javac-shaded-9+181-r4173-1.pom maven cannot access
https://repo1.maven.org/maven2/com/google/errorprone/javac-shaded/9+181-r4173-1/javac-shaded-9+181-r4173-1.jar Download javac-shaded from this address -9+181-r4173-1.jar, temporarily put it in the d:\doc directory, and then execute the installation dependency package command in the d:\doc directory as follows:
mvn install:install-file -DgroupId=com.google.errorprone -DartifactId=javac-shaded -Dversion=9+181-r4173-1 -Dpackaging=jar -Dfile=./javac-shaded-9+181-r4173-1.jar