All traces of "native threads" should be removed.
frog$ pwd
/java/jdk/1.4/re/nightly/beta/j2se/binaries/solsparc/latest
frog$ ls -l bin/sparc/native_threads/java_vm*
-rwxrwxr-x 1 10 17532 Jun 19 06:16 bin/sparc/native_threads/java_vm
-rwxrwxr-x 1 10 286720 Jun 19 06:25 bin/sparc/native_threads/java_vm_g
frog$
frog$ pwd
/java/jdk/1.4/re/nightly/beta/j2se/binaries/solsparc/latest
frog$ ls -l bin/sparc/native_threads/java_vm*
-rwxrwxr-x 1 10 17532 Jun 19 06:16 bin/sparc/native_threads/java_vm
-rwxrwxr-x 1 10 286720 Jun 19 06:25 bin/sparc/native_threads/java_vm_g
frog$