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Need help installing HDP 2.6

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Need help installing HDP 2.6

Explorer

Dear community,


I have very hard time installing HDP 2.6.4 on Centos 7.4. Would appreciate help.

I followed carefully the instructions at https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.1.0/bk_ambari-installation/content/ch_Getting_R...

Before starting the wizard:

I installed & started MySql (using the instructions here: https://linode.com/docs/databases/mysql/how-to-install-mysql-on-centos-7/).

Installed (=extracted) mysql-connector-java-5.1.45.tar.gz to /usr/lib/

run: ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/lib/mysql-connector-java-5.1.45/mysql-connector-java-5.1.45-bin.jar

After starting the server, I followed the the wizard. At the "Install-start-test, "Hive Metastore Start" failes. The error it fails on is: http://hdptst5:8080/resources//mysql-connector-java.jar due to HTTP error: HTTP Error 404: Not Found

(Attached is the entire log)


Any help would be appreciated.

--yuval

1 ACCEPTED SOLUTION

Accepted Solutions
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Re: Need help installing HDP 2.6

Explorer

in addition to installing mysql-connector-java-5.1.45-bin, I added a link to it:

ln -s /usr/lib/mysql-connector-java-5.1.45/mysql-connector-java-5.1.45-bin.jar /usr/share/java/mysql-connector-java.jar

I already disable/stop firewalld as in the document. In addition, I stopped iptables (using: iptables -F). This is not in the doc. not sure if this helped or not.

I now have working environment. Thank you @Jay Kumar SenSharma & @Shyam Sunder Rai for your valuable comments.

View solution in original post

5 REPLIES 5
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Re: Need help installing HDP 2.6

Explorer
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Re: Need help installing HDP 2.6

Guru

@Yuval Smp Try disabling firewall and iptables, once you are through then rerun ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/lib/mysql-connector-java-5.1.45/mysql-connector-java-5.1.45-bin.jar. Track the ambari-server log to ensure that there are no error. Try again.

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Re: Need help installing HDP 2.6

Explorer

Thanks @Shyam Sunder Rai.

Before starting the install, I followed the instructions and:

  1. systemctl disable firewalld
  2. service firewalld stop
  3. setenforce 0

In addition I uninstalled PackageKit.

Anything else that I had to do ?

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Re: Need help installing HDP 2.6

Super Mentor

@Yuval Smp

Have you already done the following steps?

# yum install mysql-connection-java -y

(OR) if you are downloading the mysql-connector-java JAR from some tar.gz archive then please make sure to check the following locations and create the symlinks something like following to point to your jar.

.

Then you should find some symlink as following:

Example:

# ls -l  /usr/share/java/mysql-connector-java.jar
lrwxrwxrwx 1 root root 31 Apr 19  2017 /usr/share/java/mysql-connector-java.jar -> mysql-connector-java-5.1.17.jar

https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.1.0/bk_ambari-administration/content/using_hive...

So now ambari knows how to find this jar. The JAR can be found here after

# ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/share/java/mysql-connector-java.jar

# ls -l /var/lib/ambari-server/resources/mysql-connector-java.jar 
-rw-r--r-- 1 root root 819803 Sep 28 19:52 /var/lib/ambari-server/resources/mysql-connector-java.jar

.

Ambari Agents tries to download the mysql connector jar from ambari server using URL:

http://hdptst5:8080/resources/mysql-connector-java.jar

.

So you will need to make sure that the following path exist. Means there should be a symlink as following which points to the path of your downloaded JAR. "

# ls -l /var/lib/ambari-server/resources/my*
-rw-r--r-- 1 root root 819803 Sep 28 19:52 /var/lib/ambari-server/resources/mysql-connector-java.jar
lrwxrwxrwx 1 root root     57 May 26  2017 /var/lib/ambari-server/resources/mysql-jdbc-driver.jar -> /usr/lib/mysql-connector-java-5.1.45/mysql-connector-java-5.1.45-bin.jar

.

 /var/lib/ambari-server/resources/mysql-jdbc-driver.jar -> /usr/lib/mysql-connector-java-5.1.45/mysql-connector-java-5.1.45-bin.jar
Highlighted

Re: Need help installing HDP 2.6

Explorer

in addition to installing mysql-connector-java-5.1.45-bin, I added a link to it:

ln -s /usr/lib/mysql-connector-java-5.1.45/mysql-connector-java-5.1.45-bin.jar /usr/share/java/mysql-connector-java.jar

I already disable/stop firewalld as in the document. In addition, I stopped iptables (using: iptables -F). This is not in the doc. not sure if this helped or not.

I now have working environment. Thank you @Jay Kumar SenSharma & @Shyam Sunder Rai for your valuable comments.

View solution in original post

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