@Yuki Iwasaki From your screenshots, its looks like you can get to the docker port on 12122. If you login to that one via SSH, you can follow the steps in the link I shared with you above to start the HDF sandbox VM, and try that. ... View more

Hi @Yuki Iwasaki does SSH work? The HDF Sandbox had a quirk in the past that if the VM was ever shutdown, then it would need to be restarted using the scripts within the Docker host. If this is the case, try suspending/pausing instead of shutting the machine down. See the post here for a detailed walk through in case it resolves your issue: https://community.hortonworks.com/questions/103790/hdf-sandbox-strange-issue.html#answer-103794 ... View more

Hi @YoungJoon Ji There is a good article here explaining NiFi's zero-master clustering: https://hortonworks.com/blog/apache-nifi-1-0-0-zero-master-clustering/ You may want to look at the tutorials online to get familiar with NiFi and the processors: https://hortonworks.com/tutorial/realtime-event-processing-in-hadoop-with-nifi-kafka-and-storm/ ... View more

@Samir Sinha Happy to help. If this solved the problem, perhaps you can Accept the answer above. ... View more

Hi @Samir Sinha If you are using a 2.6 based Sandbox, the Druid service should be there already but needs to be installed. My 2.6 Sandbox is from 05_05_2017 based on Sandbox filename, and it contains the Druid service but not installed by default. In Ambari, on the bottom left, click the Add Service button, choose Druid from the list of services available, and continue through the setup. ... View more

Hi @Sravanthi Bellamkonda You can run the following command to list/locate corrupt blocks: hdfs fsck -list-corruptfileblocks If these blocks are not critical data, then just deleting them might solve your problem: hdfs fsck / -delete There is a good thread here with links to more detail on finding/removing corrupt HDFS blocks here: https://community.hortonworks.com/questions/17917/best-way-of-handling-corrupt-or-missing-blocks.html ... View more

Hi @John Koop I saw the screenshots, screenshot #1 looks good. Once you are there, can you access Ambari on http://127.0.0.1:8080 ? If so, you can start the tutorials, the welcome page on port 8888 is not really mandatory. ... View more

Hi @John Koop On your local laptop, you can use a text editor add an entry to your hosts file (/etc/hosts if you are using a *nix or Mac machine) that looks like the following: 127.0.0.1 sandbox.hortonworks.com sandbox This allows your local laptop/PC to resolve "sandbox.hortonworks.com" in a browser to the IP address for your local host of 127.0.0.1. When you import the appliance to VirtualBox, you can start the VM and as you have already noted, boot into the third option for Linux OS's to start the Hortonworks Sandbox Software. When the software boots, you should see a screen that advises you to go to the start page of http://127.0.0.1:8888 or http://sandbox.hortonworks.com:8888 This start page contains some introduction material, as well as links to other areas like Ambari (http://sandbox.hortonworks.com:8080). You should be able to follow the tutorial once you are booted into the corrected OS (third one), and able to bring the screens in a browser. ... View more

Hi @Prasad T The URL config doesnt look like it is correct: <url>http://http://myhost:18081/</url> ... View more

Hi @Shyam Shaw Are you using the Hortonworks Data Cloud product? I believe that setup if only for the Ambari DB if you are not using the Hortonworks Data Cloud product. The supported databases for HDP (and not HDC) are listed here: https://cwiki.apache.org/confluence/display/Hive/AdminManual+MetastoreAdmin#AdminManualMetastoreAdmin-SupportedBackendDatabasesforMetastore ... View more

Hi @Timo Burmeister You may find this tutorial helpful to follow. https://hortonworks.com/hadoop-tutorial/searching-data-solr/ ... View more