Reply To: Storm cannot connect to HDFS in HA mode
Hi Max/Tom – apologies for the late reply, however as long as the cluster hdfs-site.xml and core-site.xml is included in the topology during build, the nameservice ID can be used in the HDFSBolt...
View ArticleReply To: Ambari UI stuck at "Loading…"
Thanks Mitali … that did it ….very confusing since other machine browsers were hanging as well … Thanks again!!
View Articleflume multiple receivers
I have a functioning flume / spark streaming app when running with only 1 receiver, but if i add more receivers, the app hangs. The streaming UI shows that records are received, but the batches...
View ArticleYARN – Jobs not running under assigned queues
Hello, implemented capacity scheduler in my hadoop env (3 node clsuster) with below listed queues. Also assigned certain users to queues, but when I am running job as one of the user assigned to a...
View ArticleReply To: Pig using HCatalog issue with AWS based HDPCD Practice Exam
getting the error 1070:org.apache.hcatalog.pig.HCatStorer could not resolve while trying to load data from a file to hive table using pig -useHCatalog. Anyone has any solution?
View ArticleStep by step guide for SequenceIQ Hadoop auto-scaling setup
Can anyone please pass me the pointers on Step by step guide for SequenceIQ/Cloudbreak Hadoop auto-scaling setup
View ArticleSee templeton.exec.timeout property","exitcode":143}} (error 500)
Tried creating table from file. Its giving below error. Using hadoop Sandbox 2.1 checked on other similar posts, but none was helpful HCatClient error on create table: {“statement”:”use default;...
View Articlehive on tez error
iam using hive 1.0.0 and tez 0.5.2.. whenever iam trying to start tez getting following error: Exception in thread “main” java.lang.RuntimeException: java.io.IOException: Previous writer likely failed...
View ArticleNagios / Ganglia not working correct after upgrade from 2.1.x to 2.2.x
Hi Folks, after we upgraded our 11 node cluster from hdp-2.1.x to 2.2.x we don’t get any values for ‘memory usage’, ‘network usage’, ‘cpu usage’ and ‘cluster load’ on the dashboard anymore. I searched...
View ArticleSetting LDAPGroupMapping Problem
Hi I have some problems while using LDAPGroupMapping. I can’t retrieve the group mappings. And I have added the Hadoop services and group into my LDAP server. Here is my ldif file....
View ArticleReply To: failed to start hiveserver2
Forgot to mention that i am using centos 6.6, ambari 1.7 and last version of hue
View ArticleHow to achive a spark “driver” type application master for my yarn application
I am new to yarn, and i am developing a long running yarn application which when submitted should launch a “driver” and a “application master (AM from now on)”. Much like the way spark does it. Job of...
View ArticleSetting the group of a MR job
Imagine I am running a MapReduce job. The output in HDFS created is owned by that user – and is also in the user’s main group. However if I want to to be in one of the other groups the user is in I...
View ArticleDelite Service
Hi, I want to reset a service but I can not. I try to delete it and then reinstall it but i don’t know how. The delete button is not selectable. Why? Can anyone help me please?
View ArticleStuck in "Upgrade: In Process"
I started an upgrade from 2.2.0.0 to 2.2.4.2. I ran into some problems with a missing Yarn configuration which prevented Yarn from starting and thus the upgrade would not complete. So I successfully...
View ArticleReply To: Release date of HDP 2.3?
I’m pretty excited to grab HDP 2.3 once it’s available!
View ArticleReply To: Stuck in "Upgrade: In Process"
I believe I have a fix for this issue. If you look in the postgres table for the ambari server ambari.current_version (select * from ambari.current_version), I can see that one of the rows shows...
View ArticleBeeswax/hive query error
By trying to create a table in Beeswax I´m getting the following error: Error occurred executing hive query: Error while compiling statement: FAILED: HiveAccessControlException Permission denied: user...
View ArticleReply To: Stuck in "Upgrade: In Process"
I’m only answering my own question so that others may get some value from my experiences. 😉 I discovered that the ambari server postgres table ambari.host_version was showing a state of “UPGRADING”...
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