Sorry, I should have added that I am sure I can work around the issues listed below but it is going to make the build uglier than it should be.
Ralph > On Apr 17, 2021, at 3:56 PM, Ralph Goers <ralph.go...@dslextreme.com> wrote: > > I have created a module-info.java file and added it to the project. I then > ran mvn clean install in log4j-core. I expected it to have problems but not > these. > > 1. Activator.java is getting an error saying it can’t find the Log4jPlugins > class. However, after the compile fails you can clearly see the generated > class in the appropriate directory. I have created > https://issues.apache.org/jira/browse/MCOMPILER-461 > <https://issues.apache.org/jira/browse/MCOMPILER-461> for this problem. > 2. I get 4 of these warnings > [WARNING] > /Users/rgoers/projects/apache/logging/log4j/logging-log4j2/log4j-core/src/main/java/org/apache/logging/log4j/core/Filter/package-info.java:[24,37] > a package-info.java file has already been seen for package > org.apache.logging.log4j.core.filter > Notice that the filter package is capitalized in the message. That directory > is lower case on the file system. > 3. I get many errors like > [ERROR] > /Users/rgoers/projects/apache/logging/log4j/logging-log4j2/log4j-core/src/main/java/org/apache/logging/log4j/core/Filter/StructuredDataFilter.java:[46,13] > error: duplicate class: > org.apache.logging.log4j.core.filter.StructuredDataFilter > Once again, notice that “Filter” is capitalized. This error seems to occur > for every class in the filter, appender, and layout directory, each of which > has an interface with the same package and name except the interface is > capitalized while the directory and package are not. > These errors go away with javac from Java 12 and above. > I have reported a bug with the OpenJDK compiler project for these. > If you want to take a look I have pushed the changes to the > module-compile-fails branch. Simply moving the module-info.java file out of > the source directory will cause the compile to succeed. > Ralph > > >