Re: [Wrapper-user] I want to do sthg when I reach wrapper.max_failed_invocations!

[<nic...@uk...>]

Are there hooks into these JVM lifecycle events (ie some way of notifying
the outside world that a restart has occurred?)

-Nick







Internet
le...@ta...@lists.sourceforge.net - 19/10/2005 14:57


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Subject:    Re: [Wrapper-user] I want to do sthg when I reach
       wrapper.max_failed_invocations!


Sebastien,
This kind of thing is in the works for a future version.  But for now it
is not
directly supported.

There is a simple workaround however.  Write a new main class.  In it
simply do the following:

public void main( String[] args )
{
    if (WrapperManager.getJVMId() <= 5 )
    {
        MainClass.main( args );
    }
    else
    {
        RecoveryClass.main( args );
    }
}

Then increase the max failed invocations from 5 to 6.

Cheers,
Leif

Sebastien Chateau wrote:

> Hi,
> I'm using this great product to wrap my java application (some kind of
> client multimedia player) and I'm totally satisfied with it. So I'd like
> to first say thanks for developping it.
> Now, let my explain my will : my application is relatively unstable yet,
> and some conditions can make its lauch impossible. I have set
> /wrapper.max_failed_invocations /with value 5. After 5 failed
> invocations, the wrapper stops invoking, like it's supposed to do.
> Now, I'd like to be able to "catch" this "giving up event", and for
> example trigger the invocation of another main class on this giving up.
> My purpose is to keep a trace of these events (e.g. in a local file)
> because they reveal important information to me.
> Is there any way to do this? Thanks in advance!
> Seb
>
> PS : for now I regularely check the file "wrapper.log" and look inside
> if I can find the pattern "There were 5 failed launches in a row, each
> lasting less than 300 seconds.  Giving up."
>



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