@Aditya Goyal Check that your oozie derby database is up and running and also see link ... View more

@Jim Fratzke The -copyFromLocal copies file from sandbox to hdfs not from windows to sandbox. You need to scp the file from windows to sandbox using the scp command in the sandbox. Use Winscp for copying the files from windows to any unix based server like Hortonwork Sandbox. ... View more

@Jim Fratzke Option 1 a) Add your hostname to conf/slaves and retry! Option 2 There are cases when a Data Node may not available to Name Node and the causes could be : a)Data Node is Busy with block scanning and reporting b)Data Node disk is Full c)Check that the dfs.block.size value in hdfs-site.xml is not negative d) check the diskspace in your system and make sure the logs are not warning you about it e)while write in progress primary datanode goes down(Any n/w fluctations b/w Name Node and Data Node Machines) when Ever we append any partial chunk and call sync for subsequent partial chunk appends client should store the previous data in buffer. Option3 Last resort The below procedure will destroy ALL data on HDFS. Do not execute the steps in this answer unless you do not care about destroying existing data!! a)stop all hadoop services b)delete dfs/name and dfs/data directories c)hadoop namenode -format # Answer with a capital Y d)start hadoop services e)cluster's" dfs health page http://your_host:50070/dfshealth.jsp ... View more

@RYAN Gao Try this one out courtesy of Neeraj 1. ssh into the VM and run the following command as the root user:ambari-admin-password-reset 2. You will be prompted to enter the password. Ambari server will restart. 3. Then run command ambari-agent restart 4. You can then go to the http://<hostname/ipaddress>:8888 which displays the splash page and click on the Ambari url. Enter the user "admin" and put the password you set previouly in step 5. You should now be able to log in as an Ambari admin. ... View more

@Vivian Li Dont you think its related to azure-sandbox-login.pdf ... View more

@Prakash Punj Edit your /conf/hbase-site.xml in the Hbase folder config directory or add: <property> <name>hbase.zookeeper.property.dataDir</name> <value>YOUR ZOOKEEPER FOLDER</value> </property> For example: <property> <name>hbase.zookeeper.property.dataDir</name> <value>/home/myname/zookeeper-3.4.6</value> </property> ... View more

network-and-prereq-setup.pdf@Peter Coates Here is a complete list and procedure to execute before installing your cluster ... View more

@Kunal Gaikwad Find attached below a step to step setup walk through ... View more

@rajdip chaudhuri Please go through the 2 attached install step by step methods it will help you resolve your problem Please and let me know if all goes well ... View more