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https://issues.apache.org/jira/browse/KAFKA-6536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang updated KAFKA-6536:
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Labels: newbie (was: )
> Streams quickstart pom.xml is missing versions for a bunch of plugins
> ---------------------------------------------------------------------
>
> Key: KAFKA-6536
> URL: https://issues.apache.org/jira/browse/KAFKA-6536
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 1.0.0, 0.11.0.2, 1.0.1
> Reporter: Ewen Cheslack-Postava
> Priority: Major
> Labels: newbie
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> There are a bunch of plugins being used that maven helpfully warns you about
> being unversioned:
> {code:java}
> > [INFO] Scanning for projects...
> > [WARNING]
> > [WARNING] Some problems were encountered while building the effective model
> > for org.apache.kafka:streams-quickstart-java:maven-archetype:1.0.1
> > [WARNING] 'build.plugins.plugin.version' for
> > org.apache.maven.plugins:maven-shade-plugin is missing. @
> > org.apache.kafka:streams-quickstart:1.0.1,
> > /Users/ewencp/kafka.git/.release_work_dir/kafka/streams/quickstart/pom.xml,
> > line 64, column 21
> > [WARNING] 'build.plugins.plugin.version' for
> > com.github.siom79.japicmp:japicmp-maven-plugin is missing. @
> > org.apache.kafka:streams-quickstart:1.0.1,
> > /Users/ewencp/kafka.git/.release_work_dir/kafka/streams/quickstart/pom.xml,
> > line 74, column 21
> > [WARNING]
> > [WARNING] Some problems were encountered while building the effective model
> > for org.apache.kafka:streams-quickstart:pom:1.0.1
> > [WARNING] 'build.plugins.plugin.version' for
> > org.apache.maven.plugins:maven-shade-plugin is missing. @ line 64, column 21
> > [WARNING] 'build.plugins.plugin.version' for
> > com.github.siom79.japicmp:japicmp-maven-plugin is missing. @ line 74,
> > column 21
> > [WARNING]
> > [WARNING] It is highly recommended to fix these problems because they
> > threaten the stability of your build.
> > [WARNING]
> > [WARNING] For this reason, future Maven versions might no longer support
> > building such malformed projects.{code}
> Unversioned dependencies are dangerous as they make the build
> non-reproducible. In fact, a released version may become very difficult to
> build as the user would have to track down the working versions of the
> plugins. This seems particularly bad for the quickstart as it's likely to be
> copy/pasted into people's own projects.
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