Hey Jayaseelan,
Check that the datanodes are actually in contact with the namenode.
$ hadoop dfsadmin -report
On 2011/12/22 15:28, Jayaseelan E wrote:
Hi
When we tried to run the hadoop flows we got the following exception
for all the tasks and it is failed.error is little bit confusing.I
have two data nodes,but both are healthy and nodes are
Up and running.
com.ericsson.cim.base.core.exception.CimProcessingException: Could not
sink. Got an IOException with message:
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File
/data/processing/events/usage/Processed_at_20111215100837/_temporary/_attempt_201112150454_0036_m_000000_0/ServiceUsageChargedAccBalCS4_20111001-m-00000
could only be replicated to 0 nodes, instead of 1
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1282)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:469)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:512)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:968)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:964)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:962)
Thanks indeed
jayaseelan
