John Dunn wrote:
So does this mean that the 64 bit version will only get run if the -d64
flag is used?
This is what I get
$ truss -t exec java -version
execve("/usr/jdk/instances/jdk1.5.0/bin/java", 0xFFBFFDE4, 0xFFBFFDF0)
argc = 2
execve("/usr/jdk/instances/jdk1.5.0/bin/java", 0x00031E18, 0x00032ADC)
argc = 2
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode, sharing)
truss -t exec java -d64 -version
execve("/usr/jdk/instances/jdk1.5.0/bin/java", 0xFFBFFDDC, 0xFFBFFDEC)
argc = 3
execve("/usr/jdk/instances/jdk1.5.0/bin/sparcv9/java", 0x00031E18,
0x00032ADC) argc = 2
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_06-b05, mixed mode)
<snip>
John Dunn
hello John,
this is from the java 1.5.0 documentation:
http://java.sun.com/j2se/1.5.0/docs/tooldocs/solaris/java.html
"-d32
-d64
Specifies whether the program is to be run in a 32-bit or 64-bit
environment if available.
Currently only the Java HotSpot Server VM supports 64-bit operation, and
the "-server" option is implicit with the use of -d64. This is subject
to change in a future release.
If neither -d32 nor -d64 is specified, the default is to run in a 32-bit
environment, except for 64-bit only systems. This is subject to change
in a future release."
so to answer your previous question - you do have a 64-bit capable java
on this machine.
greetings,
Stoyan
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