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FFI not working on Java 9 MacOS #4824

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shado23 opened this issue Oct 19, 2017 · 5 comments
Closed

FFI not working on Java 9 MacOS #4824

shado23 opened this issue Oct 19, 2017 · 5 comments

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@shado23
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@shado23 shado23 commented Oct 19, 2017

It looks like it's expecting "darwin-x86_64", but now somehow getting "x86_64-darwin".

$ name -a
Darwin imac 17.0.0 Darwin Kernel Version 17.0.0: Thu Aug 24 21:48:19 PDT 2017; root:xnu-4570.1.46~2/RELEASE_X86_64 x86_64
$ java -version
java version "9.0.1"
Java(TM) SE Runtime Environment (build 9.0.1+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.1+11, mixed mode)
$ jruby -v -w -rffi -e 'p FFI::Platform::ARCH'
jruby 9.1.13.0 (2.3.3) 2017-09-06 8e1c115 Java HotSpot(TM) 64-Bit Server VM 9.0.1+11 on 9.0.1+11 +jit [darwin-x86_64]
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jruby.util.io.FilenoUtil to method sun.nio.ch.SelChImpl.getFD()
WARNING: Please consider reporting this to the maintainers of org.jruby.util.io.FilenoUtil
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
LoadError: Unsupported platform: x86_64-darwin
  require at org/jruby/RubyKernel.java:955
  require at /usr/local/Cellar/jruby/9.1.13.0/libexec/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:59
   <main> at /usr/local/Cellar/jruby/9.1.13.0/libexec/lib/ruby/stdlib/ffi/ffi.rb:69
  require at org/jruby/RubyKernel.java:955
   (root) at /usr/local/Cellar/jruby/9.1.13.0/libexec/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1
   <main> at /usr/local/Cellar/jruby/9.1.13.0/libexec/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:59
  require at org/jruby/RubyKernel.java:955
   (root) at /usr/local/Cellar/jruby/9.1.13.0/libexec/lib/ruby/stdlib/ffi.rb:1
@shado23
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@shado23 shado23 commented Oct 26, 2017

For comparison this is what I get on Java 8, where it works:

$ jruby -v -w -rffi -e 'p FFI::Platform::ARCH'
jruby 9.1.13.0 (2.3.3) 2017-09-06 8e1c115 Java HotSpot(TM) 64-Bit Server VM 25.122-b04 on 1.8.0_122-ea-b04 +jit [darwin-x86_64]
"x86_64"
@headius
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@headius headius commented Oct 26, 2017

It appears to work for me here:

$ jruby -Xnative.verbose -v -rffi -e 'p FFI::Platform::ARCH'
jruby 9.1.13.0 (2.3.3) 2017-10-26 d40ae60 Java HotSpot(TM) 64-Bit Server VM 9+181 on 9+181 +jit [darwin-x86_64]
Successfully loaded native POSIX impl.
"x86_64"

This is Oracle's build of JDK9. What build is that you're running?

This may have been fixed after 9.1.13.

@headius headius added this to the JRuby 9.1.14.0 milestone Oct 26, 2017
@shado23
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@shado23 shado23 commented Oct 26, 2017

I'm using the Oracle JDK 9.0.1+11 (installed via homebrew cask).

@headius
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@headius headius commented Oct 27, 2017

I have reproduced it with JDK 9.0.1 from Oracle. Fix landing shortly.

@shado23
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@shado23 shado23 commented Oct 28, 2017

Great. Thanks a bunch!

@headius headius closed this in 29137e1 Oct 30, 2017
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