Thomas Watson created FELIX-4497:
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Summary: Invalid wirings may result from substitutable exports
Key: FELIX-4497
URL: https://issues.apache.org/jira/browse/FELIX-4497
Project: Felix
Issue Type: Bug
Reporter: Thomas Watson
FELIX-737 is a framework issue but the same issue also exists in the standalone
resolver implementation. I am opening a separate bug to specifically address
the issue in the standalone resolver implementation.
The felix framework resolve has a known issue with substitutable exports
FELIX-737. The scenario is pretty complex. It involves bundles multiple
bundles that export and import the same package X at different versions and an
importer that imports the package with a range that requires a specific
package. If that specific package gets substituted there are cases where the
resolver will return wires to the substituted export.
The ideal solution would do something smart with selection of substituted
exports so that different combinations or selections can be made if the first
substitution did not provide good results. This potentially will explode the
permutations. For now we should at least change the current permutation to
drop the substituted exports so that invalid wires do not get created. That
could drop some good valid combinations, but that is better than the current
state where completely invalid wires get created.
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