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https://issues.apache.org/jira/browse/BUILDR-736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoît updated BUILDR-736:
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Summary: Running on JRuby w/ Java 9 throws an IllegalArgumentException
(was: Running JRuby w/ Java 9 throws an IllegalArgumentException )
> Running on JRuby w/ Java 9 throws an IllegalArgumentException
> --------------------------------------------------------------
>
> Key: BUILDR-736
> URL: https://issues.apache.org/jira/browse/BUILDR-736
> Project: Buildr
> Issue Type: Bug
> Reporter: Benoît
> Priority: Blocker
>
> Hi,
> My setup is
> * jruby 9.2.0.0 (2.5.0) 2018-05-24 81156a8 Java HotSpot(TM) 64-Bit Server VM
> 9.0.4+11 on 9.0.4+11 +jit [linux-x86_64]
> * java 9.0.4
> * buildr 1.5.6
> Trying to build a project results in an illegal reflective access warning and
> an exception at lib/**buildr/java/jruby.rb:121.
>
> {quote}WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by org.jruby.javasupport.JavaMethod to
> method java.net.URLClassLoader.addURL(java.net.URL)
> WARNING: Please consider reporting this to the maintainers of
> org.jruby.javasupport.JavaMethod
> 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
> {quote}
>
> {quote}Buildr aborted!
> Java::JavaLang::IllegalArgumentException : object is not an instance of
> declaring class
> jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> jdk.internal.reflect.NativeMethodAccessorImpl.invoke(jdk/internal/reflect/NativeMethodAccessorImpl.java:62)
> jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(jdk/internal/reflect/DelegatingMethodAccessorImpl.java:43)
> java.lang.reflect.Method.invoke(java/lang/reflect/Method.java:564)
> jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> jdk.internal.reflect.NativeMethodAccessorImpl.invoke(jdk/internal/reflect/NativeMethodAccessorImpl.java:62)
> jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(jdk/internal/reflect/DelegatingMethodAccessorImpl.java:43)
> java.lang.reflect.Method.invoke(java/lang/reflect/Method.java:564)
> org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(org/jruby/javasupport/JavaMethod.java:425)
> org.jruby.javasupport.JavaMethod.invokeDirect(org/jruby/javasupport/JavaMethod.java:292)
> RUBY.block in
> load(/home/bdardenn/.rbenv/versions/jruby-9.2.0.0/lib/ruby/gems/shared/gems/buildr-1.5.6-java/lib/buildr/java/jruby.rb:121)
> {quote}
>
> The pointed at code does some funky hacks to the classpath, calling addURL on
> the system class loader, assuming that it is an instance of URLClassLoader.
> However, this does not seem to be the case (anymore).
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