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https://issues.apache.org/jira/browse/ARTEMIS-2768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17201477#comment-17201477
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Gary Tully commented on ARTEMIS-2768:
-------------------------------------
That is fair comment, the difficulty is that it is hard to determine what the
value to match should be, what the root of the wildcard hierarchy is.
it is only when you know in advance what possible wildcard addresses will be
used for subscribers that you can know the root.
I guess we could add a warning (log a warning message) if a page store is named
after a wildcard address. That would be indicative of a potential problem.
> Negative AddressSize in JMX
> ---------------------------
>
> Key: ARTEMIS-2768
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2768
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.11.0, 2.12.0, 2.14.0
> Reporter: Tarek Hammoud
> Assignee: Gary Tully
> Priority: Major
> Fix For: 2.16.0
>
> Attachments: TestWildCard.java
>
>
> Hello,
> I see negative address size in JMX. This happens when there are two
> consumers. One listening on the full topic name. The other listening on the
> wild card topic. I can easily reproduce with this. [^TestWildCard.java]
> ^Broker shows:^
> ^2020-05-17 09:24:34,826 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-152.^
> ^2020-05-17 09:24:34,827 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-88.^
> ^2020-05-17 09:24:34,828 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-944.^
> ^2020-05-17 09:24:34,828 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-1,800.^
> ^2020-05-17 09:24:34,829 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-1,736.^
> ^2020-05-17 09:24:34,829 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-2,592.^
> ^2020-05-17 09:24:34,829 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-3,448.^
> ^2020-05-17 09:24:34,830 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-4,304.^
> ^2020-05-17 09:24:34,830 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-5,160.^
> ^2020-05-17 09:24:34,830 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-5,096.^
> ^2020-05-17 09:24:34,831 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-5,952.^
> ^2020-05-17 09:24:34,831 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-6,016.^
> ^2020-05-17 09:24:34,832 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-6,080.^
> ^2020-05-17 09:24:34,832 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-6,016.^
> ^2020-05-17 09:24:34,832 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-6,872.^
> ^2020-05-17 09:24:34,832 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-7,728.^
> ^2020-05-17 09:24:34,833 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-8,584.^
> ^2020-05-17 09:24:34,833 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-8,520.^
> ^2020-05-17 09:24:34,833 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-9,376.^
> ^2020-05-17 09:24:34,834 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-10,232.^
> ^2020-05-17 09:24:34,834 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-10,168.^
> ^2020-05-17 09:24:34,834 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-10,104.^
> ^2020-05-17 09:24:34,835 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-10,960.^
> ^2020-05-17 09:24:34,835 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-10,896.^
> ^2020-05-17 09:24:34,836 WARN [org.apache.activemq.artemis.core.server]
> AMQ222214: Destination global.topic.FooBar has an inconsistent and negative
> address size=-10,960.^
> ^2020-05-17 09:24:34,837^
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