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https://issues.apache.org/jira/browse/GROOVY-9611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17149217#comment-17149217
]
Jochen Theodorou commented on GROOVY-9611:
------------------------------------------
That is an interesting issue. The class causing the IllegalAccessException is
not in Groovy, but in Java. So the only chance this can go wrong is in the way
the anonymous inner class Script$1 is compiled - specifically the modifiers
> Reflexive access to class attributes broken in Groovy 3
> -------------------------------------------------------
>
> Key: GROOVY-9611
> URL: https://issues.apache.org/jira/browse/GROOVY-9611
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 3.0.4
> Environment: macOs Catalina, openjdk 13.0.2 2020-01-14, Groovy 3.0.4
> Reporter: Gildas Morvan
> Priority: Major
> Attachments: GROOVY-9611.zip
>
>
> Since Groovy 3, the reflexive access to Groovy class attributes from Java is
> broken.
>
> The [following
> code|[https://github.com/gildasmorvan/similar2logo/blob/master/similar2logo-examples/src/main/groovy/fr/univ_artois/lgi2a/similar2logo/examples/boids/GroovyBoidsSimulation.groovy]]
> which works fine with groovy 2.5.* raises this exception:
>
> {{}}
>
> {code:java}
> juin 30, 2020 9:01:33 AM
> fr.univ_artois.lgi2a.similar.extendedkernel.libs.web.view.SimilarHtmlGenerator
> renderParameter
> WARNING: The parameter public double
> fr.univ_artois.lgi2a.similar2logo.examples.boids.GroovyBoidsSimulation$1.minInitialSpeed
> cannot be found
> java.lang.IllegalAccessException: class
> fr.univ_artois.lgi2a.similar.extendedkernel.libs.web.view.SimilarHtmlGenerator
> cannot access a member of class
> fr.univ_artois.lgi2a.similar2logo.examples.boids.GroovyBoidsSimulation$1 with
> modifiers "public"
> at
> java.base/jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:376)
> at
> java.base/java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:642)
> at java.base/java.lang.reflect.Field.checkAccess(Field.java:1075)
> at java.base/java.lang.reflect.Field.get(Field.java:416)
> at
> fr.univ_artois.lgi2a.similar.extendedkernel.libs.web.view.SimilarHtmlGenerator.renderParameter(SimilarHtmlGenerator.java:290)
> at
> fr.univ_artois.lgi2a.similar.extendedkernel.libs.web.view.SimilarHtmlGenerator.lambda$renderParameters$4(SimilarHtmlGenerator.java:243)
> at
> java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
> at
> java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
> at
> java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
> at
> java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
> at
> java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at
> java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
> at j2html.tags.ContainerTag.with(ContainerTag.java:100)
> at j2html.TagCreator.each(TagCreator.java:108)
> at
> fr.univ_artois.lgi2a.similar.extendedkernel.libs.web.view.SimilarHtmlGenerator.renderParameters(SimilarHtmlGenerator.java:243)
> at
> fr.univ_artois.lgi2a.similar.extendedkernel.libs.web.view.SimilarHtmlGenerator.renderView(SimilarHtmlGenerator.java:166)
> at
> fr.univ_artois.lgi2a.similar.extendedkernel.libs.web.view.SimilarHttpServer.lambda$initServer$0(SimilarHttpServer.java:112)
> at spark.RouteImpl$1.handle(RouteImpl.java:72)
> at spark.http.matching.Routes.execute(Routes.java:61)
> at spark.http.matching.MatcherFilter.doFilter(MatcherFilter.java:134)
> at spark.embeddedserver.jetty.JettyHandler.doHandle(JettyHandler.java:50)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1671)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
> at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:61)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> at org.eclipse.jetty.server.Server.handle(Server.java:505)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:698)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:804)
> at java.base/java.lang.Thread.run(Thread.java:830)
> {code}
>
>
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