Caused by: java.lang.Error: Unresolved compilation problems: Unhandled exception type DirectoryException Unhandled exception type DirectoryException ...

It's not Eclipse problem. I compile my project the compiler does not throw any error, too. but in runtime, throw java.lang.Error: Unresolved compilation problem: I used java 1.7.0_21, okhttp3 3.12.12, ...

データベース接続時に発生するエラー「java.lang.NoSuchFieldError」または「java.lang.StackOverflowError」の原因と対処について Symfoware Server (Native Interface)のよくあるご質問 を検索できます。

In this article, we're talking about the Java: Error: Release version 17 not supported error and what you can do to fix the problem.