If you are migrating from JDeveloper 12.1.x (which required JDK 7), you cannot simply switch the target runtime. You must:
Even with these flags, the embedded WebLogic Server domain builder will crash. ADF’s visual editors will throw exceptions. The risk of data corruption is high. jdeveloper 12.2.1.4 java version
Note: If you need to develop for Jakarta EE / Java EE 8+ or run on Java 11/17, you should look at 's successor tools, such as Oracle WebLogic Server 14c or migrating to Apache NetBeans/IntelliJ IDEA combined with WebLogic plugins. If you are migrating from JDeveloper 12
Expected output snippet: