The picocli reference is likely for type conversion. Possibly removable.
On Tue, 13 Apr 2021 at 11:34, Ralph Goers <ralph.go...@dslextreme.com> wrote: > > I just got an email reply to the issue I created for the Disruptor. They > created a release this morning with the automatic module name so I should be > able to pick that up fairly soon. > > > /Users/rgoers/projects/apache/logging/log4j/logging-log4j2/log4j-core/src/main/java/org/apache/logging/log4j/core/tools/picocli/CommandLine.java:[41,11] > error: package java.sql is not visible > > This indicates java.sql is needed for Picocli. Why? > > It seems JNDI is needed for JndiLookup and JndiContextSelector. Those could > be moved to another module if we want. > > The Scripting stuff might also be able to moved to a separate module. I will > have to look into that. AbstractConfiguration references the ScriptManager > but that module could be built before core and then could be optional. > > Ralph > > > On Apr 13, 2021, at 9:17 AM, Matt Sicker <boa...@gmail.com> wrote: > > > > The SQL code is all related to JDBC and related appenders which could go in > > their own module. The naming is primarily used for EE stuff which could all > > be split out (plus, I don’t think it’s in the default Android variant of > > Java). The RMI thing can probably be replaced as you suggested. > > JMX/management might have some overlap there? As for the beans package, > > that can also be replaced with code instead of linking in that module. > > > > The interesting ones look to be XML and scripting as those are fairly > > useful core features, but they could be in their own modules. That would > > likely leave core such that it only supports programmatic configuration and > > properties files since every other format requires additional modules > > besides base. > > > > As for exports, that would likely depend on what’s left in core after > > splitting out the above mentioned things. > > > > On Tue, Apr 13, 2021 at 10:43 Ralph Goers <ralph.go...@dslextreme.com> > > wrote: > > > >> I started doing the work to modularize log4j-core last night. We have a > >> blocker in that the disruptor has not had a release in 3 years. They > >> committed the change to make it an automatic module over a year ago and > >> since have fully modularized it. They simply haven’t performed a release. > >> > >> As I was going through the module descriptor (see below) it seems to me > >> that we have far more dependencies in core than I would really like. For > >> example, despite moving the Jackson Layouts to their own modules we still > >> have a dependency on Jackson. We also have dependencies on things like > >> java.rmi, java.naming, java.sql. I am also not clear on whether they are > >> all really optional or not. Ideally, the only required dependency we should > >> have is for java.base. For example, we need java.rmi because Log4jLogEvent > >> uses MarshalledObject. I have no idea why we need that particular class to > >> wrap a log event. Couldn’t we have created our own class for that? We need > >> java.desktop because java.beans now lives there. Perhaps we could look at > >> what those are and if it is really just one or two utility methods > >> implement them locally. > >> > >> In the meantime I have created an issue with the Disruptor asking for a > >> release. I can’t do much more with core until that is available. I can move > >> on to other modules. > >> > >> We also need to look at the list of exports below and the classes in them > >> and determine what is really public and what should be private. > >> > >> > >> Thoughts? > >> > >> Ralph > >> > >> > >> module org.apache.logging.log4j.core { > >> exports org.apache.logging.log4j.core; > >> exports org.apache.logging.log4j.core.appender; > >> exports org.apache.logging.log4j.core.appender.db; > >> exports org.apache.logging.log4j.core.appender.nosql; > >> exports org.apache.logging.log4j.core.appender.rewrite; > >> exports org.apache.logging.log4j.core.appender.rolling; > >> exports org.apache.logging.log4j.core.appender.rolling.action; > >> exports org.apache.logging.log4j.core.appender.routing; > >> exports org.apache.logging.log4j.core.async; > >> exports org.apache.logging.log4j.core.config; > >> exports org.apache.logging.log4j.core.config.arbiters; > >> exports org.apache.logging.log4j.core.config.builder.api; > >> exports org.apache.logging.log4j.core.config.builder.impl; > >> exports org.apache.logging.log4j.core.config.composite; > >> exports org.apache.logging.log4j.core.config.json; > >> exports org.apache.logging.log4j.core.config.plugins; > >> exports org.apache.logging.log4j.core.config.plugins.convert; > >> exports org.apache.logging.log4j.core.config.plugins.inject; > >> exports org.apache.logging.log4j.core.config.plugins.util; > >> exports org.apache.logging.log4j.core.config.plugins.visitors; > >> exports org.apache.logging.log4j.core.config.properties; > >> exports org.apache.logging.log4j.core.config.status; > >> exports org.apache.logging.log4j.core.config.xml; > >> exports org.apache.logging.log4j.core.config.yaml; > >> exports org.apache.logging.log4j.core.filter; > >> exports org.apache.logging.log4j.core.impl; > >> exports org.apache.logging.log4j.core.jmx; > >> exports org.apache.logging.log4j.core.layout; > >> exports org.apache.logging.log4j.core.lookup; > >> exports org.apache.logging.log4j.core.message; > >> exports org.apache.logging.log4j.core.net; > >> exports org.apache.logging.log4j.core.net.ssl; > >> exports org.apache.logging.log4j.core.osgi; > >> exports org.apache.logging.log4j.core.parser; > >> exports org.apache.logging.log4j.core.pattern; > >> exports org.apache.logging.log4j.core.script; > >> exports org.apache.logging.log4j.core.selector; > >> exports org.apache.logging.log4j.core.time; > >> exports org.apache.logging.log4j.core.tools; > >> exports org.apache.logging.log4j.core.tools.picocli; > >> exports org.apache.logging.log4j.core.util; > >> exports org.apache.logging.log4j.core.util.datetime; > >> > >> requires transitive java.desktop; > >> requires transitive java.management; > >> requires java.naming; > >> requires transitive java.sql; > >> requires java.rmi; > >> requires transitive java.scripting; > >> requires java.xml; > >> requires org.apache.logging.log4j; > >> requires org.apache.logging.log4j.plugins; > >> //requires transitive com.lmax.distruptor; > >> requires transitive org.osgi.core; > >> requires transitive com.conversantmedia.disruptor; > >> requires transitive com.fasterxml.jackson.core; > >> requires transitive com.fasterxml.jackson.databind; > >> requires transitive com.fasterxml.jackson.dataformat.xml; > >> requires transitive com.fasterxml.jackson.dataformat.yaml; > >> requires transitive org.apache.commons.compress; > >> requires transitive org.fusesource.jansi; > >> uses org.apache.logging.log4j.core.util.ContextDataProvider; > >> provides > >> org.apache.logging.log4j.message.ThreadDumpMessage$ThreadInfoFactory with > >> org.apache.logging.log4j.core.message.ExtendedThreadInfoFactory; > >> provides org.apache.logging.log4j.core.util.ContextDataProvider with > >> org.apache.logging.log4j.core.impl.ThreadContextDataProvider; > >> provides org.apache.logging.log4j.spi.Provider with > >> org.apache.logging.log4j.core.impl.Log4jProvider; > >> provides org.apache.logging.log4j.plugins.processor.PluginService with > >> org.apache.logging.log4j.core.plugins.Log4jPlugins; > >> > >> > >