Boot JDK requirements for 8 ?

Jonathan Gibbons jonathan.gibbons at oracle.com
Tue Dec 4 16:43:31 PST 2012


On 12/04/2012 04:37 PM, David Holmes wrote:
> This is a build-infra build using profiles forest but I think is a 
> general issue :)
>
> I use a JDK 7 as a boot JDK. I've noticed that now javac produces 
> version 52 classes files the build produces lots of these "warnings"
>
> Generating headers for jdk base classes
> Compiling 1 files for BUILD_ALTCLASSES_JAR
> /java/embedded/users/dh198349/profiles/builds/b66/se-linux-i586-ea/jdk/classes/java/lang/Integer.class: 
> major version 52 is newer than 51, the highest major version supported 
> by this compiler.
>   It is recommended that the compiler be upgraded.
>
> I'm not sure exactly where this comes from.
>
> David

The messages come from javac.   I would guess that the build is using 
the boot javac when it should be using "boot java + interim javac classes"

-- Jon



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