Wildfly 20 fails to run “out-of-the-box” on Ubuntu 20
问题 Immediately after installing Wildfly 20 on a fresh Ubuntu 20 system my 1st attempt to run Wildfly crashes with a "Could not create server data directory: /opt/wildfly-20.0.1.Final/standalone/data" error. Here is the full dump: ========================================================================= JBoss Bootstrap Environment JBOSS_HOME: /opt/wildfly-20.0.1.Final JAVA: java JAVA_OPTS: -server -Xms64m -Xmx512m -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true