Is JNI (Java Native Interface) Known to Work in Both Directions on FreeBSD (to invoke the JVM from native software)?

[Nick Johnson]

Yeah, it works.  Take a look at jsvc that ships with Tomcat 6.  It binds 
to a port, drops root permission and creates a JVM and does back and forth 
communication with Tomcat.

   Nick

On Sat, 29 Mar 2008, Rod wrote:

> I'm having trouble using JNI software on FreeBSD.
> In summary:
> - I'm able to call native routines from a Java VM via JNI
> - However in the other direction JNI seems not to work. I can't create a JVM
> via JNI from native software.
> Admittedly, I'm using one specific software (R with rJava) and haven't tried
> running my own JNI software.
> 
> What I'm noticing is that a call to JNI_CreateJavaVM () in
> /usr/local/jdk1.6.0/jre/lib/i386/client/libjvm.so results in SIGSYS, Bad
> Sytem Call.
> 
> Here's my output from running R with rJava under gdb with a stack backtrace.
> It all seems to go pear-shaped at JNI_CreateJavaVM () :
> 

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