@WeiHsiang Tseng, Firstly, try with 8090, not 9080. When you say close, what you are referring to? Have you logout from the shell or power off the image from VirtualBox. In the latter case, if your Sandbox is not up and running, you will not be able to access 8090 port ... View more

Updated sandbox. everything is working now, thanks ... View more

Thank you so much @Constantin Stanca, I followed the other link and installed R, rhdfs, rmr2 and rhive. It was a great help. ... View more

@Mushtaq Rizvi I hope what ever you're doing above is just replacing with "None" which is a string which consumes memory. Let's I've a scenario. I wanted to replace the blank spaces like below with null values. Can you suggest something on how to do this. Because the whitespaces consume memory where as null values doesn't. |Extension| |gif | | | |gif | | | |html | I wanted it like this. |Extension| |gif | |null| |gif | |null| |html | ... View more

@Luis Figueroa: Thank you for your suggestion however it doesn't work for me: I am using HDP 2.5, and I need to transfer a file from my local windows host to sandbox, here is my command: scp -P 2122 /RXIE/..../test.csv root@localhost:root I received the following error message: ssh: connection to host localhost port 2122: Connection refused Thank you. ... View more

Thanks a lot @Bernhard Walter , that works like a charm ... View more

Thank you so much @Andy LoPresto, it worked. It was capturing nothing earlier, perhaps because of other 3 digit numbers. The log format is consistent throughout the file, so yeah, the workflow flowed like a water 🙂 ... View more

@Greg, i am trying to execute mysql queries, got error prefix not found. when i verified in mysql note there i observer mysql is there instead of %mysql. But unable to add % before mysql, its not editable. can u please help me how can i edit. ... View more

Thanks alot @Andrew Ryan, I moved all the files from the topologies folder, and then restarted Knox, it created default, admin and knoxsso xml files. Tested default and it worked fine. Then I moved back the old knox_sample.xml to the folder and restarted Knox, it worked. Still wondering what could be the issue ... View more

It worked, thanks a lot @jhorsch. I was missing some mandatory fields in json payload, that should be the reason for the error. ... View more