JDK8 32-bit "docs" build fails on 64-bit Windows

[Ivan Krylov]

Seems that instead of overriding we should be setting
MAX_VM_MEMORY = max (MAX_VM_MEMORY, 1024)
Ivan

On 2011-10-27 20:41, Volker Simonis wrote:
> I've just realized that building the JDK documentation for a 32-bit
> build of JDK8 on Windows (with JDK7 as bootstrap JDK) fails:
>
> C:/OpenJDK/jdk1.7.0_01/bin/java -XX:-PrintVMOptions
> -XX:+UnlockDiagnosticVMOptions -XX:-LogVMOutput -client -Xmx512m
> -Xms512m -XX:PermSize=32m -XX:MaxPermSize=160m
> "-Xbootclasspath/p:C:/OpenJDK/output_x86/langtools/dist/bootstrap/lib/javadoc.jar;C:/OpenJDK/output_x86/langtools/dist/bootstrap/lib/javac.jar;C:/OpenJDK/output_x86/langtools/dist/bootstrap/lib/doclets.jar"
> -jar C:/OpenJDK/output_x86/langtools/dist/bootstrap/lib/javadoc.jar
> -bootclasspath c:/OpenJDK/output_x86/classes  -d
> c:/OpenJDK/output_x86/docs/api \
>   @c:/OpenJDK/output_x86/tmp/docs/doctmp/coredocs.options
> @c:/OpenJDK/output_x86/tmp/docs/doctmp/coredocs.packages
> ..\..\src\share\classes\java\lang\invoke\MethodHandle.java:392:
> warning - Tag @link: reference not found: Objects.equals
> java.util.Objects#equals
> c:\OpenJDK\output_x86\impsrc\javax\xml\bind\JAXBContext.java:262:
> warning - Tag @see: reference not found: S 7.4.1 "Named Packages" in
> Java Language Specification</a>
> javadoc: error - java.lang.OutOfMemoryError: Please increase memory.
> For example, on the JDK Classic or HotSpot VMs, add the option -J-Xmx
> such as -J-Xmx32m.
> 1 error
> 2 warnings
>
> > From the error it seems as if this can also happen on other platforms.
> The problem is caused by the following setting in jdk/make/docs/Makefile:
>
>         67 # We override whatever the max VM memory setting is here.
>         68 #    NOTE: javadoc will not complete without these larger settings.
>         69 #    WARNING: This could cause thrashing on low memory machines.
>         70 ifeq ($(ARCH_DATA_MODEL),64)
>         71   MAX_VM_MEMORY = 1024
>         72 else
>         73   MAX_VM_MEMORY = 512
>         74 endif
>
> The 64-bit build succeeded without a problem, so apparently 1024m
> seems to be big enough.
>
> I think the problem is that I'm trying to build a 32-bit VM on a
> 64-bit Windows OS, so I set ARCH_DATA_MODEL to '32'.
> I know that the README mentions that 32-bit compiles are not supported
> on 64-bit OSes, but besides this problem, everything else works fine,
> so I think this should be fixed.
>
> Regards,
> Volker