How To Setup Spark, Scala, Sbt and Generate Jar Files

Prerequisites • Install Scala: • Install SBT: • Install Eclipse (/Scala IDE): • Install Spark • Create main folder for application and inside that folder, create build.sbt file Configure Create the following directory and files. mkdir -p src/{main,test}/{java,resources,scala} mkdir lib project target touch build.sbt touch project/plugins.sbt • Paste following code inside build.sbt […]

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GoldenGate, Cassandra, Oracle training

Hello everyone, I hope the holidays went well for you, best of wishes from my family to yours! It is a new year and we all have new year resolutions! After years of creating blogs for you all, I have decided to turn it up a notch! As many of you already know, I am […]

Cassandra CQLSH – Unable to connect to any servers Tried connecting to [(‘’, 9042)


When trying to connect to a node in the Cassandra Cluster using cqlsh, I get the “Unable to connect to any servers. Tried connecting to [(‘’, 9042)” message. Learn how to modify the configuration so that the hostname is not required.