On 03.09.2011 14:57, Barash, Danny wrote:
I believe that the reason the machine is locked is because you are
already locking it at
/"//IProgress progress = machine.launchVMProcess(session, "gui", "");"/
Exactly. The code below makes no sense. You use the session to start a
VM (which implicitly locks the session according to the API
documentation), and when the VM is running the code locks it again
(which fails). The remaining code would change the configured RAM size
while the VM is running. PCs can't do that :)
Klaus
//
//
Please refer to the SDK ref for more information.
Regards,
Danny.
*From:*[email protected]
[mailto:[email protected]] *On Behalf Of *Rafael Braga
*Sent:* Thursday, September 01, 2011 21:49
*To:* [email protected]
*Subject:* [vbox-dev] The given session is busy
Hello,I am beginner in virtualbox java API and now I need
change the memory size of a vm. I am using the following code:
public void setMemorySize() {
VirtualBoxManager mgr = VirtualBoxManager.createInstance(null);
ISession session = mgr.getSessionObject();
IVirtualBox vbox = mgr.getVBox();
IMachine machine = vbox.getMachines().get(1);
IProgress progress = machine.launchVMProcess(session, "gui", "");
progress.waitForCompletion(-1);
machine.lockMachine(session, LockType.Write); // machine is now locked
for writing
IMachine mutable = session.getMachine();
// obtain the mutable machine copy
mutable.setMemorySize((long) 1024);
mutable.saveSettings();
// write settings to XML
session.unlockMachine();
}
But, returns the following error:
Exception in thread "main" org.virtualbox_4_1.VBoxException: The
function "lockMachine" returned an error condition: "The given session
is busy" (0x80bb0007)
at org.virtualbox_4_1.IMachine.lockMachine(IMachine.java:798)
at teste.elasticidade.IniciaVM.setMemorySize(IniciaVM.java:51)
at teste.elasticidade.IniciaVM.main(IniciaVM.java:37)
what maybe happening?
thanks a lot.
--
Rafael Braga
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