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From "David Jencks (JIRA)" <>
Subject [jira] Assigned: (AMQ-704) ActiveIO compromises
Date Thu, 03 Apr 2008 21:20:33 GMT


David Jencks reassigned AMQ-704:

    Assignee: David Jencks  (was: Hiram Chirino)

> ActiveIO compromises
> ------------------------------------------------
>                 Key: AMQ-704
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>         Environment: ActiveMQ 4.0RC2 (confirmed still around in the current ActiveIO
SVN),  Java 1.5 on Windows (but should be a problem anywhere).
>            Reporter: matt hoffman
>            Assignee: David Jencks
>             Fix For: 5.0.0
> When using the ActiveIO journal, it's putting a java.util.HashSet into the
(using a properties.put() call that circumvents the  normal System.putProperty() method, that
only allows strings).   This isn't allowed, according to java.util.Properties' contract, and
therefore breaks other packages that rely on adhering to its contract. 
Most notably, it chokes Hibernate; however, anything that iterates through the System properties
will fail after ActiveIO has compromised it with a non-String value.
> Honestly, I don't know why Properties doesn't allow non-String values, but oh well. 
From the java.lang.Properties docs: 
> "Because Properties inherits from Hashtable, the put and putAll methods can be applied
to a Properties object. Their use is strongly discouraged as they allow the caller to insert
entries whose keys or values are not Strings. The setProperty method should be used instead.
If the store or save method is called on a "compromised" Properties object that contains a
non-String key or value, the call will fail."
> The call is being made in; I suppose a
hack could be created that stringifies the HashSet before placing it in the properties and
recreates it before getting it out again; atlernately, a simple singleton or static set could
be used.  I'd be happy to implement either one, if you'd like. 

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