jpackage and alternate JRE's - OS X

Andy Herrick andy.herrick at
Tue Mar 17 20:28:14 UTC 2020

yes jpackage itself will not do any signing unless you use the various 
signing option(s).

But the executables in the jdk itself are signed, including those 
packaged as a resource like jpackageapplauncher itself.

The app executable itself, in your case, is a copy of 


On 3/17/2020 4:04 PM, Michael Hall wrote:
>> codesign -dv outFastR/
>> Executable=/Users/mjh/HalfPipe/HalfPipe_jpkg/outFastR/
>> Identifier=jpackageapplauncher
>> It does appear that jpackage is doing some default code signing.
> Running verbose I see no indication, other than maybe the above, that jpackage is in fact code signing. If this is something Apple is doing and GraalVM is doing something to violate it then it is definitely not something jpackage can probably do anything about.

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