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https://issues.apache.org/jira/browse/JCLOUDS-1402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16427213#comment-16427213
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Andrew Gaul commented on JCLOUDS-1402:
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Guice 4.2 depends on Guava 23 which jclouds does not have compatibility with.
This is an ongoing sore which we may upgrade jclouds Guava to address.
> openjdk9 - An illegal reflective access operation has occurred
> --------------------------------------------------------------
>
> Key: JCLOUDS-1402
> URL: https://issues.apache.org/jira/browse/JCLOUDS-1402
> Project: jclouds
> Issue Type: Bug
> Components: jclouds-core
> Affects Versions: 2.1.0
> Environment: $ uname -r
> 4.15.14-1-ARCH
> $ archlinux-java status
> Available Java environments:
> java-9-openjdk (default)
> Reporter: Mathieu Tortuyaux
> Priority: Major
>
> Hi !
> While trying to run [this
> example|https://github.com/jclouds/jclouds-examples/blob/master/google-lb/src/main/java/org/jclouds/examples/google/lb/MainApp.java],
> I got the following warning:
> {noformat}
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by
> com.google.inject.internal.cglib.core.$ReflectUtils$2
> (file:/home/mathieu/Desktop/lab/jclouds-optel/test/target/cloud-scheduler-1.0-SNAPSHOT-shaded.jar)
> to method
> java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
> WARNING: Please consider reporting this to the maintainers of
> com.google.inject.internal.cglib.core.$ReflectUtils$2
> 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}
> After a few searches, I found that this is a known issue caused by
> Google/Guice and one one his dependency: cglib. It has been fixed in
> Google/Guice release 4.2. But jclouds-core is using Google/Guice release 3.0
> {noformat}
> $ mvn dependency:tree | grep guice -B 2
> [INFO] | | \- org.apache.jclouds:jclouds-core:jar:2.1.0:compile
> [INFO] | | +- javax.ws.rs:javax.ws.rs-api:jar:2.0.1:compile
> [INFO] | | +-
> com.google.inject.extensions:guice-assistedinject:jar:3.0:compile
> [INFO] | | +- com.google.inject:guice:jar:3.0:compile
> {noformat}
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