dhalperi / shading-demo

A simple demo of a shading bug and/or misconfiguration

To run:

1. Run it the "direct" way, where it works.

    mvn compile exec:java -Dexec.mainClass=org.apache.demo.module_with_properties.ReadProperties -pl module_with_properties
   

This should work, and print {key=value}.

1. Run it after shading, where it will fail.

    mvn clean package
    java -cp shading/target/shading-1.0-SNAPSHOT.jar org.apache.demo.module_with_properties.ReadProperties
   

This should fail with an error that it can't find a repackaged properties file: Exception in thread "main" java.lang.RuntimeException: /org/apache/demo/shading/repackaged/org/apache/demo/module_with_properties/some.properties

1. Look at the actual shaded jar.

    jar tf shading/target/shading-1.0-SNAPSHOT.jar | grep -i properties
   

You will see that the files themselves were not moved.

If you look around more, you will see that Avro was shaded. (It's just there as a sanity check.)