java_g does not work in 1.4.2 from fcs version on RH 9.0 and RHEL 3.0. It worked fine with RH7.3.

Tiger (1.5.0) latest build b43 works fine.

 java_g -version shows following message.

[asaha@urtli-dtf-8 ~]$ /java/re/jdk/1.4.2/latest/binaries/linux-i586/bin/java_g -version
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/os_linux.cpp:1346
#
# HotSpot Virtual Machine Error, assertion failure
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2-b28-debug mixed mode)
#
# assert(sigismember(&act.sa_mask, 32), "incompatible pthread library")
#
# Error ID: /export/BUILD_AREA/jdk1.4.2/hotspot/src/os/linux/vm/os_linux.cpp, 1346
#

Heap at VM Abort:
Heap
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/thread.hpp:479