Where do modules go in jlink images?

[Nicolai Parlog]

 Hi Alan,

my mistake was to assume that the JMOD files contain the bytecode that
the JVM is running. A look into a JRE image would have saved me from that.

 so long ... Nicolai



On 07.01.2018 18:51, Alan Bateman wrote:
> On 07/01/2018 12:57, Nicolai Parlog wrote:
>>   Hi!
>>
>> Another question about jlink (guess what chapter I'm working on ;) ).
>> I've tried to find out where jlink puts the content of the jmods
>> folder, but hit a wall.
>>
>> I created a full runtime image with jlink and diffed the file trees
>> (including disk usage), but all that got me was that my image doesn't
>> contain bin/jmc, jmods, lib/misssioncontrol, lib/src.zip, and
>> lib/plugin-legacy.jar - all of that is expected, but where are the
>> class files from the jmod archives?
>>
>> Now I wonder, whether these are just ornamental - does lib/modules
>> contain all the bytecode? I'm confused.
>>
> JEP 220 describes the layout of the run-time image and may help. Many
> modules will only contain classes and resources, they will go the jimage
> container (the internal "modules" file) as Rémi said. Many of the JDK
> modules have launchers (the jdk.compiler module has the javac launcher
> for example), native library, configuration files, legal notices, man
> pages, ...  The jlink tool puts these in the locations listed in the JEP.
> 
> -Alan
> 

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