[jira] [Created] (STORM-2689) storm-kafka-examples and storm-kafka-client-examples are difficult for new users to run

["Stig Rohde Døssing (JIRA)" <ji...@apache.org>]

Stig Rohde Døssing created STORM-2689:
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             Summary: storm-kafka-examples and storm-kafka-client-examples are difficult for new users to run
                 Key: STORM-2689
                 URL: https://issues.apache.org/jira/browse/STORM-2689
             Project: Apache Storm
          Issue Type: Bug
          Components: examples
    Affects Versions: 2.0.0, 1.1.1
            Reporter: Stig Rohde Døssing
            Assignee: Stig Rohde Døssing


The storm-kafka-examples and storm-kafka-client-examples projects configure their dependencies in a way that makes them difficult to run for a new user. The other example projects set up a provided dependency on storm-client, and otherwise include all their dependencies in a shaded jar. 

storm-kafka(-client) by default produce jars without several necessary dependencies, e.g. the Kafka client libraries. The provided.scope Maven parameter was intended to be used to allow users to produce a shaded jar with all dependencies, but if provided scope is set to compile, the resulting jar will also contain storm-client. This prevents the jar from running on a real cluster.

While users can work around this by producing the slim jar and using --artifacts when submitting the topology, this is unnecessarily tedious. We should just produce a fat jar by default, then mention in the example documentation that --artifacts is there for users that want to make slimmer jars.



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