Azure Synapse - Working with Custom jar Scala (Bazel)

 Working with Custom jar in Azure 

There is 2 Jars :

1. Big Fat Jar or uber Jar (Contains main class  )
2. Build Dependency Jar/ Library to be used in Synapse 

Big Fat Jar or uber Jar:

• Contains main class
• Contains all the Dependency
• Contains manifest File
• $ bazel build build_name_deploy.jar
• Can be run as : build_name_deploy.jar
• Eg: https://github.com/j-thepac/BazelTestProject
• Ref - https://docs.bazel.build/versions/main/be/java.html

Build Dependency Jar/ Library

• Does not Contain main class
• Does not contain dependencies
• Note : Download external dependencies from Maven and upload it separately (refer bewlo link)
• $ bazel build build_name.jar

Once u have jars Created based on ure need , use link - https://docs.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-manage-scala-packages to upload to Azure