The analyze traffic patterns with NiFi tutorial creates files with content type html/xml. When I click on the EvaluateXPath processor and select Data Provenance. Then click on info icon of a provenance entry. Then click on the Content tab and click the View button. The content type is text/html and the view pane says "No viewer registered for this content type." How can I register a viewer for html/xml or specify a different content type such as text/xml or application/xml? ... View more

What is the intended use of Atlas tag attributes? You have to apply a value to an attribute when you attach a tag to an entity. What is a real world example of how attributes would be used. ... View more

On the Hortonworks blog http://hortonworks.com/blog/the-next-generation-of-hadoop-based-security-data-governance/ One of the features of Atlas/Ranger is to Prohibit the combination of datasets. The blog says: "4. Prohibition against dataset combinations: With Atlas/ Ranger integration, it is now possible to define a security policy that restricts combining two data sets. For example, if one column consists of customer’s account numbers and the other customer names. These column may be in compliance individually, but pose a violation if combined as part of a query. Administrators can now apply a metadata tag to both data sets to prevent them from being combined, helping avoid privacy violation." What options in Atlas/Ranger should I use to prevent the combination of data sets? ... View more

I am working not the Tag Based Polices tutorial (http://hortonworks.com/hadoop-tutorial/tag-based-policies-atlas-ranger/). I created the "policy to access employee data". Then I started Hive view as maria_dev. When I tried the query I got the permission denied error message as expected. However, when I open the ranger audit page and go to the access tab, I don't see the permission error logged. Here is a screen shot of my hive audit settings: ... View more

Where can I find the application logs for the dockerized HDP 2.5 sandbox? I tried going to 127.0.0.1:8888 and using the ssh client, but the suggested password does not work. ... View more