[ImageJ-devel] imagej-loader / dlopen args

Lee Kamentsky leek at broadinstitute.org
Wed Mar 18 15:35:54 CDT 2015

OOps hit send too fast. But thanks.,

On Wed, Mar 18, 2015 at 4:32 PM, Johannes Schindelin <
johannes.schindelin at gmx.de> wrote:

> Hi Lee,
> On 2015-03-18 14:47, Lee Kamentsky wrote:
>  I'm programming "monkey see, monkey do" style. I have very little idea
>> what
>> I'm doing, trying to replicate the logic for mac loading dylibs in
>> imagej-loader.
>> I've gotten pretty far, but at the end, I'm seeing the error,
>> "JavaNativeFoundation: GetGlobalVM: JNI_GetCreatedJavaVMs() failed to get
>> any VM" when I start an AWT app.
> Do you expect a JVM to be running already? If not, you should [create one](
> https://github.com/imagej/imagej-launcher/blob/
> 3e061521a/src/main/c/ImageJ.c#L307-L322).

Nope - this happens when I am shutting down the JVM after starting AWT.

>  But maybe you have a project for me to clone, with instructions that
> might let this poor Python pilgrim reproduce the issue?
> The head of the master branch of
http://github.com/CellProfiler/python-javabridge and running "python
demo/demo_uicallback.py" should demostrate the problem when you quit. If it
doesn't, I fixed it.

> Dscho
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