@Luis Antonio Torres Thanks for sharing the details while posting your question. I don't see it that often. I am going to share this from this link After much searching and talking to many people I have determined that this issue is being caused by the port being blocked. I am still not 100% certain why this error in particular occurred. If I try with an invalid username or password it will successfully tell me that they are invalid. It is just when it comes to making the actual query that the port is restricted. Most likely different ports are used. I believe next step is to get tcp dump when you see that error to check further. I have seen this behavior during high network traffic. ... View more

@Gagan Dutt Are you able to login to vm? HW11326:Desktop nsabharwal$ ssh -p 2222 root@127.0.0.1 root@127.0.0.1's password: Last login: Mon Jan 18 01:41:09 2016 from 10.0.2.2 [root@sandbox ~]# ... View more

@vijaya inturi Delete you can try this curl --user admin:admin -i -H "X-Requested-By: ambari" -X DELETE http://`hostname -f`:8080/api/v1/clusters/cl1/services/ACCUMULO 1 - admin:admin --> use your cluster username and password 2 - cl1 needs to be replace by your cluster name 3 - make sure ACCUMULO service name is correct ... View more

@Guilherme Braccialli check out this http://blog.sparkiq-labs.com/2015/11/16/interactive-data-science-with-r-in-apache-zeppelin-notebook/ ... View more

@orozco hsu Is there anything else running in the system? Check Yarn RM UI ... View more

@Gerd Koenig Please see this...Not sure whats causing the inconsistencies in your env. You may want to restart the services [root@phdns01 ~]# ps -ef | grep hadoop.root.logger root 8571 26699 0 13:24 pts/2 00:00:00 grep hadoop.root.logger Dhadoop.root.logger=INFO,RFA ... View more

Is it set to debug in your case? ... View more