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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