Groups > comp.lang.java.programmer > #7127

Re: JNI accessing a class that instantiates another class

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From	Florian Weimer <fw@deneb.enyo.de>
Newsgroups	comp.lang.java.programmer
Subject	Re: JNI accessing a class that instantiates another class
Date	Mon, 15 Aug 2011 19:06:26 +0200
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* Danno:

> I'm taking my first stab at JNI.  I have a main Java class that
> instantiates another class.  In my C++ code, I am using the FindClass
> function for the main class and calling the method in the main class
> using GetStaticMethodId/CallStaticIntMethod.  The C++ code is
> successfully finding the Java class and calling the method that I
> specified in the GetStaticMethoId function.  The only problem is, when
> the Java class attempts to create an instance of this second, inner
> class, it dies.  I don't get an error, it just doesn't work.

Please post code demonstrating the problem.  Have you checked if
-Xcheck:jni reports anything useful?

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Thread

JNI accessing a class that instantiates another class Danno <danmwall-google@yahoo.com> - 2011-08-15 07:55 -0700
  Re: JNI accessing a class that instantiates another class Florian Weimer <fw@deneb.enyo.de> - 2011-08-15 19:06 +0200
    Re: JNI accessing a class that instantiates another class Danno <danmwall-google@yahoo.com> - 2011-08-15 12:28 -0700
      Re: JNI accessing a class that instantiates another class Florian Weimer <fw@deneb.enyo.de> - 2011-08-15 21:50 +0200
  Re: JNI accessing a class that instantiates another class Roedy Green <see_website@mindprod.com.invalid> - 2011-08-15 15:10 -0700

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