|| at Oct 5, 2012 at 6:07 pm
I'm not sure if it's related to to restarting the hue service though. B/c
every now and then, when using Hue, i get an Exception communication issue.
and looking @ the Hue logs, this what I see. When I restart it, hue
starts working again. Where as hdfs m/r, hive, etc...they all are still
running w no restart needed (where m/r jobs still run w/ no issues).
On Friday, October 5, 2012 1:38:18 PM UTC-4, Romain Rigaux wrote:
Ok, so you get:
WebHdfs at http://<namenode/hueserver>:50070/webhdfs/v1
-- Validation error: ConnectException: Call From <datanode>/<IP address of server/datanode> to 0.0.0.0:8020 failed on connection exception: java.net.ConnectException: Connection refused;"
from time to time and need to restart the Hue service in order to solve
Do you have more Hue and NN logs?
Well yeah, hdfs and m/r are running as well as hive and pig. All the
services are running w/ no issues. it's just hue(beeswax) where
sporadically I'll get that error in the logs.
On Monday, October 1, 2012 7:27:03 PM UTC-4, Romain Rigaux wrote:
No, the other services should be 'hdfs', 'mapreduce'. Hue is just a UI
on top of these services.
Is your cluster up and running?https://ccp.cloudera.com/**display/CDH4DOC/Installing+**
On Mon, Oct 1, 2012 at 10:50 AM, Anson Abraham wrote:
I don't see any errors in the NN logs. The other services FB, Beeswax
and JD does fail too. Through CDM I resart the hue and beeswax service,
which I assume excompasses all of these services as well?
On Monday, October 1, 2012 12:55:41 PM UTC-4, Romain Rigaux wrote:
It seems that the NameNode could not be contacted (the cause is
probably in the NN logs). If it happens, FileBrowser, Beeswax, JobDesigner
should fail too.
Are you restarting the Hue service only or all of them?
On Mon, Oct 1, 2012 at 8:53 AM, Anson Abraham wrote:
I'm getting this error in Hue when I click on Check for misconfiguration.
Current value: http://<namenode/**hueser**ver>:50070/webhdfs/v1
Failed to create temporary file "/tmp/hue_config_validation.**48**93624165474554515"
When I look @ the error log I see this:
WebHdfs at http://<namenode/hueserver>:**50**070/webhdfs/v1
-- Validation error: ConnectException: Call From <datanode>/<IP address of server/datanode> to 0.0.0.0:8020 failed on connection exception: java.net.ConnectException: Connection refused;
I'm on CDH4 and CentOS 6.
Looking @ COnfig through CDM:
dfs.webhdfs.enabled is set to true
The config params:
All have an aterisk [*] ...
When i restart the hue service this misconfiguration message is gone. And Hue users can resume normally what they want to do. Any ideas as to what could be the issue?