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https://issues.apache.org/jira/browse/FELIX-5765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16467059#comment-16467059
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Rob Walker commented on FELIX-5765:
-----------------------------------
FWIW - the following options on our Felix versions gets around these warning
temporarily:
--add-opens java.base/java.lang=ALL-UNNAMED
--add-opens java.base/java.net=ALL-UNNAMED
--add-opens java.base/java.security=ALL-UNNAMED
We are on quite an old version though, so it's possible some module/package
combinations may be needed in newer Felix versions.
Note that these are very much a workaound rather than a proper fix. Although
given the way OSGi actually works, I'm not entirely sure that reflective access
and some level of these type of warnings can ever be full avoided.
> An illegal reflective access operation has occurred
> ---------------------------------------------------
>
> Key: FELIX-5765
> URL: https://issues.apache.org/jira/browse/FELIX-5765
> Project: Felix
> Issue Type: Improvement
> Components: Framework
> Affects Versions: framework-5.6.10
> Environment: Linux + JDK 9.0.1
> Reporter: Li Xu
> Priority: Minor
>
> Just reporting this as instructed:
> {noformat}
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by
> org.apache.felix.framework.ext.ClassPathExtenderFactory$DefaultClassLoaderExtender
> (file:/full-test/framework/org.apache.felix.framework-5.6.10.jar) to method
> java.net.URLClassLoader.addURL(java.net.URL)
> WARNING: Please consider reporting this to the maintainers of
> org.apache.felix.framework.ext.ClassPathExtenderFactory$DefaultClassLoaderExtender
> 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
> {noformat}
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