Review Request: JDK-8228671: Fastdebug VM throws InternalError when is used to resolve a member

Alan Bateman Alan.Bateman at
Sat Jul 27 06:51:54 UTC 2019

On 26/07/2019 22:12, Mandy Chung wrote:
> Debug VM checks if a class is accessible to the lookup class except if 
> the lookup class is java.lang.Object (which was the lookup class of 
> publicLookup previously). WithJDK-8173978, Lookup::in has changed and 
> it can be used to create a new public Lookup on a different lookup class.
> A quick fix for this bug is to pass Object.class for resolution for a 
> Lookup object with UNCONDITIONAL mode as previously.  The lookup class 
> and allowed modes are used to check if the resolved member is 
> accessible to this Lookup object.  We should re-examine this area in 
> particular publicLookup (see JDK-8173977).
Looks okay as a quick fix, surprised it is only caught with tier5 or 6 
testing. I assume JDK-8173977 will need a priority boost.


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