.2.145:50010] >> > at >> > >> > org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:213) >> > at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:656) >> > at >> > >> > org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:319) >> > at >> > >> > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:107) >> > at java.lang.Thread.run(Thread.java:662) >> > >> > Would anyone be so kindly to help me on this? >> > >> > Thanks. >> >> >> >> -- >> Harsh J >> Customer Ops. Engineer, Cloudera > > -- Harsh J Customer Ops. Engineer Cloudera | http://tiny.cloudera.com/about
