@Shishir Saxena Table does not exist in oracle database . Make sure the case sensitivity too in case table exists ... View more

@Kunal Gaikwad I know there is no kerberos. Don't refresh the page Hit next and accept...you will come out install wizard then you can run zk check ... View more

@Kunal Gaikwad I have experienced this several times. Hit next Move forward Then you can run zk service check later once you are on dashboard @Artem Ervits It's new install...no Kerberos in the pic ... View more

Its in the 2nd link that I shared The WAL is the lifeline that is needed when disaster strikes. Similar to a BIN log in MySQL it records all changes to the data. This is important in case something happens to the primary storage. So if the server crashes it can effectively replay that log to get everything up to where the server should have been just before the crash. It also means that if writing the record to the WAL fails the whole operation must be considered a failure. ... View more

really good explanation @Rushikesh Deshmukh http://www.larsgeorge.com/2010/01/hbase-architecture-101-write-ahead-log.html ... View more

@Artem Ervits It's related to wrong version of mysql connector. FYI ... View more

@Revlin Abbi Accepting this as best answer ... View more

@Shishir Saxena Never hurt to look into alternate solutions @Artem Ervits I know it's NiFi question but there is context to Oozie and kerberos use too. ... View more