Hello all,

I am having trouble with the invokeAndWait method offered by UpdateManager.  I am able 
to call invokeAndWait successfully in this block of code:

BluelineLoader o_loader = new BluelineLoader( io_document, _o_blueline_drawing ); 
try
{
        io_svg_canvas.getUpdateManager().getUpdateRunnableQueue().invokeAndWait( 
o_loader );            
}
catch (InterruptedException e)
{                       
        e.printStackTrace();
}                       

Later, I try executing another piece of code using the invokeAndWait method and my 
program hangs.  The code is as follows:

SVGGroupInterpreter o_interpreter = new SVGGroupInterpreter( 
io_app.getBluelineGroup(), io_interpreter );
try
{                               
        io_app.getUpdateManager().getUpdateRunnableQueue().invokeAndWait( 
o_interpreter );
}
catch (InterruptedException e)
{
        e.printStackTrace();
}

Does anyone know what is going on?  No code in SVGGroupInterpreter is executed.  Any 
help would be greatly appreciated.  Thanks!

-Mike

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