[logback-dev] [JIRA] Updates for LOGBACK-1736: Make OSGi service-loader requirement for spi.Configurator optional

[logback developers list]

logback / LOGBACK-1736 [Open]
Make OSGi service-loader requirement for spi.Configurator optional

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https://jira.qos.ch/browse/LOGBACK-1736

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 Issue created
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Hannes Wellmann created this issue on 25/Apr/23 18:02

Summary:              Make OSGi service-loader requirement for spi.Configurator optional
Issue Type:           Sub-task
Affects Versions:     1.3.7, 1.4.7
Assignee:             Logback dev list
Components:           logback-classic
Created:              25/Apr/23 18:02
Priority:             Critical
Reporter:             Hannes Wellmann
Description:
  For LOGBACK-1729 the OSGi Service Loader Mediator Manifest entries were enhanced to be able to load logback {{Configurator}} services provided by other OSGi bundles. Unintentionally this requirement was only specified with {{cardinality:=multiple}} and without {{{}resolution:=optional{}}}, which means that at least one bundle providing a {{Configurator}} service is required (but multiple are possible).
  
  But having no provided {{Configurator}} at all is also a valid scenario and the code is prepared for that.
  
  Therefore the corresponding Service Loader Mediator requirement should be marked as optional ({{{}resolution:=optional{}}}) in order to allow zero up to arbitrary many provided {{Configurator}} services{{{}.{}}}


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