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java.net.ConnectException: Connection timed out

Some strange error occurs early in the startup process of instances requiring Java 17 or later. Prism Launcher version: 8.4 (official) Launched instance in online ...
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java.net.ConnectException: Connection refused

OpenJDK Runtime Environment (build 11.0.23+9-post-Ubuntu-1ubuntu122.04.1) OpenJDK 64-Bit Server VM (build 11.0.23+9-post-Ubuntu-1ubuntu122.04.1, mixed mode, sharing) h2o.init(max_mem_size="20G") # ...