When I am trying to create Enums, my eclipse IDE keeps on giving error: The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files.

CodePudding user response：

It is a known bug, please try to update to the latest version.

https://bugs.openjdk.java.net/browse/JDK-8155223 Accordind to this site: This should be resolved by upgrading to latest versions of Tomcat.