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samkrish
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Re: Datanode denied communication with namenode

by Contributor in Support Questions
‎06-20-2018 05:36 AM
‎06-20-2018 05:36 AM
It is a bug in 5.14.0 .. at last  I fixed it. ... View more

Re: The DataNode is not connected to one or more o...

by Contributor in Support Questions
‎06-13-2018 10:37 PM
‎06-13-2018 10:37 PM
Did you able to fix the issue, I am also facing the same. if you are able to fix it, can you pls share the resolution. ... View more

Re: Datanode denied communication with namenode

by Contributor in Support Questions
‎06-13-2018 07:56 AM
‎06-13-2018 07:56 AM
I found following fix for Hadoop but  I am not sure how to fix cloudera hdfs-site.xml - Need to add following line. <property> <name>dfs.namenode.datanode.registration.ip-hostname-check</name> <value>false</value> </property> ... View more

Datanode denied communication with namenode

by Contributor in Support Questions
‎06-13-2018 06:50 AM
‎06-13-2018 06:50 AM
Datanode unable to communicate with NameNode and getting following error message.  I am using cloudera 5.14.0 version and i do not have DNS   NN Static IP : 192.168.0.12 but it is trying other ip address 192.168.0.121   Did anyone face this issue earlier.. I am unable to proceed further.   Thanks in advance.   Error message. 18-06-13 19:02:29,352 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool BP-405258512-192.168.0.12-1528825240439 (Datanode Uuid 2bba9d98-a00c-40f0-9a0c-a479d071ba9f) service to cn3.hadoop.com/192.168.0.14:8022 beginning handshake with NN 2018-06-13 19:02:29,716 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool BP-405258512-192.168.0.12-1528825240439 (Datanode Uuid 2bba9d98-a00c-40f0-9a0c-a479d071ba9f) service to cn3.hadoop.com/192.168.0.14:8022 Datanode denied communication with namenode because hostname cannot be resolved (ip=192.168.0.121, hostname=192.168.0.121): DatanodeRegistration(192.168.0.12, datanodeUuid=2bba9d98-a00c-40f0-9a0c-a479d071ba9f, infoPort=50075, infoSecurePort=0, ipcPort=50020, storageInfo=lv=-56;cid=cluster8;nsid=762896661;c=0) ... View more
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Re: Cloudera scm server unable to start

by Contributor in Support Questions
‎09-24-2017 09:34 AM
‎09-24-2017 09:34 AM
Even I am facing same issue, did you fix the problem? ... View more
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