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java_send should be smart enough to unwrap the Ruby version of a Java class #638

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carllerche opened this issue Apr 15, 2013 · 4 comments
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java_send should be smart enough to unwrap the Ruby version of a Java class #638

carllerche opened this issue Apr 15, 2013 · 4 comments
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@headius
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java integration
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JRuby 1.7.20

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@carllerche
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That's what @headius told me to say...

Trying to call java_send and pass references to the java classes results in the following error:

cannot convert instance of class org.jruby.RubyModule to class java.lang.Class

Using the following works:

java.lang.Class.for_name("com.netflix.astyanax.MutationBatch")
@headius
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headius commented Apr 15, 2013

java_send needs logic to unwrap our proxied RubyModule/RubyClass versions of Java classes for the reflective lookup.

@ghost ghost assigned headius Apr 16, 2013
@enebo
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enebo commented Apr 16, 2013

I believe this is more than the java_* calling mechanisms as well, but I am at a loss in trying to find another case right now.

@tduehr
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tduehr commented Jun 19, 2014

Any method taking a java.lang.reflect.Method will have similar problems

@kares kares mentioned this issue Apr 29, 2015
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kares commented Apr 29, 2015

expect this to be fixed on >= 1.7.20 ... an issue with the similar underlying cause was reported at #2881

@kares kares closed this as completed Apr 29, 2015
@headius headius added this to the JRuby 1.7.20 milestone May 4, 2015
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@carllerche @headius @enebo @tduehr @kares