Claude Warren created JENA-2109:
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Summary: Permissions should have a soft read error
Key: JENA-2109
URL: https://issues.apache.org/jira/browse/JENA-2109
Project: Apache Jena
Issue Type: Bug
Components: Security
Affects Versions: Jena 4.0.0
Reporter: Claude Warren
Assignee: Claude Warren
Fix For: Jena 4.1.0
JENA-2055 uncovered a difficult to process issue.
When permissions to read an object were not granted the system simply threw an
ReadDeniedException however, in some cases the desired result is to return an
empty iterator. For example if a secured graph is part of a union graph and
the user does not have full permissions on the secured graph the query will
abort when the first graph access is denied.
The desired effect is to return
* An empty iterator in cases where an iterator is returned.
* False in cases where an existential flag is being checked.
* 0 (zero) when a count is being returned.
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