WARNING: An illegal reflective access operation has occurred

[UdoW]

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.eclipse.xtext.util.MergeableManifest (file:/D:/pool/plugins/org.eclipse.xtext.util_2.14.0.v20180522-1821.jar) to field java.util.jar.Manifest.attr
WARNING: Please consider reporting this to the maintainers of org.eclipse.xtext.util.MergeableManifest
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

WARNING: Illegal reflective access by org.eclipse.xtext.util.MergeableManifest (file:/D:/pool/plugins/org.eclipse.xtext.util_2.14.0.v20180522-1821.jar) to field java.util.jar.Manifest.attr
WARNING: Illegal reflective access by org.eclipse.xtext.util.MergeableManifest$OrderAwareAttributes (file:/D:/pool/plugins/org.eclipse.xtext.util_2.14.0.v20180522-1821.jar) to field java.util.jar.Attributes.map

I use Java 10.0.2.

[cdietrich]

Duplicates eclipse/xtext-core#506
particular issue with MergeableManifest is fixed in 2.15