Keith Wall created QPID-7934:
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Summary: [Java Broker] A recovered
RuleBasedVirtualHostAccessControlProvider doesn’t tell the virtualhost about
changes to itself
Key: QPID-7934
URL: https://issues.apache.org/jira/browse/QPID-7934
Project: Qpid
Issue Type: Bug
Components: Java Broker
Reporter: Keith Wall
A recovered {{RuleBasedVirtualHostAccessControlProvider}} doesn’t tell its
virtualhost about changes to itself, so the virtualhost doesn’t react to
changes in its state (i.e. the rule-set). This issue exists on the normal
Broker start-up path. It means that if the user attempts to change a rule-set
the changes are not applied.
If a new RuleBasedVirtualHostAccessControlProvider is added, changes made to it
are reported properly to the VirtualHost. (This is why
VirtualHostAccessControlProviderRestTest does not fail).
The issue is that {{AbstractVirtualHost#postResolveChildren}} fails to add
state listeners to existing {{VirtualHostAccessControlProviders}}. The same
issue applies on the virtualhost restart path (much like QPID-7933).
There is a second problem that lies behind the first. If you fix
#postResolveChildren to install the listener on the existing VHACP, you find
that the VH still update its ACL controller state probably after changes to the
provider. This problem is that AbstractVirtualHost#updateAccessControl gets
called before #recreateAccessController so the VH continues to stale a stale
controller.
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