[jboss-as7-dev] Configuration of expression and system-properties (ejb3 subsystem)

[Tomaz Cerar]

I actually do not see any issue with 1) 
instead of doing ${my.prop:} just do ${my.prop} that will be empty or "" if my.prop is not set...

-- tomaz

----- Original Message -----
From: "Jaikiran Pai" <jpai at redhat.com>
To: wfink at redhat.com
Cc: jboss-as7-dev at lists.jboss.org
Sent: Thursday, July 5, 2012 4:02:12 PM
Subject: Re: [jboss-as7-dev] Configuration of expression and system-properties (ejb3 subsystem)

There are 2 issues here:

1) The expression value validation isn't allowing empty values. So 
internally it results in:

org.jboss.as.controller.OperationFailedException [ "JBAS014704: '' is an 
invalid value for parameter default-distinct-name. Values must have a 
minimum length of 1 characters" ]

2) This real exception isn't reported during server startup and I don't 
know the reason why.

Please create separate JIRAs for this. I believe a fix for #1 would 
involve overriding the String type attribute validator with an custom 
validator which allows empty strings (since for default-distinct-name a 
empty string is a valid value).

-Jaikiran
On Thursday 05 July 2012 11:46 AM, Wolf-Dieter Fink wrote:
> No,
> If I configure the EJB subsystem with a correct distinct-default 
> everything works (see initial mail, "If I set property to XX...")
>
> My intention was to set the default-distinct name with an expression 
> and use the default "",
> so it it possible to use the same profile for different server-groups 
> and configure the distinct name with a property.
>
> This works as long as I have a default different from "" or overwrite 
> with a property different from "".
> But if I don't want the distinct name and set "", no difference 
> whether default or property, a execution with "no distinct name" will 
> not work.
>
> I've looked into the source and play around with expressions and 
> properties and it looks like that ${XY:} will set "" as I want and a 
> property with value="" works either.
> So I don't understand at the moment why this don't work for distinct 
> name !?
>
> - Wolf
>
> On 07/05/2012 07:34 AM, Jaikiran Pai wrote:
>> Sorry, I don't completely understand the issue. Are you saying that
>> whatever distinct name you specify in the EJB3 subsystem is not being
>> used by the deployed EJBs?
>>
>> -Jaikiran
>> On Wednesday 04 July 2012 07:59 PM, Wolf-Dieter Fink wrote:
>>> I want to set
>>> <default-distinct-name value="${server.distinct.name:}"/> <!--
>>> default to "" empty -->
>>> for the ejb3 subsystem.
>>>
>>> If I look into the sources for ModelNode this should work, also do a
>>> simple mail-class test ;)
>>>
>>> Also if I set later in the server-group
>>> <system-properties><property name="server.distinct.name" value=""/>
>>>
>>> The result is the same:
>>> EJBCLIENT000025: No EJB receiver available for handling 
>>> [appName:apptwo,
>>> moduleName:ejb, distinctName:]
>>>
>>> If I set property to "XX" or default-distinct-name to
>>> "${server.distinct.name:XX}" (and don't set property)
>>> everything works fine.
>>>
>>> I suppose that there is something wrong with the setting for the
>>> receiver, but I don't see anything in TRACE level that give me an idea.
>>>
>>> Does anybody can help?
>>>
>>> - Wolf
>>> _______________________________________________
>>> jboss-as7-dev mailing list
>>> jboss-as7-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/jboss-as7-dev
>> _______________________________________________
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>
>

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