Install Problems on both Redhat 8 and Gentoo 1.4rc1

[aathomas]

Having problems installing on either Redhat 8 and Gentoo 1.4rc1
Warning: -Xmx100331648 not understood. Ignoring.
Warning: -Xms16777216 not understood. Ignoring.
Exception in thread "main" java.lang.NoClassDefFoundError: com.zerog.lax.LAX
at 0x4027615f: java.lang.Throwable.Throwable(java.lang.String) (/usr/lib/libg
cj.so.3)
at 0x4026908e: java.lang.Error.Error(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x4026ab1a: java.lang.LinkageError.LinkageError(java.lang.Stri ng) (/usr/li
b/libgcj.so.3)
at 0x4026bf76: java.lang.NoClassDefFoundError.NoClassDefFoundErro r(java.lang.
String) (/usr/lib/libgcj.so.3)
at 0x402bb0f9: gnu.gcj.runtime.FirstThread.run() (/usr/lib/libgcj.so.3)
at 0x4025cfdc: _Jv_ThreadRun(java.lang.Thread) (/usr/lib/libgcj.so.3)
at 0x4022978c: _Jv_RunMain(java.lang.Class, byte const, int, byte const, bool
ean) (/usr/lib/libgcj.so.3)
at 0x08048900: __gcj_personality_v0 (java.compiler=NONE)
at 0x406684ce: __libc_start_main (/lib/libc.so.6)
at 0x080486c1: _Jv_RegisterClasses (java.compiler=NONE)

Running Sun J2SDK 1.4.1_01

Any Ideas??