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https://issues.apache.org/jira/browse/AMQ-7139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17382314#comment-17382314
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Matt Pavlovich commented on AMQ-7139:
-------------------------------------
This should be resolved with the xstream/xpp dependency upgrades that have
already occurred. Please test with 5.16.2 and report back if it is still an
issue.
This issue is marked for close in 30 days if there are no further updates.
> Illegal reflective access by com.thoughtworks.xstream.core.util.Fields
> ----------------------------------------------------------------------
>
> Key: AMQ-7139
> URL: https://issues.apache.org/jira/browse/AMQ-7139
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.14.4
> Reporter: Abhi
> Priority: Major
> Labels: close-pending
>
> Hi,
> After starting ActiveMQ broker with Java 11, I am seeing below illegal
> reflective access warnings from xstream. These will become errors in a future
> release and hence needs to be addressed. There is a github issue logged with
> xstream regarding this ([https://github.com/x-stream/xstream/issues/101)] but
> there doesn't seem to be a consensus on how this will be fixed. Is there a
> workaround that we can put in ActiveMQ to avoid these warnings? I am not sure
> what is the right way to fix this for ActiveMQ - move away from xstream as a
> long term fix?
> +*Logs:*+
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by
> com.thoughtworks.xstream.core.util.Fields
> (file:/prod/tools/infra/apache/activemq/apache-activemq-5.14.4/lib/optional/xstream-1.4.9.jar)
> to field java.lang.reflect.Proxy.h
> WARNING: Please consider reporting this to the maintainers of
> com.thoughtworks.xstream.core.util.Fields
> WARNING: Use --illegal-access=warn to enable warnings of further illegal
> reflective access operations
> WARNING: All illegal access operations will be denied in a future release
>
>
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