SDKMANでsdk list javaした際に「INTERNET NOT REACHABLE!」エラーが出た時の対処法

環境

• M1 Mac Pro
• プロキシ環境下でない

事象

SDKMANでsdk list javaした際に以下エラーが出る

 $ sdk list java      
==== INTERNET NOT REACHABLE! ===================================================

 Some functionality is disabled or only partially available.
 If this persists, please enable the offline mode:

   $ sdk offline

==============================================================================

対処法

# **~/.sdkman/etc/config**の以下パラメータを変更
$ vi ~/.sdkman/etc/config

sdkman_curl_connect_timeout=30
sdkman_curl_max_time=50

# 実行権限追加
$ chmod +x .sdkman/bin/sdkman-init.sh

# シェルを再起動
$ exec $SHELL -l