Server hangs at "Listening for Connection"

[dgstruble]

pi@raspberrypi:/PCHWRM_Server/PCHWRM_Server $ ./run
JavaFX launchApplication method: launchMode=LM_CLASS
Prism pipeline init order: es2
Using Double Precision Marlin Rasterizer
Using dirty region optimizations
Using system sized mask for primitives
Not forcing power of 2 sizes for textures
Using hardware CLAMP_TO_ZERO mode
Opting in for HiDPI pixel scaling
Prism pipeline name = com.sun.prism.es2.ES2Pipeline
Loading ES2 native library ... prism_es2_monocle
System.loadLibrary(prism_es2_monocle) succeeded
succeeded.
GLFactory using com.sun.prism.es2.MonocleGLFactory
System.loadLibrary(glass_monocle) succeeded
(X) Got class = class com.sun.prism.es2.ES2Pipeline
Initialized prism pipeline: com.sun.prism.es2.ES2Pipeline
JavaFX: using com.sun.javafx.tk.quantum.QuantumToolkit
Maximum supported texture size: 2048
Non power of two texture support = true
Maximum number of vertex attributes = 8
Maximum number of uniform vertex components = 544
Maximum number of uniform fragment components = 544
Maximum number of varying components = 32
Maximum number of texture units usable in a vertex shader = 8
Maximum number of texture units usable in a fragment shader = 8
Graphics Vendor: Broadcom
Renderer: VideoCore IV HW
Version: OpenGL ES 2.0
vsync: true vpipe: true
WARNING: Cannot access application main method: java.lang.NoSuchMethodException: PCHWRMServer.Main.main([Ljava.lang.String;)
Launching application directly
System.loadLibrary(javafx_font) succeeded
System.loadLibrary(javafx_font_freetype) succeeded
System.loadLibrary(javafx_font_pango) succeeded
C
Starting Server ...
... Done!
Listening for Clients on 192.168.1.53
max rectangle texture cell size = 62
wrap rectangle texture = 2 x 2
ES2ResourceFactory: Prism - createStockShader: AlphaTexture_Color.frag
ES2ResourceFactory: Prism - createStockShader: Texture_Color.frag
ES2ResourceFactory: Prism - createStockShader: FillRoundRect_Color.frag
new alphas with length = 4096
ES2ResourceFactory: Prism - createStockShader: Solid_TextureRGB.frag
new alphas with length = 36864
ES2ResourceFactory: Prism - createStockShader: AlphaOne_Color.frag
ES2ResourceFactory: Prism - createStockShader: DrawRoundRect_Color.frag
ES2ResourceFactory: Prism - createStockShader: FillCircle_Color.frag
ES2ResourceFactory: Prism - createStockShader: DrawCircle_Color.frag
new alphas with length = 49152
^CQuantumRenderer: shutdown
pi@raspberrypi:/PCHWRM_Server/PCHWRM_Server $

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Meanwhile, back on the RPi, the 7" touchscreen display only shows:

Listening for Connection
Server running on 192.168.1.53 Port 1314

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Open Hardware Monitor is running on the client Windows 10 PC, ip=192.168.1.50
and start.vbs was executed before executing ./run on the RPi.

I never see any graphics. Suggestions?