MySQL error 1449: The user specified as a definer does not exist
I faced this error when exporting the database from one server to other server, as the user doesn’t exist. So […]
Errors, mysql
programming
related to programming
mysql
Export and Import with MySQLDump
Here is the syntax. To export the database – [code language=”powershell”] C:\xampp7\mysql\bin>mysqldump.exe –databases mydatabase –user myuser –password >mydatabase.dump.sql Enter password: […]
Big Data, Errors, Oozie
Oozie job failure – Error: E0501 : E0501: Could not perform authorization operation, User: hadoop is not allowed to impersonate hadoop
Hi hadoopers, I’m sorry for resuming the tutorials. I need to complete a project first. Tutorial posts would be resumed […]
maven
Eclipse project dependency and Maven
Hi, I’m unable to schedule the posts for the past two days, as I have been stuck with creating the […]
Errors, hadoop, HDFS, Map Reduce
java.io.IOException: Filesystem closed
Hi hadoopers, Here is the exception that screwed up me on Saturday night and failed my Mapper task. Mapper is […]
Big Data, jdbc, Map Reduce
java.lang.Exception: java.io.IOException: Incorrect string value: ‘\xE0\xAE\xB5\xE0\xAF\x87…’
Hi Hadoopers, This is a nasty exception which kicked off my reducer task, which updates my MySQL table with the […]
Big Data, jdbc, Map Reduce, mysql
Lab 14: Sending MapReduce output to JDBC
Hi Hadoopers, Unfortunately I couldn’t post on time, as I’ve been hit with flu. Here is the post for today. […]
Big Data, Map Reduce, maven
Lab 02 – A Simple Hadoop Mapper with Eclipse and Maven
Hi Hadoopers, All the tasks given below are done on the Hadoop server. I assume you have downloaded the Eclipse […]
Big Data, Errors
ERROR: Can’t get master address from ZooKeeper; znode data == null
I was setting up HBase and ZooKeeper for a lab exercise. After configuring them, I launched status command in hbase […]
Big Data, hadoop, mysql, Oozie
Oozie Installation and Configuration
Hi, Here is the output of my latest lab exercise – Oozie installation. This process was not strightforward as the […]