Which JRE type does the client have? (64bit or 32bit)
Hello all,
I'm needing a way to programmatically find out whether the client machine is running a 32bit or 64bit JRE.
The reasoning for this is down to this
a 32bit JRE will load only 32bit dll's and a 64bit JRE loads only 64dll's.
Problem occurs when a 32bit JRE is installed on a 64bit machine (64bit Windows), when the customer tries to use the 64bit program it fails because the installed 32bit JRE tries to load 32bit dlls (which arent there as the program is 64bit).
Anyway as the Java code is different (different API for the 32/64 dlls) so I would like to run a check before the program installs that the client has got version that matches their installed JVM.
Thanks in advance!
Examine [os.arch|http://pscode.org/prop/?prop=os.arch] or [sun.arch.data.model|http://pscode.org/prop/all.html?prop=sun.arch.data.model]?
I understand the first is what webstart uses to serve up natives according to the underlying hardware architecture.
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Help !!! why does the client need to specify codebase
Anyone,
I'm trying out a dynamic class loading tutorial.
my question is why does the client need to define
java.rmi.server.codebase.
I can understand why the server needs it, as it is downloading classes
it does not have information about. But why does the client need to specify the codebaseLets say you have a Remote interface with a method:
void compute(Task task);
Now, the clients of this remote interface want supply
a zillion of custom tasks to be executed on the
server, but how the hell the server knows where to get
the actual classes for those tasks?You fool. its for the server to hand the client the reference to a stub, or to specify FOR the client where the stubs are, so that the CLIENT can get a reference to them, to make the call.
This is where the
client codebase comes to the scene. Client codebase......you mean codebase info that is sent TO the client, so it can find the classes.
A client annotates
it and it gets written to the manifest part of any
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Rubbish.
I hope I made myself clear. as mud.
You might want to check
out this link also:
http://java.sun.com/products/jdk/1.2/docs/guide/rmi/cod
base.htmlI read this and i still dont see anything about CLIENT codebase. I see stuff about codebase, and the server trying to make the client aware of where it can get the relevant classes.
What a fool you are. Dont bother replying. I have had enough of your autocratic rubbish.
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