RFR: 8351842: Windows specific issues in combination of JEP 493 and --with-external-symbols-in-bundles=public - Full symbols location??

Erik Joelsson erik.joelsson at oracle.com
Fri Jan 2 14:33:49 UTC 2026


On 1/2/26 03:57, Andrew Leonard wrote:
> Hi,
>
> I’m looking to understand the situation on the production of full 
> debug symbols, as we’ve noticed at Adoptium jdk26 JDK images no longer 
> have the full debug symbols where they used to be in the JDK image?
> For Temurin release builds we use external symbols 
> (--with-debug-level=release --with-native-debug-symbols=external) and 
> then move the JDK debug info files to a separate debug image tarball, 
> I’m trying to figure what we need to change?
> Are the images/symbols folder files full debug files? Should we get 
> them from there instead?
>  Thanks
>
Yes, that is correct. The debug symbols are now only put into the 
symbols image, unless you explicitly configure your build to include 
them in the regular image and bundles using 
`--with-external-symbols-in-bundles=full`.

I would also recommend looking at the `make bundles` or `make 
product-bundles` targets as those will generate the appropriate bundles 
for you, though on Windows they are zip bundles as that's a more 
commonly used packaging format for that platform.

/Erik

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