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From "Arnoud Glimmerveen (Jira)" <>
Subject [jira] [Created] (ARIES-1943) TopologyManagerImport assumes all referenced ImportRegistrations are not closed
Date Mon, 11 Nov 2019 10:58:00 GMT
Arnoud Glimmerveen created ARIES-1943:

             Summary: TopologyManagerImport assumes all referenced ImportRegistrations are
not closed
                 Key: ARIES-1943
             Project: Aries
          Issue Type: Bug
          Components: Remote Service Admin
    Affects Versions: rsa-1.14.0
            Reporter: Arnoud Glimmerveen

When an ImportRegistration is closed, all other methods must return null. Obtaining for instance
the ImportReference after close is therefor not possible and the associated getter is expected
to return null.

The current importer logic appears to assume that at least the ImportReference can always
be obtained. This holds true when assuming that only a single thread performs the import task,
however de current implementation uses up to 10 Threads. In that case whilst one Thread is
busy closing an ImportRegistration, another may already have the reference to it and without
the check for null will run into a NPE.

Note that apparently the Apache Aries RSA implementation does not have ImportRegistration.getImportReference()
return null after close, which is I guess the reason why this has gone unnoticed. Looking
at the [spec|]
this in itself should also be considered a bug.

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