FULL PRODUCT VERSION :
java version "1.8.0_65"
Java(TM) SE Runtime Environment (build 1.8.0_65-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.65-b01, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Darwin xxx.xxx.org 14.5.0 Darwin Kernel Version 14.5.0: Tue Sep 1 21:23:09 PDT 2015; root:xnu-2782.50.1~1/RELEASE_X86_64 x86_64

A DESCRIPTION OF THE PROBLEM :
We want to generate JNI headers for a Java class A in package p.
A has static inner classes B and C.
A method of C is native and takes an object of type B as parameter.

package p;
class A {
  static class B {}
  static class C {
    native static long Foo(B bar);
  }
}

We run:
/Library/Java/JavaVirtualMachines/jdk1.8.0_65.jdk/Contents/Home/bin/javah -jni -o jni_libA.h -classpath ./ p.A

For this native function javah should produce
//Method: Foo
//Signature: (Lp/A$B;)J
JNIEXPORT jlong JNICALL Java_p_A_00024C_Foo__Lp_A_00024B_2

But it misses the dollar sign of the inner class B and produces
//Method: Foo
//Signature: (Lp/A/B;)J
JNIEXPORT jlong JNICALL Java_p_A_00024C_Foo__Lp_A_B_2

Later, during execution, the following error is thrown:
java.lang.UnsatisfiedLinkError: p.A$C.Foo(Lp/A$B;)J

It works fine when one manually adds the missing dollar sign "00024".

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
We want to generate JNI headers for a Java class A in package p.
A has static inner classes B and C.
A method of C is native and takes an object of type B as parameter.

package p;
class A {
  static class B {}
  static class C {
    native static long Foo(B bar);
  }
}

We run:
/Library/Java/JavaVirtualMachines/jdk1.8.0_65.jdk/Contents/Home/bin/javah -jni -o jni_libA.h -classpath ./ p.A

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
For this native function javah should produce
//Method: Foo
//Signature: (Lp/A$B;)J
JNIEXPORT jlong JNICALL Java_p_A_00024C_Foo__Lp_A_00024B_2
ACTUAL -
But it misses the dollar sign of the inner class B and produces
//Method: Foo
//Signature: (Lp/A/B;)J
JNIEXPORT jlong JNICALL Java_p_A_00024C_Foo__Lp_A_B_2


ERROR MESSAGES/STACK TRACES THAT OCCUR :
There are no messages/crash logs.

REPRODUCIBILITY :
This bug can be reproduced always.

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Sorry, no time.
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CUSTOMER SUBMITTED WORKAROUND :
Manually edit the produced header file and add dollar signs ("00024") where needed.