Reply To: Hyper V – connectivity issues detected, check connection of...
A little further digging found a better way. This post shows how to edit the udev config file to fix the issue permanently. I had to brush up on the vi editor, it’s not a tool I use often....
View ArticleInstalling HDP 2.2 on CentOs 6.6: Registering with the server failed.
I’ve hit the wall. Installing has been a slow process, but I’ve hit the wall and I’m stuck. I installed the Ambari agents manually and all indications show that it was successful and I’ve confirmed...
View ArticleReply To: Internal Null Pointer Exception during Kerberos Setup
Looks like something similar was reported in the Jira below. https://issues.apache.org/jira/browse/AMBARI-12731
View ArticleReply To: Only one data node in a two hosts cluster
Hi all. I just want to confirm, my issue has been fixed. I simply need to add the ip of the datanode not working in the /etc/host file of the namenode server. Now both datanodes are on.
View ArticleReply To: upgrade CentOS 6.5 to 7 while retaining HDP cluster
Umm, sorry if it came out wrong – I want to see the instructions for ‘post upgrade’ of OS from 6.7 to 7 that I can do myself. My focus is on retaining the information available in the cluster and not...
View ArticleReply To: Problem installing HDP2.2
I am finding the same issue. Any solution to this ?
View Articleoozie hive Action
I have a hive query that has like 6-7 joins inside it. I decided to use hive.exec.parallel(For Parallel Mapreduce) to speed up the process. The query when executed from hive CLI takes about 6 minutes...
View Articlehow to upgrade a single jar in HDP2.x
Hi All I find that HDP2.x (2.1,2.2.,2.3 ) use a commons-compress-1.4.1.jar ,which has some error with my program of mapreduce2. The error is like this: Caused by: java.io.IOException: at...
View ArticleCan't find revert "Move NameNode Wizard" in user guide
Hi, I decided to use the Move Master Wizard while in maintenance mode, and halfway through the wizard realized I had made a mistake. I want to cancel the wizard and revert everything back to the way...
View ArticleHue don't start – configobj parse error
Hi all. I have installed a two hosts cluster, and everything seems to be ok, but I don’t succed in activate Hue. I have followed all the instructions, but when I try to start the service with...
View ArticleReply To: MapReduce in Sandbox
There are multiple samples available one can see running to see the list of samples run: Command: yarn jar /usr/hdp/<ver>/hadoop-mapreduce/hadoop-mapreduce-examples-<ver>.jar O/p: Valid...
View ArticleRack Awarness configuration Issue
As soon as start the the HDFS service from Ambari 2.1, the rack topolpgy script /etc/hadoop/conf/rack-topology.sh gets override by topology_script.py. I have followed the instruction as mentioned. Any...
View ArticleReply To: Rack Awarness configuration Issue
You might be hitting this issue in Ambari 2.1.0 (looks like will be fixed in 2.1.1) https://issues.apache.org/jira/browse/AMBARI-12662
View ArticleReply To: HDP 2.4.0 datanode startup fail: FATAL – Exception in secureMain
Hi Dave I am facing the same issue and I can’t figure out why it’s not starting. Hoping you can give me a hand. the core and site xml are populated rpm -qa | grep hadoop...
View ArticleReply To: Ambari uses Vagrant shared folder as base dir
Did you ever find a solution to this? The configuration advisor doesn’t select /vagrant if I mount the NFS share read only but that doesn’t work for me since I need to write to the share during...
View ArticleReply To: Smoke test fails – HDP 2.2.6.0 and Windows
Hi Matjaz, Which smoke test fails? You can use a file uploader like -textuploader for log files and attach the link here. Thanks Dave
View ArticleReply To: Sandbox_HDP_2.3_virtualbox Error
Check the resources on the host machine (enough RAM and disk space to do the import) I’ve set up multiple computer labs with the sandbox machine and I always get this error when there isn’t enough...
View ArticleReply To: IP address not updated upon booting of HDP Sandbox
Can you login to the CentOS box and make sure the nic is active? If ifconfig doesn’t give you the correct address you can manually set it?
View ArticleHortonworks Tutorial Series "How to Refine and Visualize Server Log...
In the “How to Refine and Visualize Server Log Data” tutorial, I run into issues in Step 4. After I run python generate_logs.py, I am supposed to enter the following command in order to create an...
View ArticleReply To: HDP 2.3 on Ubuntu??
Ok So when you are planning to release HDP 2.3.1 or Ambari 2.1.1. Can you give me the date please.
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