Java HotSpot Virtual Machine

sometimes eclipse-gtk 3.1 crash with following error:
//----------------------------
JVM terminated. Exit code=1
/opt/jdk1.5.0_05/bin/java
-jar /usr/lib/eclipse-3.1/startup.jar
-os linux
-ws gtk
-arch x86_64
-launcher /usr/lib/eclipse-3.1/eclipse-gtk
-name Eclipse-gtk
-showsplash 600
-exitdata 1d000f
-vm /opt/jdk1.5.0_05/bin/java
-vmargs
-jar /usr/lib/eclipse-3.1/startup.jar
/---------------------------------------------------
hs_er_pid.log file :
//--------------------------------------------------------------
OS:Gentoo Base System version 1.12.0_pre9

uname:Linux 2.6.13-gentoo-r2 #1 Thu Oct 6 11:36:43 Local time zone must be set--see zic manua x86_64
libc:glibc 2.3.5 linuxthreads-0.10 (floating stack)
rlimit: STACK 8192k, CORE 0k, NPROC 4093, NOFILE 1024, AS infinity
load average:0.02 0.29 0.22

CPU:total 1 amd64 3dnow

Memory: 4k page, physical 508292k(8352k free), swap 500464k(500204k free)

vm_info: Java HotSpot(TM) 64-Bit Server VM (1.5.0_05-b05) for linux-amd64, built on Aug 26 2005 15:00:58 by java_re with gcc 3.2.2 (SuSE Linux)
//-------------------------------------------------------------------

there i post full hs_err_pi.log file
http://pastebin.com/403889

I use gentoo x86_64 with 2.6.13-gentoo-r2 kernel
glibc version: glibc-2.3.5-r2
gcc 3.4.4

java version "1.5.0_05"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_05-b05)
Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_05-b05, mixed mode)

any ideas? how do fix this problem?