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https://issues.apache.org/jira/browse/NETBEANS-4747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17185805#comment-17185805
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David Gradwell commented on NETBEANS-4747:
------------------------------------------
The x-stream converters are described at:
[https://x-stream.github.io/javadoc/overview-summary.html]
The latest release is 1.4.12.
Can we check that the Maven WAR plugin uses this ?
> Illegal reflective access by
> com.thoughtworks.xstream.converters.collections.TreeMapConverter
> ---------------------------------------------------------------------------------------------
>
> Key: NETBEANS-4747
> URL: https://issues.apache.org/jira/browse/NETBEANS-4747
> Project: NetBeans
> Issue Type: Bug
> Components: javaee - Maven
> Affects Versions: 12.0
> Reporter: David Gradwell
> Priority: Minor
>
> When building a Java servlet with Maven (which generates a .war), the
> maven-war-plugin always generates the following warning, whatever servlet we
> are building.
> Please could NetBeans 12.1 use a later version of maven-war-plugin.
> --- maven-war-plugin:2.3:war (default-war) @ PKBHtmlServlet ---
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by
> com.thoughtworks.xstream.converters.collections.TreeMapConverter
> (file:/Users/davidjlgradwell/.m2/repository/com/thoughtworks/xstream/xstream/1.4.3/xstream-1.4.3.jar)
> to field java.util.TreeMap.comparator
> WARNING: Please consider reporting this to the maintainers of
> com.thoughtworks.xstream.converters.collections.TreeMapConverter
> 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
> Packaging webapp
> Assembling webapp [PKBHtmlServlet] in
> [/Users/davidjlgradwell/NetBeansDev/PKBHtmlServlet/target/PKBHtmlServlet-1.0]
> Processing war project
> Copying webapp resources
> [/Users/davidjlgradwell/NetBeansDev/PKBHtmlServlet/src/main/webapp]
> Webapp assembled in [95 msecs]
> Building war:
> /Users/davidjlgradwell/NetBeansDev/PKBHtmlServlet/target/PKBHtmlServlet-1.0.war
> ------------------------------------------------------------------------
> BUILD SUCCESS
> ------------------------------------------------------------------------
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