Don't know if this helps, but here's a Java log:
Java Web Start 11.441.2.07
Using JRE version 1.8.0_441-b07 Java HotSpot(TM) 64-Bit Server VM
JRE expiration date: 6/15/25 12:00 AM
console.user.home = C:\Users\gscho
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c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
m: print memory usage
o: trigger logging
p: reload proxy configuration
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
0-5: set trace level to <n>
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Missing Application-Name manifest attribute for: https://isy.universal-devices.com/launcher/isyfinder-3.6.jar
Running query on George/100.122.107.49
java.io.FileNotFoundException: C:\Users\gscho\AppData\Local\Temp\udi_launcher.state (The system cannot find the file specified)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at com.universaldevices.isyfinder.ISYFinder.restoreState(Unknown Source)
at com.universaldevices.isyfinder.ISYFinder.restoreState(Unknown Source)
at com.universaldevices.isyfinder.ISYFinder$9.run(Unknown Source)
Server is not yet listening
Server is not yet listening
Server is not yet listening
Listening for responses...
Asking question Question{qName=_https._tcp.local., qType=PTR, qClass=IN}
Asking question Question{qName=_https._tcp.local., qType=PTR, qClass=IN}
Response received!
Response was not a mDNS response packet, ignoring it
Listening for responses...
Response received!
Response was not a mDNS response packet, ignoring it
Listening for responses...
No instances of type _https._tcp found
