I really think that the startup.properties is for infrastructure, bluperint etc.
the startup features allows you do "design" your own distro.


On Apr 16, 2011, at 12:42 PM, David Jencks wrote:

> Hi JB,
> 
> Thanks for the explanation, I think I've looked at things from only the 
> karaf-assembly point of view too long to see anything else :-)  The way 
> karaf-assembly works now, all the bundles in system will be listed in 
> startup.properties and will start automatically.
> 
> I think you are saying:
> 
> -- if you include a feature in the boot feature list, you should make sure 
> all the bundles needed are in the server already.
> 
> and, looking more closely at the add-features-to-repo mojo I see there's a 
> <features> configuration element that lets you specify features to install 
> the bundles for.
> 
> I'm going to add that capability to the karaf-assembly packaging.
> 
> There's another difference of style to resolve.  I've set up the 
> karaf-assembly packaging so that whenever it installs a featue, it adds the 
> feature's bundles to startup.properties at the appropriate start level.  For 
> "boot" features this means that you don't need to list them in the features 
> service configuration "boot features" since they will be started via the 
> startup.properties.  On the other hand you can't uninstall this feature so 
> easily.  Is this an important difference? Do I need to make a way to install 
> a feature's bundles but not add the bundles to startup.properties?
> 
> many thanks
> david jencks
> 
> 
> On Apr 16, 2011, at 12:12 AM, Jean-Baptiste Onofré wrote:
> 
>> Hi David,
>> 
>> I'm not sure to follow you. bootFeatures property defines which features are 
>> started at Karaf bootstrap time. It allows user to start a fresh Karaf 
>> instance with a set of Karaf features loaded and installed.
>> 
>> For instance, in ServiceMix, we have:
>> - nmr feature as boot feature and we ship all required jar (using 
>> features-add-to-repo goal) in the system OBR
>> - camel-nmr, cxf-nmr, etc are part of the NMR features but not in the boot 
>> features set. As we consider this kind of features as optional, we don't 
>> ship the features jar in the system OBR
>> 
>> Regards
>> JB
>> 
>> On 04/16/2011 08:32 AM, David Jencks wrote:
>>> I am wondering why we have boot features in trunk.  In particular I think 
>>> there is an inconsistency around the management feature which is in the 
>>> minimal boot feature list and whose jars are in the minimal server 
>>> assembly.  On the other hand the ssh full boot feature doesn't have all its 
>>> jars in the full server.
>>> 
>>> If a boot feature doesn't already have all its jars in the server, won't 
>>> this require internet access on initial startup?
>>> 
>>> If all the jars for a boot feature are already installed in the server, why 
>>> call it a boot feature, why not just start it with the rest of the jars?  
>>> For this question I may be biased by looking at the packaging based 
>>> assemblies where the startup.properties is constructed from the features 
>>> that are installed into the server, so it is at least as east to configure 
>>> the assembly to just include the jars as to configure a boot feature.
>>> 
>>> Am I missing something?
>>> 
>>> thanks
>>> david jencks
>>> 
>>> 
>>> 
> 

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