Hello. I am trying to programmatically create and manage VBox machines.
It's going very well, with one exception. I often end up with a lock on
VirtualBox.xml, which prevents my API calls from succeeding, even when I do
nothing more than get a list of machines by calling
VBoxManage list -l vms
This is the output I get in those cases:
VirtualBox Command Line Management Interface Version 3.0.2
(C) 2005-2009 Sun Microsystems, Inc.
All rights reserved.
ERROR: Could not save the settings file 'C:\Documents and
Settings\lgrey\.VirtualBox\VirtualBox.xml' (VERR_ACCESS_DENIED)
Details: code VBOX_E_FILE_ERROR (0x80bb0004), component VirtualBox,
interface IVirtualBox, callee IUnknown
Context: "UnregisterMachine(uuid, machine.asOutParam())" at line 294 of file
VBoxManage.cpp
I am using Groovy, and the call looks like this:
synchronized(vboxlock) {
proc = "\"${app.controllers.Vent.vboxHome}VBoxManage\" list -l
vms".execute()
out = proc.in.text
// proc.consumeProcessOutput()
proc.waitForOrKill(1000)
}
As these problems have persisted, I have taken to decorating the code with
the synchronized block, the waitForOrKill(), etc. Nothing I've tried has
beeen completely reliable. I always end up with VirtualBox.xml being locked
eventually.
Also, these VBoxSVC.exe processes are immortal. I can't kill them with Task
Manager or even SysInternals' ProcExplorer. In fact, Windows won't even
shutdown normally. I have no choice but to hold the power button down until
the box turns off.
Am I doing something wrong in my code? Is this a bug with VBoxManage or the
COM implementation? Is there a workaround?
Thanks,
Lee Grey
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