maven - Java Bytecode BUG: Packages get compiled twice -

maven - Java Bytecode BUG: Packages get compiled twice -

i got weirdest bug ever. whenever seek edit bytecode of programme write, or maven shade plugin adds packages jar file after compile, folder compiled , set in jar twice. heres image of it: screenshot

when unzip files, appear folder , can open them using windows explorer. programs still work, weird create programs public files/folders within jar. bug not appear using maven.

i tried reinstall jdk , jre, i'm on windows technical preview on same pc on hard drive , still happens both on windows 7 , windows technical preview (10). have ideas might prepare bug?

java maven edit bytecode