JDK9 Warning: Illegal reflective access about librarymanagement HOT 12 CLOSED

Which version should we use then ?

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Cheers Richard.

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I have the same problem in windows

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I have the same problem in MacOS as well.

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It seems to be hacking into a private field in java.net.Authenticator to get the globally configured Authenticator, it should use Authenticator.getDefault() (new API in Java SE 9) instead.

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Fixed in #173.

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I have the same error:

WARNING: Illegal reflective access by sbt.internal.librarymanagement.ivyint.ErrorMessageAuthenticator$ (file:/Users/${USER}/.sbt/boot/scala-2.12.3/org.scala-sbt/sbt/1.0.2/librarymanagement-ivy_2.12-1.0.2.jar) to field java.net.Authenticator.theAuthenticator

Which occurs when I run the tests for my IntelliJ IDEA Scala project. I used jrudolph/sbt-dependency-graph to check the dependency tree for the project, and librarymanagement-ivy isn't found, but these outdated versions of librarymanagement-ivy are downloaded when first building the project:

~/.sbt/boot/scala-2.12.3/org.scala-sbt/sbt/1.0.2/librarymanagement-ivy_2.12-1.0.2.jar
~/.sbt/boot/scala-2.12.3/org.scala-sbt/sbt/1.0.2/librarymanagement-core_2.12-1.0.2.jar

How do I get SBT to use the updated versions of librarymanagement-ivy to avoid the Illegal reflective access error?

@dwijnand, @AlanBateman

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change the sbt.version in project/build.properties

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Use https://github.com/sbt/sbt/releases as a reference.

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I upgraded from sbt version 0.13.5 to 0.13.17 in build.properties and I started getting this error. However, if I try to upgrade to a later version of SBT 1.0.0 onwards, then the play plugin refuses to load, so I seem to be stuck with 0.13.17 and suffering the error message as I can't go beyond that version without the play plugin failure. Any ideas?

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@PeterLambCSA that'd be a good question to ask in a Play forum ("what version of Play supports sbt 1?")

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@SethTisue Thanks, Seth. I can't upgrade my Play version right now, so I guess I'll have to just abandon the SBT upgrade.

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