Github user sakanaou commented on the issue:
https://github.com/apache/storm/pull/1480
@HeartSaVioR: `storm-core/pom.xml` includes a `maven-shade-plugin` step
that lists both guava and jackson as artifactSet-includes without relocations.
Why should they then not be provided via storm-core? I have successfully used
storm-redis without placing guava or jackson explicitly in the classpath so
they must be present already. From my understanding they are provided by the
"fat" storm-core jar.
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