Services failing to start during Kerberos setup from Ambari
I am setting up Kerberos on HDP-2.2.2.4 using Ambari-2.0 I am facing the issue while Ambari starting the services during start and test step. Namnode failing to start with below error…. FATAL...
View ArticleArchitecture consideration
Hi, I’m about to install a Cluster multinode with four nodes on Windows Server 2012. The version of HDP will be the 2.2.4.2 and I do have the following questions: – Is the 2.2.4.2 the up to date...
View ArticleHow to change host name on Sandbox 2.2?
I just deployed Sandbox 2.2. Its default host name is ‘sandbox.hortonworks.com’. What changes I need to change this default host name to my own host name like, “hdp_test.abc.com”?
View ArticleReply To: Cannot submit cluster entity to falcon server
Having a same problem. Here’s my cluster.xml. <?xml version="1.0"?> <!-- Nova Cluster specification --> <cluster colo="lognet" name="nova" description="nova"> <interfaces>...
View ArticleHBASE Master – Not starting due to Connection Refused Error
Installed Ambari 2.0 and HDP 2.2.4.2. Except HBASE all other components are starting fine. HBASE master is not starting and receiving the following alert error. This alert is triggered if the HBase...
View ArticleReply To: saveAsTextFile() to save output of Spark program to HDFS
This is related to HDFS and it’s DataNode. Please refer to this wiki for more information: http://wiki.apache.org/hadoop/CouldOnlyBeReplicatedTo
View ArticleReply To: Looking for certification practice exam link
Hi Kishore, Even I have the same question. Did you get the link or any place where we can take the practice test.
View ArticleReply To: Grant permissions not working
yes, hiveserver-2site.xml is there. It’s the second snippet of my initial post. Here it come’s again: <property> <name>hive.security.authorization.enabled</name>...
View ArticleAmbari 2.0 and HDP 2.2.4.2 – "Version Out of Sync" on some hosts
Hi All, I tried to upgrade my cluster from 2.2.0.0 to 2.2.4.2, but found that some hosts are stuck with version out of sync issue (Host -> Version). “ambari-server set-current...
View ArticleFalcon installation failed
Hi, I have installed hadoop2.7 and trying install falcon by referring below link. http://falcon.apache.org/InstallationSteps.html I am getting below error while installing. Could anyone please help me...
View ArticleReply To: Looking for certification practice exam link
Here you go: http://hortonworks.com/wp-content/uploads/2015/02/HDPCD-PracticeExamGuide1.pdf. Good luck with your certificaion. When are you planning to take?
View ArticleClik here to view.
Reply To: Looking for certification practice exam link
Thanks Yadukishore! I guess the link you provided is for practice of:- HDP Certified Developer (HDCDP): for Hadoop developers using frameworks like Pig, Hive, Sqoop and Flume. However, I am looking...
View Articleinformation about certification
Has any one taken certification for Hadoop Developer? Just wondering if certification site will have an access to Web user interface ( hue) way in which sand box has? b) also will we be able to...
View Articlesqoop as400 communication
i am not able to export data from sqoop to as400 server. though i am able to import the data successfully. i am using following command: – sqoop export –driver com.ibm.as400.access.AS400JDBCDriver...
View Articleare compatible together hortonworks and impala ?
Hello, i make install spark and jobserver in multi node mode, work fine, now i look impala, it is working for hortonworks ? because hive use map reduce and workflow execution, it take long time for...
View ArticleLatest HDP 2.2.4 Sandbox is giving error
I downloaded the latest HDP 2.2.4 Sandbox imported the same in Virtual Box and increased the RAM to 5GB and started the machine. On starting it self it said WARNING against Zookeeper and when i tried...
View ArticleReply To: are compatible together hortonworks and impala ?
Hello, I don’t believe you can use Impala on Hortonworks, but I could be wrong. I have never seen it. And neither Hortonworks, nor Cloudera would support it. Something you have not mentioned is using...
View ArticleAmbari finalization failed because of "upgraded" state
Hi, Having tested my 3-nodes dev cluster, I would like to finalize the ambari migration like stated in the documentation. So I’ve executed ambari-server set-current --cluster-name=GANESH_DEV...
View ArticleReply To: are compatible together hortonworks and impala ?
thanks Alex for your answer, you confirm my doubt. KR JP
View Article