So my 1.13 project uses some libraries which have to be shaded in and whenever I use shadowjar on anything pre 1.13 works fine, however if I use this: 

shadowJar {
    minimize()
}

reobf {
    //noinspection GroovyMissingReturnStatement
    shadowJar {}
}

I get this error: 

> Task :mod-1-13-x:compileJava
> Task :mod-1-13-x:processResources
> Task :mod-1-13-x:classes
> Task :mod-1-13-x:jar
> Task :mod-1-13-x:downloadMcpConfig
> Task :mod-1-13-x:extractSrg
> Task :mod-1-13-x:createMcpToSrg
> Task :mod-1-13-x:reobfJar
> Task :mod-1-13-x:shadowJar
> Task :mod-1-13-x:reobfShadowJar FAILED

FAILURE: Build failed with an exception.

* What went wrong:
A problem was found with the configuration of task ':mod-1-13-x:reobfShadowJar'.
> No value has been specified for property 'mappings'.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.3/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 19s
19 actionable tasks: 19 executed
No value has been specified for property 'mappings'.
11:32:26 AM: Tasks execution finished 'clean build'.

 

Edited May 27, 20196 yr by fernthedev

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