[wildfly-dev] MORE_JAVA_OPTS in standalone.sh

[Arun Gupta]

On Wed, Mar 18, 2015 at 9:08 AM, James R. Perkins <jperkins at redhat.com> wrote:
> This will definitely be an issue. I can guarantee that some will want to
> replace one option that's already defined resulting in a duplicate.
> Processing the either option looking for duplicates is not an option.
> Every time we introduce something that requires scanning JAVA_OPTS it's
> extremely painful and error prone.

Valid point.

How do we recommend users to specify JAVA_OPTS in that case? Edit
standalone.conf?

>
> In docker wouldn't we just do something like:
>
> RUN echo "JAVA_OPTS=\"$JAVA_OPTS -Dkey.value\"" >>
> $JBOSS_HOME/standalone.conf

This worked very well, thanks for the tip!

Arun

>
> On 03/18/2015 06:57 AM, Darran Lofthouse wrote:
>> One issue with that however is how you would cope with duplicate or
>> conflicting options within the OPTS, all it could take is one conflict a
>> script can not resolve and you are back to just defining the whole string.
>>
>> Regards,
>> Darran Lofthouse.
>>
>>
>> On 18/03/15 12:42, Arun Gupta wrote:
>>> I'd like to not override the default JAVA_OPTS used by WildFly,
>>> instead add my own value to it. I think that's where MORE_JAVA_OPTS or
>>> EXTRA_JAVA_OPTS could be useful.
>>>
>>> Copy/pasting the existing JAVA_OPTS and including my own does not feel right :)
>>>
>>> Arun
>>>
>>> On Tue, Mar 17, 2015 at 10:22 PM, Jaikiran Pai <jai.forums2013 at gmail.com> wrote:
>>>> Hi Arun,
>>>>
>>>> The WildFly startup scripts allow you to *override* the JAVA_OPTS by setting
>>>> an environment variable of that same name. See the standalone.conf (for *nix
>>>> OS) file for details. From what I see, there's no option to append to the
>>>> default JAVA_OPTS, by setting an environment variable. This could be worked
>>>> around (in a bit brittle manner) by setting the overriding environment
>>>> variable value to contain the default JAVA_OPTS (copied over from
>>>> standalone.conf) plus the other custom/specific ones that the caller wants
>>>> to pass.
>>>>
>>>> -Jaikiran
>>>>
>>>> On Wednesday 18 March 2015 10:27 AM, Arun Gupta wrote:
>>>>> Can standalone.sh script be extended such that it takes an additional
>>>>> environment variable that is then added to JAVA_OPTS during startup?
>>>>>
>>>>> This can be used for passing additional Java options from WildFly
>>>>> Docker image. Cursory look at the script does not reveal anything like
>>>>> that exist.
>>>>>
>>>>> Arun
>>>>>
>>>>>
>>>
>>>
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>
> --
> James R. Perkins
> JBoss by Red Hat
>
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