One question.. Does the ID of a Processor or ProcessFlow change if NiFi is rebooted? ... View more

Which kerberos wizard option did you use MIT, AD, or Manual? ... View more

Excellent @Ali Bajwa ... View more

thanks for suggesting. Created a new thread https://community.hortonworks.com/questions/135805/accessing-hdp-web-ui-from-windows-pc-causes-gsshea-1.html ... View more

Hi Terry, in a secured cluster you have two types of keytabs or principals. Headless and Service principals. Headless principals are not bound to a specific host or node, they have the syntax: <service_name>-<clustername>@EXAMPLE.COM Service princiapsl are bound to a specific service and host or node, they have the syntax: <service-name>/<hostname>@EXAMPLE.COM For Example: Headless: hdfs-mycluster@EXAMPLE.COM Service: nn/c6601.ambari.apache.org@EXAMPLE.COM Here is some more info https://docs.oracle.com/cd/E21455_01/common/tutorials/kerberos_principal.html Make sure you use the right principal when you use kinit, you can see the principals of a keytab with klist -k <keytab file> ... View more

@Jonas Straub Thanks for sharing it. I did read it. I am sure once Zeppelin is part of HDP then customers may raise the same question ... View more

Thanks Jonas! Based on your advise, I'll do "yum erase `yum list | grep -P '\b2.3.0.0-2557\b' | awk '{ print $1 }'`" ... View more

i spent 5 hours to find the proper code for downloading the latest JDK which is 1.8_92 currently. Guys be aware that the oracle website needs you to accept the license and you have to put it in you command line. the following code is working perfectly. enjoy # sudo wget --no-cookie --no-check-certificate --header "Cookie:gpw_e24=http%sA2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u92-b14/jdk-8u92-linux-x64.tar.gz?AuthParam=1465316438_f262c7659515d89274633588ae8f73ca # mkdir /usr/java # mv jdk-8u92-linux-x64.tar.gz /usr.java/jdk-8u92-linux-x64.tar.gz # tar zxvf jdk-8u92-linux-x64.tar.gz # ln -s /usr/java/jdk1.8.0_92 /usr/java/default # export JAVA_HOME=/usr/java/default # export PATH=$JAVA_HOME/bin:$PATH ... View more

Thanks for sharing 🙂 @Jonas Straub ... View more

Add the following variable to the yarn-log4j configuration via Ambari export YARN_ROOT_LOGGER=DEBUG,RFA Be careful, this will fill up the Resourcemanager log with a lot of details 🙂 ... View more