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Re: Unauthorized connection for super-user

by New Contributor in Support Questions
‎08-23-2017 05:12 PM
‎08-23-2017 05:12 PM
Thanks - this problem was driving me nuts ... View more

Re: Adding Hadoop Client to existing nodes

by Guru in Support Questions
‎01-12-2016 06:45 PM
‎01-12-2016 06:45 PM
Thanks Artem. ... View more

Troubleshooting an Oozie Flow

by Guru in Community Articles
‎01-07-2016 06:40 PM
7 Kudos
‎01-07-2016 06:40 PM
7 Kudos
In event there is an error while executing any oozie action during a workflow processing, those root cause errors are wrapped within an Oozie error and some times you have to dig a little deeper to find the root cause of the issue. Once you look in the right place (screen/log) the error gives a direct indication of what the issue is but that error is buried a couple of layers below the Oozie UI. Follow these steps to get more details on Oozie issues - 1) Open Oozie UI 2) Locate the job instance that failed and double click on it 3) Locate the step that failed and double click on it 4) From the Action pop-up, (which also has the cryptic error message in Error Message) click on the small magnifying glass on the right hand side of the Console URL. 5) From the next screen, click on the link that reads "logs" and view the details. (TBD - Add Screen snapshot) ... View more
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Re: Falcon tutorial - rawEmailIngestProcess shell-...

by Master Guru Master Guru in Support Questions
‎01-01-2016 02:09 AM
‎01-01-2016 02:09 AM
Good call Vladimir. mkdir: Permission denied: user=yarn, access=WRITE, inode="/user/ambari-qa/falcon/demo/primary/input/enron/2015-12-30-01":ambari-qa:hdfs:drwxr-xr-x I executed the job from falcon using ambari-qa. Is there any configuration I can change so it uses the user ambari-qa during execution? ... View more

Re: Running R program on HDP

by New Contributor in Community Articles
‎07-14-2016 03:22 PM
‎07-14-2016 03:22 PM
I tried those, but got errors trying to run the example programs. More here: https://community.hortonworks.com/content/kbentry/8452/running-r-program-on-hdp.html ... View more

Re: Ambari 2.1.2 snmptrap

by Guru in Support Questions
‎12-30-2015 05:44 PM
‎12-30-2015 05:44 PM
Currently we don't provide a MIB so users can choose to organize their structure in any way they want. Moving forward in Ambari's future, we may provide an Apache MIB. I believe thats what the ticket, that you referenced, was opened for (along with the patch, README and other inform necessary for the implementation) : https://issues.apache.org/jira/browse/AMBARI-1320.. Today, we use a single OID for all of Alerts, and the body of the trap looks like this: 2015-07-22 13:28:41 0.0.0.0(via UDP: [172.16.204.221]:41891->[172.16.204.221]) TRAP, SNMP v1, community public SNMPv2-SMI::zeroDotZero Cold Start Trap (0) Uptime: 0:00:00.00 SNMPv2-MIB::snmpTrapOID.0 = OID: IF-MIB::linkUp IF-MIB::linkUp = STRING: " [Alert] NameNode Last Checkpoint [Service] HDFS [Component] NAMENODE [Host] revo2.hortonworks.local Last Checkpoint: [0 hours, 43 minutes, 44 transactions] " IF-MIB::linkUp = STRING: " [OK] NameNode Last Checkpoint Hope this helps! ... View more

Re: Sqoop - dynamically import from SQL server

by Rising Star in Support Questions
‎01-04-2016 02:07 PM
‎01-04-2016 02:07 PM
Dear Grace, We can start with this template and improve it : #!/bin/bash kinit ...... hdfs dfs -rm -r hdfs://.... sqoop import --connect "jdbc:sqlserver://....:1433;username=.....;password=….;database=....DB" --table ..... \ -m 1 --where "...... > 0" CR=$? if [ $CR -ne 0 ]; then echo 'Sqoop job failed' exit 1 fi hdfs dfs -cat hdfs://...../* > export_fs_table.txt CR=$? if [ $CR -ne 0 ]; then echo 'hdfs cat failed' exit 1 fi while IFS=',' read -r id tablename nbr flag; do sqoop import --connect "jdbc:sqlserver://......:1433;username=......;password=......;database=.......DB" --table $tablename CR=$? if [ $CR -ne 0 ]; then echo 'sqoop import failed for '$tablename exit 1 fi done < export_fs_table.txt Kind regards ... View more

Re: at which directory ambari installed

by Guru in Support Questions
‎12-31-2015 03:04 AM
‎12-31-2015 03:04 AM
Just to add to that.. if you want to make change, it would be easier for you to follow the code by looking at the source here - https://github.com/apache/ambari/ The ui code is here - https://github.com/apache/ambari/tree/trunk/ambari-web/app You can just fork the project and build it after making changes. ... View more

Re: Could not run Oozie workflow with distcp-actio...

by Guru in Support Questions
‎12-31-2015 02:12 PM
‎12-31-2015 02:12 PM
@Hefei Li Great! Can you accept the answer then so we can close this question and others having similar issue get benefited? ... View more

Re: Problem while Mirroring Dataset between hadoop...

by Rising Star in Support Questions
‎03-09-2017 01:55 PM
‎03-09-2017 01:55 PM
Hi, I am having similar issue with falcon replication not working. The permissions, ownership, oozie wildcard are all as per this page in my environment. But still replication is not going through. Any insights? ... View more
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Member Since ‎09-24-2015 03:23 PM
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