dev@glassfish.java.net

Re: what changes will require server restart ?

From: Kedar Mhaswade <Kedar.Mhaswade_at_Sun.COM>
Date: Mon, 13 Oct 2008 08:02:18 -0700

Jerome Dochez wrote:
> yes Kedar did some change that were supposed to notify of server-restart
> when the jvm-options are changed.
>
> sof if this is not happening, we need to investigate.

Here are the javadocs for the changes:
http://fisheye4.atlassian.com/browse/glassfish-svn/trunk/v3/core/kernel/src/main/java/com/sun/enterprise/v3/admin/listener/GenericJavaConfigListener.java?r=23054#24

If the JVM-option represents a system property NOT starting with "-Djava."
or "-Djavax.", server will attempt to call System.setProperty() when
you create it. System.clearProperty() will be called when removing such
a property. Both setProperty() and clearProperty() are dynamically applicable
and I have tested it as such.

None of the attributes of java-config element are dynamically reconfigurable.

None of the VM options like -server, -client, -ea, -X*, -XX* are
dynamically reconfigurable.

Please let me know if your findings conform with this specification. If not,
it's a bug. I don't know why setting debug-enabled to true/false does not set
the restart required flag because I do add this change to the NotProcessed
items. Lloyd?

In CLI, there is no command that tells you if server needs a restart,
as of now. We need to implement it.

Regards,
Kedar

>
> jerome
>
>
> Lloyd Chambers wrote:
>> Anissa,
>>
>> Jerome made some changes in this area and so did Kedar. A
>> ConfigListener was added for java-config. But I think it's not
>> working right in that case. Any change to jvm-options should require a
>> restart, so that listener is doing something wrong..
>>
>> Lloyd
>>
>> ..............................................
>> Lloyd Chambers
>> lloyd.chambers_at_sun.com
>> GlassFish team, LSARC member
>>
>>
>>
>>
>>
>>
>> On Oct 10, 2008, at 10:15 AM, Anissa Lam wrote:
>>
>>>
>>> It used to be that creating a connection pool will show server
>>> restart required. That seems to be fixed as i don't see that
>>> anymore. Now, i need some case that will require server restart for
>>> my testing. I have tried adding a <jvm-options>, change
>>> <java-config> debug-enabled attribute, none of this shows server
>>> restart is required. Is this true ?
>>> Also, what CLI command will tell me that server require restart ?
>>>
>>> thanks
>>> Anissa.
>>>
>>>
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