Oct 25, 2019 11:29 AM in response to dgmelvin In response to dgmelvin. Java SE6 will not run on Catalina. You will need to have the App supplier issue an update or return to Mojave like many users probably have. Oct 25, 2019 11:29 AM. Reply Helpful (3) Thread reply - more options. Link to this Post. Using Java SE on macOS Catalina With macOS 10.15, Apple introduced new application security checks, which are used by Gatekeeper to verify the contents of distributed software. When you install or run software for the first time, Gatekeeper verifies that the software has been notarized.
According to https://java.com/en/download/faq/java_mac.xml , Java 6 has been disabled by Apple on MacOS. You should probably try Java 7 from the java.com or oracle.com sites.
Sep 01, 2019 Java 6 runtime 'legacy version' for MacOS Catalina. Thank you for not only fixing the Catalina Java problems with your script suggestions, but helping me to get. Logisim is not working after Catalina update. To open “Logisim” you need to install the legacy Java SE 6 runtime. Java is not showing on the System Preference. But in terminal it showing I have java 13.
To select another version of Java, you have to set environmental variables
After running these statements
BradleyRossMacBook:~ bradleyross$ java -version
java version '1.8.0_121'
Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
Dec 16, 2019 3:57 AM