[jira] [Updated] (QPID-6791) Unsafe usage of WeakHashMap in ACL module can cause the broker to dead lock

["Keith Wall (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-6791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Keith Wall updated QPID-6791:
-----------------------------
    Summary: Unsafe usage of WeakHashMap in ACL module can cause the broker to dead lock  (was: Unsafe usage of WeakHashMap can cause the broker to dead lock)

> Unsafe usage of WeakHashMap in ACL module can cause the broker to dead lock
> ---------------------------------------------------------------------------
>
>                 Key: QPID-6791
>                 URL: https://issues.apache.org/jira/browse/QPID-6791
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.17, 0.32
>            Reporter: Lorenz Quack
>            Priority: Critical
>              Labels: ACL
>             Fix For: qpid-java-6.0
>
>
> {{org.apache.qpid.server.security.access.config.RuleSet}} uses {{WeakHashMap}} in a multi-threaded environment. However, {{WeakHasMap}} is not thread-safe. This can cause the broker to dead lock.
> This problem can affect only users utilising ACLs.



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