[jira] [Created] (LOG4J2-3545) Log4J-JCL should have the same OSGI configuration as Log4j-SLF4J18

["Johan Compagner (Jira)" <ji...@apache.org>]

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[Johan
Compagner](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=jcompanger%40gmail.com)
**created** an issue  
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|  [Log4j 2](https://issues.apache.org/jira/browse/LOG4J2) /
[![Improvement](cid:jira-generated-image-
avatar-a3e748b4-9ff0-4eaf-b3e4-f803f9dbfe0a)](https://issues.apache.org/jira/browse/LOG4J2-3545)
[LOG4J2-3545](https://issues.apache.org/jira/browse/LOG4J2-3545)  
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[Log4J-JCL should have the same OSGI configuration as
Log4j-SLF4J18](https://issues.apache.org/jira/browse/LOG4J2-3545)  
| Issue Type: |  ![Improvement](cid:jira-generated-image-
avatar-a3e748b4-9ff0-4eaf-b3e4-f803f9dbfe0a) Improvement  
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Affects Versions: |  2.17.2  
Assignee: |  Unassigned  
Components: |  JCL Bridge  
Created: |  28/Jun/22 13:18  
Priority: |  ![Major](cid:jira-generated-image-static-major-
fe6dc29a-8ebc-4381-8940-5d9da814b32a) Major  
Reporter: |  [Johan
Compagner](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=jcompanger%40gmail.com)  
|

if you look at the manifest in this jar:

<https://repo1.maven.org/maven2/org/apache/logging/log4j/log4j-jcl/2.17.2/log4j-jcl-2.17.2.jar>

compared to the one that is in here:

<https://repo1.maven.org/maven2/org/apache/logging/log4j/log4j-slf4j18-impl/2.17.2/log4j-slf4j18-impl-2.17.2.jar>



then slf4j has the right OSGI manifest entries to work correctly with the
ServiceLoader

SLF4j has:



Require-Capability: osgi.extender;filter:="(osgi.extender=osgi.service  
 loader.registrar)",osgi.ee;filter:="(&(osgi.ee=JavaSE)(version=1.8))"  
Provide-Capability: osgi.serviceloader;osgi.serviceloader="org.slf4j.s  
 pi.SLF4JServiceProvider"



JCL has:



Require-Capability: osgi.ee;filter:="(&(osgi.ee=JavaSE)(version=1.8))"



this should become to fully support it in an OSGi environment:



Require-Capability:  osgi.extender;filter:="(osgi.extender=osgi.servicelo  
 ader.registrar)",osgi.ee;filter:="(&(osgi.ee=JavaSE)(version=1.8))"  
Provide-Capability:
osgi.serviceloader;osgi.serviceloader="org.apache.commons.logging.LogFactory"



to follow the spec: [133 Service Loader Mediator Specification - OSGi
Enterprise
7](https://docs.osgi.org/specification/osgi.enterprise/7.0.0/service.loader.html)



  
  
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