[vbox-dev] Change setting with java Main API

[Maxime Dor]

Use LockType.Shared instead - some other process must already be using the
VM (is it running?)


On 29 May 2014 10:12, Federica Renzi <renzi.fede at gmail.com> wrote:

> Hi everyone,
> I'm trying to change some VM setting during the execution of virtualbox. I
> read in SDK documentation that it's possible only locking the machine and
> saving its state, otherwise no change will be performed.
>
> I tried to achieve it using java api (com-xpcom glue) and custumize
> TestVBox.java, but I fall into these errors:
>
>    - if I write
>    m.lockMachine(sess, LockType.fromValue(2)); // lock write
>    The function "lockMachine" returned an error condition: "The machine
>    'NAME' is already locked for a session (or being unlocked)" (0x80bb0007)
>
>    - if I write
>    sess.unlockMachine();
>    The function "unlockMachine" returned an error condition: "The session
>    is not locked (session state: Unlocked)" (0x8000ffff)
>
>    - if I write directly (without any lock command)
>    m.saveSettings();
>    The function "saveSettings" returned an error condition: "The machine
>    is not mutable (state is Running)" (0x80bb0002)
>
>
> How could I solve it?
>
> Thanks
>
> --
> Federica Renzi
>
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