@Chiranjeevi Nimmala Good to hear that your issue is resolved. It will be also wonderful if you can mark this thread as "Answered" (Accepted) so that it will be useful for other HCC users to quickly browse the correct answer for their issues. ... View more

Hi everyone! I installed the ambari server and ambari-agent to my laptop (SuSE Tumbleweed 2019) to set up a local single-node Hadoop cluster. (Server and agent versions 2.1.2.1-418) Server starts without issues, and I can open the console at http://localhost:8080 Agent says it started, but it can't connect the server, here's what the log says : ERROR 2019-07-15 11:06:06,862 NetUtil.py:77 - [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:727)ERROR 2019-07-15 11:06:06,862 NetUtil.py:78 - SSLError: Failed to connect. Please check openssl library versions.Refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1022468 for more details. I have python (2.7.16-2.1) installed. Also python3 is installed, but the executable defaults to version 2.7 : ls -l /usr/bin/python lrwxrwxrwx 1 root root 9 Jun 24 22:12 /usr/bin/python -> python2.7 I would implement this "verify=disable" solution mentioned above, but there is no file named cert-verification.cfg in my system. There is no python dir under etc at all ! So I think maybe python under SuSE might have a different configuration than other distributions. I google'd a lot, but couldn't find a solution for this yet. Can someone guide me thru this issue please ? ... View more

@Jay SenSharma Thanks for getting back on this, the details of Ambari Agent as below ]$ ambari-agent --version 2.2.1.0 ]$ rpm -qa|grep ambari-agent ambari-agent-2.2.1.0-161.x86_64 Its does seem like , the issue indicated in the Jira is relevant to the issue that occurred. As of now this issue has occurred only once but it does seem like migrating would be a good option to avoid this issue in future. Also, i had indicated that Namenode CPU WIO was N/A, after a few hours i am able to see the metric on the Dashboard. ... View more

@Jay SenSharma The hadoop-common jar is present in "WEB-INF/lib" . Still I am getting this error ... View more

This worked. Thanks ! ... View more

I fixed it last week, i was using redhat 7.3 and was missing the libtripc-devel package. Below is what i did wget http://mirror.5ninesolutions.com/centos/7.3.1611/updates/x86_64/Packages/libtirpc-devel-0.2.4-0.8.el7_3.i686.rpm yum install libtirpc-devel-0.2.4-0.8.el7_3.i686.rpm after that i had to reset ambari ambari-server reset and start it back. once started successfully i started over setting up from the 1st step. ... View more

@Jay SenSharma I can see in the ambari ui that Node 4 in my cluster is giving the STALE alert. I verified the URL registered hosts and Hosts entry on all the nodes it seems perfect. ... View more

Check users info in mysql.user. mysql> select User,Password,Host from mysql.user; Normally, create user DDL pattern is like this below. CREATE USER 'peter'@'localhost' IDENTFIED BY 'password'; GRANT ALL PRIGILEGES ON *.* TO 'peter'@'localhost'; CREATE USER 'peter'@'fqdn' IDENTFIED BY 'password'; GRANT ALL PRIGILEGES ON *.* TO 'peter'@'fqdn'; CREATE USER 'peter'@'%' IDENTFIED BY 'password'; GRANT ALL PRIGILEGES ON *.* TO 'peter'@'%'; FLUSH PRIVILEGES; ... View more

@Rachel Rui Liu Good to know that you are able to run the mpack upgrade file now, Without any issue. If you are not facing any issue now then can you please mark this thread as answered by clicking on the "Accept" link. ... View more

this label is sensitive and correct ... View more