Reply To: Basic security question
Thank you very much for this clear andcomplete explanation. I’ll check wich solution is best for my cluster. Bests, Orlando
View ArticlePig view fails HDFS check in Kerberos environment
I’m using the HDP Sandbox 2.3.2 and I’m trying to set up Ambari to work with Kerberos. I’m following this guide:...
View ArticleUnable to get groups for user (invalid) while running application
Hi There, We are getting below warning continuously while running the application. It looking for the group of an invalid user.Is it going to slow down the jobs or can this be ignored....
View ArticleReply To: Unable to get groups for user (invalid) while running application
<span style=”font-family: ‘Helvetica Neue’, Helvetica, Arial, ‘Open Sans’, ‘Lucida Grande’, sans-serif; font-size: 14.4px; line-height: 21.6px; background-color: #fbfbfb;”>might be user &...
View ArticleProblem in case of creation of the table manually
Hello! Help me, please! I use the hCatalog 1.2.1 version,Hadoop 2.7.1, of Sandbox 2.3.2. I try to make the table manually to store in it Glassfish application server log. I fill necessary fields...
View ArticleReply To: error running hive query "S020 Data storage error"
Also seeing this issue. Hortonworks please respond, there are several threads about this.
View ArticleReply To: Ambari Dashboard not showing up
Me too, <p style=”box-sizing: border-box; font-family: ‘Helvetica Neue’, Helvetica, Arial, ‘Open Sans’, ‘Lucida Grande’, sans-serif; font-size: 14.4px; line-height: 21.6px;”> am using HDP 2.3.2...
View ArticleReply To: Ambari Dashboard not showing up
Me too, I am using HDP 2.3.2 on Oracle VirtualBox. After starting the instance I am able to see the Hortonworks Sandbox -> Get Started page On clicking the ambari link from the Welcome page,...
View ArticleReply To: Error starting namenode from Ambari.
I think we are missing some basic setting. May be the ownership of the account that Ambari creates to deploy various components. Not sure though..
View ArticleReply To: HDFS Transparent Data Encryption
<span style=”font-family: ‘Helvetica Neue’, Helvetica, Arial, ‘Open Sans’, ‘Lucida Grande’, sans-serif; font-size: 14.4px; line-height: 21.6px; background-color: #fbfbfb;”>The instructions doc...
View ArticleReply To: HDFS Transparent Data Encryption
The instructions doc is missing this very important step. Default value of hadoop.kms.acl.DECRYPT_EEK is * in sandbox’s file /usr/kms-demo/hadoop/etc/hadoop/kms-acls.xml. So if we don’t change this...
View ArticleReply To: Error starting namenode from Ambari.
You are right, chown -R hdfs:hadoop /opt/hadoop/hdfs/namenode chown -R hdfs:hadoop /tmp/hadoop/hdfs/namenode chown -R hdfs:hadoop /var/hadoop/hdfs/namenode should fix the issue.
View ArticleReply To: Adding a new service
Hi, did you go any further? I’m looking at http://mozartanalytics.com/how-to-create-a-software-stack-for-ambari/ to create a wrapper for those “execute it later manually” virgilio
View ArticleSqoop Teradata Queryband
How does one set the queryband options for a Sqoop session with Teradata? This sqoop eval session runs be doesn’t add any queryband information in the Teradata query log table. sqoop eval -Dqueryband...
View ArticleReply To: Ambari Dashboard not showing up
Ok got thru this, perhaps a port conflict, my bad. Now on to next issue, cannot access HDFS files in dahsboard. 500 Connection refused? Some other access thru dashboard seems available. But cannot do...
View ArticleReply To: Sqoop Teradata Queryband
Figured this one out. This is not clear in the documentation at all. Here is the appropriate option syntax: sqoop import -D teradata.db.input.query.band=”user=someUser;” For the option value, make...
View ArticleCannot access HDFS Files
Any help please. When doing sandbox tutorial I receive, 500 Connection refused, when I try to access HDFS Files menu thru ambari, In viewing services noticed the namenode is stopped and when I try to...
View ArticleReply To: Error starting namenode from Ambari.
Me too, I have the same, cannot run menu item HDFS files thru ambari “Connection refused”, or start namenode service, same as above. Tried to reset permissions to no avail
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