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https://issues.apache.org/jira/browse/CASSANDRA-5072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13533417#comment-13533417
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Aleksey Yeschenko commented on CASSANDRA-5072:
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It used to return Permission.NONE which used to be a (mutable) EnumSet. In 1.2
it's an ImmutableSet, as it should be. EnumsSet.copyOf is there to convert it
back to EnumSet, since that's what the old interface requires.
I guess we should fix it, even though Simple* examples will be dropped in 1.2.1
or 1.2.2 entirely (were supposed to be dropped in 1.2.0 actually, which is why
there wasn't much testing done with them).
> Bug in creating EnumSet in SimpleAuthorizer example
> ---------------------------------------------------
>
> Key: CASSANDRA-5072
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5072
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.2.0 beta 3
> Reporter: John Sanda
> Priority: Minor
> Labels: authentication
>
> In SimpleAuthorizer around line 47 we have,
> EnumSet<Permission> authorized = EnumSet.copyOf(Permission.NONE);
> This results in an IllegalArgumentException since Permission.NONE is an empty
> set. I think it should be changed to,
> EnumSet<Permission> authorized = EnumSet.noneOf(Permission.class);
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