[ 
https://issues.apache.org/jira/browse/LOG4J2-2056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Gary Gregory updated LOG4J2-2056:
---------------------------------
    Description: 
To fully support Java 9 all Log4j jars must (at least) be packaged as automatic 
modules. We should, as much as possible, follow the recommendations at 
http://blog.joda.org/2017/05/java-se-9-jpms-automatic-modules.html. Given that 
the module names would be:

||Artifact ID ||Module name||
|log4j-api|org.apache.logging.log4j|
|log4j-core|org.apache.logging.log4j.core|
|log4j-1.2-api|org.apache.log4j|
|log4j-appserver|org.apache.logging.log4j.appserver|
|log4j-flume-ng|org.apache.logging.log4j.flume|
|log4j-iostreams|org.apache.logging.log4j.iostreams|
|log4j-jcl|org.apache.logging.log4j.jcl|
|log4j-jmx-gui|org.apache.logging.log4j.jmx.gui|
|log4j-jul|org.apache.logging.log4j.jul|
|log4j-nosql|org.apache.logging.log4j.nosql|
|log4j-osgi|org.apache.logging.log4j.osgi|
|log4j-sl4j-impl|org.apache.logging.log4j.slf4j.impl*|
|log4j-to-slf4j|org.apache.logging.log4j.to.slf4j|
|log4j-taglib|org.apache.logging.log4j.taglib|
|log4j-web|org.apache.logging.log4j.web|

# log4j-liquibase uses a package name outside the org.apache.logging.log4j 
namespace so is not modularized.
# log4j-slf4j-impl cannot currently be modularized until the binding is 
modified. It cannot have classes in the org.slf4j namespace.
# log4j-slf4j-impl and log4j-to-slf4j both use the same package name - 
org.apache.logging.log4j.slf4j. This will remain the same as it will prevent 
them both from being loaded at the same time.




  was:
To fully support Java 9 all Log4j jars must (at least) be packaged as automatic 
modules. We should, as much as possible, follow the recommendations at 
http://blog.joda.org/2017/05/java-se-9-jpms-automatic-modules.html. Given that 
the module names would be:

||Jar name||Module name||
|log4j-api|org.apache.logging.log4j|
|log4j-core|org.apache.logging.log4j.core|
|log4j-1.2-api|org.apache.log4j|
|log4j-appserver|org.apache.logging.log4j.appserver|
|log4j-flume-ng|org.apache.logging.log4j.flume|
|log4j-iostreams|org.apache.logging.log4j.iostreams|
|log4j-jcl|org.apache.logging.log4j.jcl|
|log4j-jmx-gui|org.apache.logging.log4j.jmx.gui|
|log4j-jul|org.apache.logging.log4j.jul|
|log4j-nosql|org.apache.logging.log4j.nosql|
|log4j-osgi|org.apache.logging.log4j.osgi|
|log4j-sl4j-impl|org.apache.logging.log4j.slf4j.impl*|
|log4j-to-slf4j|org.apache.logging.log4j.to.slf4j|
|log4j-taglib|org.apache.logging.log4j.taglib|
|log4j-web|org.apache.logging.log4j.web|

# log4j-liquibase uses a package name outside the org.apache.logging.log4j 
namespace so is not modularized.
# log4j-slf4j-impl cannot currently be modularized until the binding is 
modified. It cannot have classes in the org.slf4j namespace.
# log4j-slf4j-impl and log4j-to-slf4j both use the same package name - 
org.apache.logging.log4j.slf4j. This will remain the same as it will prevent 
them both from being loaded at the same time.





> Modularize Log4j as automatic modules
> -------------------------------------
>
>                 Key: LOG4J2-2056
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2056
>             Project: Log4j 2
>          Issue Type: New Feature
>    Affects Versions: 2.9.1
>            Reporter: Ralph Goers
>            Assignee: Ralph Goers
>
> To fully support Java 9 all Log4j jars must (at least) be packaged as 
> automatic modules. We should, as much as possible, follow the recommendations 
> at http://blog.joda.org/2017/05/java-se-9-jpms-automatic-modules.html. Given 
> that the module names would be:
> ||Artifact ID ||Module name||
> |log4j-api|org.apache.logging.log4j|
> |log4j-core|org.apache.logging.log4j.core|
> |log4j-1.2-api|org.apache.log4j|
> |log4j-appserver|org.apache.logging.log4j.appserver|
> |log4j-flume-ng|org.apache.logging.log4j.flume|
> |log4j-iostreams|org.apache.logging.log4j.iostreams|
> |log4j-jcl|org.apache.logging.log4j.jcl|
> |log4j-jmx-gui|org.apache.logging.log4j.jmx.gui|
> |log4j-jul|org.apache.logging.log4j.jul|
> |log4j-nosql|org.apache.logging.log4j.nosql|
> |log4j-osgi|org.apache.logging.log4j.osgi|
> |log4j-sl4j-impl|org.apache.logging.log4j.slf4j.impl*|
> |log4j-to-slf4j|org.apache.logging.log4j.to.slf4j|
> |log4j-taglib|org.apache.logging.log4j.taglib|
> |log4j-web|org.apache.logging.log4j.web|
> # log4j-liquibase uses a package name outside the org.apache.logging.log4j 
> namespace so is not modularized.
> # log4j-slf4j-impl cannot currently be modularized until the binding is 
> modified. It cannot have classes in the org.slf4j namespace.
> # log4j-slf4j-impl and log4j-to-slf4j both use the same package name - 
> org.apache.logging.log4j.slf4j. This will remain the same as it will prevent 
> them both from being loaded at the same time.



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