Bug#960247: jruby: jgem crashes

[Antonio Terceiro]

On Sun, May 10, 2020 at 10:45:34PM -0300, Antonio Terceiro wrote:
> Package: jruby
> Version: 9.1.17.0-3
> Severity: important
> 
> ~$ jgem --version
> Unhandled Java exception: java.lang.NoSuchMethodError: java.nio.ByteBuffer.clear()Ljava/nio/ByteBuffer;
> java.lang.NoSuchMethodError: java.nio.ByteBuffer.clear()Ljava/nio/ByteBuffer;
>            encode at org/jruby/RubyEncoding.java:285
>        encodeUTF8 at org/jruby/RubyEncoding.java:181
>    encodeBytelist at org/jruby/RubyString.java:5533
>            <init> at org/jruby/RubyString.java:360
>            <init> at org/jruby/RubyString.java:352
>         newString at org/jruby/RubyString.java:447
>         newString at org/jruby/Ruby.java:3489
>   createFileClass at org/jruby/RubyFile.java:213
>          initCore at org/jruby/Ruby.java:1502
>         bootstrap at org/jruby/Ruby.java:1286
>              init at org/jruby/Ruby.java:1185
>       newInstance at org/jruby/Ruby.java:341
>       internalRun at org/jruby/Main.java:271
>               run at org/jruby/Main.java:232
>              main at org/jruby/Main.java:204
> 
> `jgem list` has the same result.

Sorry, it turned out I had openjdk 8 as my default java alternative. I
switched back to the default, but I still can't make jgem work.

This is on a clean sid docker container with just jruby installed:

----------------8<----------------8<----------------8<-----------------
root at add83903c526:/# jruby -e 'puts 1'
1
root at add83903c526:/# jruby --version
jruby 9.1.17.0 (2.3.3) 2019-05-28 fffffff OpenJDK 64-Bit Server VM 11.0.7+10-post-Debian-3 on 11.0.7+10-post-Debian-3 +jit [linux-x86_64]
root at add83903c526:/# jgem  list
/usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1:in `require':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by jnr.posix.JavaLibCHelper$ReflectiveAccess to method sun.nio.ch.SelChImpl.getFD()
WARNING: Please consider reporting this to the maintainers of jnr.posix.JavaLibCHelper$ReflectiveAccess
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: no such file to load -- psych
           require at org/jruby/RubyKernel.java:956
           require at /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
            <main> at /usr/share/jruby/lib/ruby/stdlib/yaml.rb:6
           require at org/jruby/RubyKernel.java:956
            (root) at /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1
           require at /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
         load_yaml at /usr/share/jruby/lib/ruby/stdlib/rubygems.rb:701
         load_file at /usr/share/jruby/lib/ruby/stdlib/rubygems/config_file.rb:340
        initialize at /usr/share/jruby/lib/ruby/stdlib/rubygems/config_file.rb:202
  do_configuration at /usr/share/jruby/lib/ruby/stdlib/rubygems/gem_runner.rb:75
            <main> at /usr/bin/jgem:21
root at add83903c526:/# jgem  --version
/usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1:in `require':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by jnr.posix.JavaLibCHelper$ReflectiveAccess to method sun.nio.ch.SelChImpl.getFD()
WARNING: Please consider reporting this to the maintainers of jnr.posix.JavaLibCHelper$ReflectiveAccess
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: no such file to load -- psych
           require at org/jruby/RubyKernel.java:956
           require at /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
            <main> at /usr/share/jruby/lib/ruby/stdlib/yaml.rb:6
           require at org/jruby/RubyKernel.java:956
            (root) at /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1
           require at /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55
         load_yaml at /usr/share/jruby/lib/ruby/stdlib/rubygems.rb:701
         load_file at /usr/share/jruby/lib/ruby/stdlib/rubygems/config_file.rb:340
        initialize at /usr/share/jruby/lib/ruby/stdlib/rubygems/config_file.rb:202
  do_configuration at /usr/share/jruby/lib/ruby/stdlib/rubygems/gem_runner.rb:75
            <main> at /usr/bin/jgem:21
root at add83903c526:/# jirb
irb(main):001:0> YAML
NameError: uninitialized constant YAML
	from org/jruby/RubyModule.java:3372:in `const_missing'
	from (irb):1:in `<eval>'
	from org/jruby/RubyKernel.java:995:in `eval'
	from org/jruby/RubyKernel.java:1316:in `loop'
	from org/jruby/RubyKernel.java:1138:in `catch'
	from org/jruby/RubyKernel.java:1138:in `catch'
	from /usr/bin/jirb:13:in `<main>'
irb(main):002:0> require 'yaml'
/usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1:in `require':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
LoadError: no such file to load -- psych
	from org/jruby/RubyKernel.java:956:in `require'
	from /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55:in `require'
	from /usr/share/jruby/lib/ruby/stdlib/yaml.rb:6:in `<main>'
	from org/jruby/RubyKernel.java:956:in `require'
	from /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1:in `(root)'
	from /usr/share/jruby/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:55:in `<eval>'
	from org/jruby/RubyKernel.java:995:in `eval'
	from (irb):2:in `evaluate'
	from org/jruby/RubyKernel.java:1316:in `loop'
	from org/jruby/RubyKernel.java:1138:in `catch'
	from org/jruby/RubyKernel.java:1138:in `catch'
	from /usr/bin/jirb:13:in `<main>'
----------------8<----------------8<----------------8<-----------------

Is this caused by #959571 ?
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