module com.A does not "opens com.B" to unnamed module & --add-opens com.A/com.B=ALL-UNNAMED
JDK17：module java.base does not “opens java.lang.reflect“ to unnamed module --add-opens java.base/java.lang.reflect=ALL-UNNAMED Run/Debug Configurations->Configuration-> VM options: --add-opens java.base/java.lang.reflect=ALL-UNNAMED Example 02 Unable to make public java.lang.String com.d.s.f.TestFastJson$Person.getName() accessible: module com.d.s does not "opens com.d.s.f " to unnamed module @6af93788 go to -> Run/Debug Configurations->Configuration-> VM options: --add-opens java.base/java.lang.reflect=ALL-UNNAMED --add-opens com.d.s / com.d.s.f =ALL-UNNAMED Reference: h ttps://www.cnblogs.com/stcweb/articles/15114266.html h ttps://www.cnblogs.com/stcweb/articles/15114266.html https://blog.csdn.net/cs779193543/article/details/121502196