Steven Rowe created LUCENE-4365:
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             Summary: The Maven build can't directly handle complex 
inter-module dependencies involving the test-framework modules
                 Key: LUCENE-4365
                 URL: https://issues.apache.org/jira/browse/LUCENE-4365
             Project: Lucene - Core
          Issue Type: Improvement
          Components: general/build
            Reporter: Steven Rowe
            Assignee: Steven Rowe
            Priority: Minor


The Maven dependency model disallows cyclic dependencies, of which there are 
now several in the Ant build (considering test and compile dependencies 
together, as Maven does).  All of these cycles involve either the Lucene 
test-framework or the Solr test-framework.

The current Maven build works around this problem by incorporating 
dependencies' sources into dependent modules' test sources, rather than 
literally declaring the problematic dependencies as such. (See SOLR-3780 for a 
recent example of putting this workaround in place for the Solrj module.)  

But with the factoring out of the Lucene Codecs module, upon which Lucene 
test-framework has a compile-time dependency, the complexity of the workarounds 
required to make it all hang together is great enough that I want to attempt a 
(Maven-build-only) module refactoring.  It should require fewer contortions and 
be more maintainable.

The Maven build is currently broken, as of the addition of the Codecs module 
(LUCENE-4340).

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