It appears all the launchers are missing mapfiles or have exposed extern symbols that they shoul not.

Using a mapfile to limit symbol exposure on Solaris/Linux is generally considered a good practice, limits symbols and reduces size, and improves runtime linker performance with fewer symbols to resolve at runtime.

WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/java
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/keytool
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/policytool
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/rmiregistry
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/unpack200
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/pack200
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/appletviewer
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/apt
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/extcheck
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/idlj
WARNING: File was not built with a mapfile: /HUDSON/workspace/jdk7-2-build-solaris-sparc-product/jdk7/build/solaris-sparc/bin/jar