Temos duas caixas Red Hat Linux 4. Os detalhes da versão são os mesmos para as duas caixas:
Red Hat Enterprise Linux AS release 4 (Nahant Update 7)
Kernel \r on an \m
Linux <hostname> 2.6.9-78.ELsmp #1 SMP Wed Jul 9 15:46:26 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux
No entanto, quando emitimos o comando java -Xmx2048m -version , está falhando em uma caixa. Por favor, ajude como identificar onde o problema poderia estar:
Na caixa 1:
$ java -Xmx2048m -version
java version "1.6.0_30"
Java(TM) SE Runtime Environment (build 1.6.0_30-b12)
Java HotSpot(TM) Server VM (build 20.5-b03, mixed mode)
$ free -m
total used free shared buffers cached
Mem: 4952 4029 923 0 189 1289
-/+ buffers/cache: 2551 2401
Swap: 8189 36 8153
$ 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) 49152
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
Na caixa 2:
$ java -Xmx2048m -version
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
$ free -m
total used free shared buffers cached
Mem: 9990 2871 7118 0 71 218
-/+ buffers/cache: 2581 7408
Swap: 8189 0 8189
$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) 2048008
cpu time (seconds, -t) unlimited
max user processes (-u) 90112
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
Atenciosamente, AR.