SDKMAN 5.5.9+231 says package is not a valid candidate on MacOS

Question

I have no idea why this started happening, but my SDKMAN stopped working and only displays the following message for whatever package I want to list, install, or use.

$ sdk list java

Stop! java is not a valid candidate.

$ sdk install java

Stop! java is not a valid candidate.

$ sdk use java 8u131

Stop! java is not a valid candidate.

Just typing sdk list works, though. But I can't do anything. My .bash_profile contains the following:

export JAVA_HOME=$(/usr/libexec/java_home)

export SDKMAN_DIR="/Users/myusername/.sdkman"
[[ -s "/Users/myusername/.sdkman/bin/sdkman-init.sh" ]] && source "/Users/myusername/.sdkman/bin/sdkman-init.sh"

Answer 1

The problem was on the server side. Something to do with SDKMAN's Candidates API. As pointed out in the GitHub issue, you can get over the problem using the following command:

sdk flush candidates

Make sure to restart your terminal after that.

Answer 2

Also double check if you put the target sdk in front of the version. This won't work:

sdk install 9.0.4-openjdk

Stop! 9.0.4-openjdk is not a valid candidate.

Specifying it correctly works:

sdk install java 9.0.4-openjdk