Robert,

you mentioned bringing this discussion to the dev mailing list (hope I did this the right way)

- kickstart launcher (fat JAR)

I am not sure why you think the kickstarter is a fat jar. It relies on a feature file for sling and the feature launcher. It's main purpose is to provide the same command line argument interface as the apache.sling.starter on top of the feature launcher as the feature launcher is rather limited in that regard. Also note that once the feature launcher with FAR support is released the kickstarter will also support FARs.

as a reference: below the -h output for the feature launcher, kickstarter and classic sling starter

Ruben

feature launcher command line interface:

usage: launcher -C <arg> Set artifact clash override -c <arg> Set cache dir -CC <arg> Set config clash override -D <arg> Set framework properties -ec <arg> Provide extension configuration, format: extensionName:key1=val1,key2=val2 -f <arg> Set feature files -fa <arg> Set framework artifact (overrides felix framework version) -fv <arg> Set felix framework version -p <arg> Set home dir -u <arg> Set repository url -V <arg> Set variable value -v Verbose

kickstarter command line interface

Usage: java -jar <Sling Kickstart JAR File> [-hnv] [-a=<address>] [-c=<slingHome>] [-f=<logFile>] [-i=<launcherHome>] [-j=<controlAddress>] [-l=<logLevel>] [-p=<port>] [-r=<contextPath>] [-s=<mainFeatureFile>] [-af=<additionalFeatureFile>]... [-D=<String=String>]... [COMMAND] Apache Sling Kickstart [COMMAND] Optional Command for Server Instance Interaction, can be one of: 'start', 'stop', 'status' or 'threads' -a, --address=<address> the interface to bind to (use 0.0.0.0 for any) -af, --additionalFeature=<additionalFeatureFile> additional feature files -c, --slingHome=<slingHome> the sling context directory (default sling) -D, --define=<String=String> sets property n to value v. Make sure to use this option *after* the jar filename. The JVM also has a -D option which has a different meaning -f, --logFile=<logFile> the log file, "-" for stdout (default logs/error.log) -h, --help Display the usage message. -i, --launcherHome=<launcherHome> the launcher home directory (default launcher) -j, --control=<controlAddress> host and port to use for control connection in the format '[host:]port' (default 127.0.0.1:0) -l, --logLevel=<logLevel> the initial loglevel (0..4, FATAL, ERROR, WARN, INFO, DEBUG) -n, --noShutdownHook don't install the shutdown hook -p, --port=<port> the port to listen to (default 8080) -r, --context=<contextPath> the root servlet context path for the http service (default is /) -s, --mainFeature=<mainFeatureFile> main feature file (file path or URL) replacing the provided Sling Feature File -v, --verbose the feature launcher is verbose on launch Copyright(c) 2020 The Apache Software Foundation.

classic

usage: org.apache.sling.launchpad.app.Main [ start | stop | status ] [ -j adr ] [ -l loglevel ] [ -f logfile ] [ -c slinghome ] [ -i launchpadhome ] [ -a address ] [ -p port ] { -Dn=v } [ -h ]
    start         listen for control connection (uses -j)
    stop          terminate running Apache Sling (uses -j)
    status        check whether Apache Sling is running (uses -j)
    threads       request a thread dump from Apache Sling (uses -j)
    -j adr        host and port to use for control connection in the format '[host:]port' (default 127.0.0.1:0)     -l loglevel   the initial loglevel (0..4, FATAL, ERROR, WARN, INFO, DEBUG)
    -f logfile    the log file, "-" for stdout (default logs/error.log)
    -c slinghome  the sling context directory (default sling)
    -i launchpadhome  the launchpad directory (default slinghome)
    -a address    the interfact to bind to (use 0.0.0.0 for any)
    -p port       the port to listen to (default 8080)
    -r path       the root servlet context path for the http service (default is /)
    -n            don't install the shutdown hook
    -Dn=v         sets property n to value v. Make sure to use this option *after* the jar filename. The JVM also has a -D option which has a different meaning
    -h            prints this usage message

On 5/8/2020 12:27 AM, Robert Munteanu (Jira) wrote:
     [ 
https://issues.apache.org/jira/browse/SLING-8350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17102331#comment-17102331
 ]

Robert Munteanu commented on SLING-8350:
----------------------------------------

I think it's worthwhile discussing the way forward ( or the way out :-) ) with 
the Feature Model on dev@sling . I don't claim to have a good understanding of 
the solution space yet, but what I understand is that we have three possible 
levels of support:

- feature launcher + feature file ( JSON )
- feature launcher + feature archive ( FAR )
- kickstart launcher (fat JAR)

I am not sure which option is "the best", and IIRC at some point we were 
discussing FAR vs KickStart.

As I've said, it would be worthwhile to discuss on the dev list.


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