[Engine-devel] Error on starting webadmin

[Juan Hernandez]

On 12/13/2012 03:55 PM, Roy Golan wrote:
> On 12/13/2012 04:49 PM, Vojtech Szocs wrote:
>>> this is making the contribution process more complex. lets think of a
>>> lighter way to get a developing setup.
>> I agree, I just wanted to have the local Engine configuration steps documented for reference.. If there's a better way to do it, I'm for it.
>>
>> Vojtech
> 
> having LocalConfig look for "engine.conf.defaults" system property 
> before fallback to System.getenv("ENGINE_DEFAULTS");
>   +  concatenating -Dengine.conf.defaults=$HOME/.engine.conf.defaults 
> to  JAVA_OPTS  on standalone.conf

How is the system property simpler than the environment variable?

I agree that this makes the development process a bit more complex at
the moment, but I think that the way to make it simpler is not to
continue adding things to standalone.conf. I think that we should move
towards a development environment that is closer to the production
environment, not the other way around. Ideally the developer should be
able to do something like "make install" to have the engine deployed to
a directory structure similar to what he have in the production
environment. Then you should be able to go to the bin directory inside
that structure and start the engine (and the other tools) using the same
script that we use in production environments. If we achieve this goal
then we have a simple development environment setup and also we have all
developers testing almost the same thing that will go into the
production environments. At the moment we don't have that, most times
you are testing something quite different (in terms of directory
structure, configuration, etc) to what will be installed in production
environments. I am working in that direction.

>>
>>
>> ----- Original Message -----
>> From: "Roy Golan" <rgolan at redhat.com>
>> To: engine-devel at ovirt.org
>> Sent: Thursday, December 13, 2012 3:36:40 PM
>> Subject: Re: [Engine-devel] Error on starting webadmin
>>
>> On 12/13/2012 04:32 PM, Vojtech Szocs wrote:
>>> Hi,
>>>
>>> I've updated http://www.ovirt.org/Building_Engine_Draft - added section "Engine local configuration" (feel free to edit or modify as necessary)
>> this is making the contribution process more complex. lets think of a
>> lighter way to get a developing setup.
>>
>>> Vojtech
>>>
>>>
>>> ----- Original Message -----
>>> From: "Vojtech Szocs" <vszocs at redhat.com>
>>> To: engine-devel at ovirt.org
>>> Sent: Thursday, December 13, 2012 2:49:39 PM
>>> Subject: Re: [Engine-devel] Error on starting webadmin
>>>
>>> Hi guys,
>>>
>>> as Moti mentioned, this issue is related to UI plugins patches that have been merged recently.
>>>
>>> However, the root cause of this issue is LocalConfig class (machine-specific Engine configuration) throwing exception in following cases:
>>> - cannot load default properties (ENGINE_DEFAULTS property if defined, otherwise /usr/share/ovirt-engine/conf/engine.conf.defaults)
>>> - cannot load custom properties (ENGINE_VARS property if defined, otherwise /etc/sysconfig/ovirt-engine)
>>> - requesting missing property value (LocalConfig.getProperty method)
>>>
>>> (Note that UI plugins use two Engine properties: ENGINE_USR and ENGINE_ETC.)
>>>
>>> As Juan suggests in his comment in http://gerrit.ovirt.org/#/c/10026/, we could include this in "building Engine" wiki. For example:
>>> - have ENGINE_DEFAULTS property point to OVIRT_HOME/backend/manager/conf/engine.conf.defaults (alternatively, users can copy this file to /usr/share/ovirt-engine/conf)
>>> - create custom Engine config file, e.g. ~/myengine.conf, and have ENGINE_VARS property point to this file
>>>
>>> Vojtech
>>>
>>>
>>> ----- Original Message -----
>>> From: "Daniel Erez" <derez at redhat.com>
>>> To: "Moti Asayag" <masayag at redhat.com>
>>> Cc: engine-devel at ovirt.org
>>> Sent: Thursday, December 13, 2012 11:49:13 AM
>>> Subject: Re: [Engine-devel] Error on starting webadmin
>>>
>>>
>>>
>>> ----- Original Message -----
>>>> From: "Moti Asayag" <masayag at redhat.com>
>>>> To: engine-devel at ovirt.org
>>>> Sent: Thursday, December 13, 2012 12:25:07 PM
>>>> Subject: [Engine-devel] Error on starting webadmin
>>>>
>>>> Hi,
>>>>
>>>> I get the following error when trying to connect to webadmin:
>>>>
>>>> 2012-12-13 11:57:06,689 ERROR
>>>> [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/webadmin].[WebAdminDynamicHosting]]
>>>> (http--0.0.0.0-8700-1) Servlet.service() for servlet
>>>> WebAdminDynamicHosting threw exception:
>>>> java.lang.IllegalArgumentException: The property "ENGINE_USR"
>>>> doesn't have a value.
>>>>
>>>> It caused by the PluginDataManager instantiation which requires
>>>> several variables to be defined.
>>>>
>>>> In order to by pass those errors do:
>>>> 1. create a file /usr/share/ovirt-engine/conf/engine.conf.defaults
>>>> 2. Add the following properties to the file:
>>>> ENGINE_USR=username
>>>> ENGINE_ETC=/etc/ovirt-engine
>>>> 3. restart Jboss
>>> You can use the 'engine.conf.defaults' that resides at 'backend/manager/conf'.
>>>
>>>> Regards,
>>>> Moti

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