problem with running java on Linux 2.6.9-023stab043.1-enterprise

[Alok Padey]

hi gurus

I am facing problem while running java on linux(Linux
2.6.9-023stab043.1-enterprise)
after installation i executed the command :
java -version ,got error as :

"Error occurred during initialization of VM
Could not reserve enough space for code cache"

I have also tried
jdk1.5.0_06/bin/java -Xmx512M

but no luck

Have any one experienced this problem before.
Any idea is welcome.
plz show me light were to search

The deatils are as:
java : jdk1.5
linux: 2.6.9-023stab043.1-enterprise
RAM: 700 MB(approx) 40% in use 60% free.

[root at as private]# ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
file size (blocks, -f) unlimited
pending signals (-i) 1024
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 71679
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited

-- 
THANKS
ALOK PANDEY
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