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https://issues.apache.org/jira/browse/ARTEMIS-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16491822#comment-16491822
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ASF GitHub Bot commented on ARTEMIS-1890:
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Github user jostbg commented on the issue:
https://github.com/apache/activemq-artemis/pull/2113
@franz1981 getting rid of all SimpleString instances would involve changing
the signature of the getAddressParts which felt like a too big change for now.
I think getting rid of temporary new SimpleString instances in the inner loop
of the matches function already is a significant improvement to help reducing
gc pressure.
> # any-word wildcard doesn't match zero words if not used at the end of a
> wildcard expression
> --------------------------------------------------------------------------------------------
>
> Key: ARTEMIS-1890
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1890
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.6.0
> Reporter: Johan Stenberg
> Priority: Major
> Attachments: Artemis1890_AnyWordWildCard_Test.java
>
>
> [https://activemq.apache.org/artemis/docs/latest/wildcard-syntax.html] states
> that the {{#}} wildcard character means _"match any sequence of *zero* or
> more words"_. This however is only true if the wild card is the last
> character in a wildcard expression. If any word comes after the wildcard
> character then the actual behavior is _"match any sequence of *one* or more
> words"_
> This means, the pattern {{topics.#.FOO}} matches {{topics.abc.FOO}} but not
> {{topics.FOO}}
> I am attaching a test case.
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