Matthias Friedrich created CRUNCH-16:
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Summary: Fix dependency versions
Key: CRUNCH-16
URL: https://issues.apache.org/jira/browse/CRUNCH-16
Project: Crunch
Issue Type: Task
Reporter: Matthias Friedrich
Priority: Critical
Right now, the compile time classpath doesn't exactly match the runtime
classpath. For example, Hadoop CDH3u4 comes with slf4j-api-1.4.3 while Crunch
references slf4j-api-1.6.3. This could result in NoSuchMethodError and other
nasty problems.
We have to make sure that version numbers match (check "mvn dependency:tree")
and that we don't ship artifacts that are already present on the runtime
classpath. If our dependencies introduce incompatible transitive dependencies,
we might have to downgrade them.
Note: Maven's dependency resolution is order-dependent, see
http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html
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