Mark H. Wood created DSRV-22:
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             Summary: Detect indirect circular property references
                 Key: DSRV-22
                 URL: https://jira.duraspace.org/browse/DSRV-22
             Project: DSpace Services Module
          Issue Type: Bug
          Components: configuration-service
            Reporter: Mark H. Wood
            Assignee: Mark H. Wood
            Priority: Blocker
             Fix For: 2.0.4


If a circular reference ("foo = ${foo}") is detected, it is left in place and 
no more substitutions are done on that property.  This leaves the circular 
reference in place.  If another property should have that property's value 
substituted, it is not detected as circular and the value fixup code will loop 
forever.

Break this loop by changing the pre-test for key == value to a post-test for 
old-value == new-value.  This should catch both direct and indirect 
circularities.

Prioritized "blocker" because this is hanging the Bamboo CI testing.

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