Re: How to tell if ClassServer is running

It stops after sending the shutdown message, leaving neither ClassServer 
running. ClassServer.main() will either attempt to stop another 
ClassServer instance (if -stop is specified), or construct a ClassServer 
instance, but not both.

Fred

Rawlings, Bill A wrote:
> Does that not leave me with the "new" Class Server running, or does it
> shut down after it stops the original?
> 
> BAR
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] 
> Sent: Wednesday, October 22, 2008 8:25 AM
> To: Rawlings, Bill A
> Cc: [email protected]
> Subject: Re: How to tell if ClassServer is running
> 
> 
> Start a second instance of the ClassServer with the "-stop" argument on 
> the same host as the first. It will send the initial ClassServer the 
> shutdown message and terminate. The initial ClassServer should then 
> terminate if it was run with "-stoppable".
> 
> Fred
> 
> Rawlings, Bill A wrote:
>> It's the ClassServer that comes with the River release and it is
> started
>> with the start.jar utility.  I figured out how to see if one is up,
> but
>> the shutdown is still problematic.  It is apparently not
>> Administratable.  The documentation speaks vaguely of a -stop
> parameter,
>> but the source code documentation says...
>>
>> * If the <code>-stoppable</code> option is given, the HTTP server can
> be
>> * shut down with a custom HTTP <code>SHUTDOWN</code> request
> originating
>> * from the local host. The command line options for stopping an
> existing
>> * HTTP server are:
>> * <pre>
>> * [-port <var>port</var>] -stop
>> * </pre>
>>
>> So, I'm not sure exactly how you shut it down if it was started with
> the
>> start.jar utility.  What is the correct parameter (-stop or
> -stoppable)
>> and what is a "custom HTTP SHUTDOWN request?
>>
>> BAR
>>
>> -----Original Message-----
>> From: Gregg Wonderly [mailto:[email protected]] 
>> Sent: Tuesday, October 21, 2008 9:33 AM
>> To: Rawlings, Bill A
>> Cc: [email protected]
>> Subject: Re: How to tell if ClassServer is running
>>
>> Rawlings, Bill A wrote:
>>> Hi guys:
>>>
>>> I need to be able to figure out if a ClassServer is up and running.
>>> (This is for a startup/shutdown application).   I see in the
>>> documentation the class 
>>> com.sun.jini.start.HTTPDStatus, which looks like it "might" do the
>>> trick, however the documentation on this class is fairly useless. 
>>>
>>> What is the "right" way to tell if a ClassServer is up and running,
>> Since it's an HTTP server, I'd guess anything that you'd devise that
>> uses the 
>> protocol and requests a file would work.  You might imagine a local
>> process that 
>> has access to the file store which the server serves from, making
>> requests for 
>> files and checking what it receives against what it sees in the
>> directory perhaps.
>>
>>> and
>>> what is the "right" way to shut one down?
>> Depends on how you start it.  If it's Administrable, then you could
> wire
>> that up 
>> to work, or use what is already in place if DestroyAdmin is
> implemented
>> by the 
>> object Administrable.getAdmin() returns.
>>
>> Gregg Wonderly
>>
>>
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