buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -eux; apt-get update; apt-get install -y --no-install-recommends xmlstarlet ; rm -rf /var/lib/apt/lists/*; curl -Ls \"https://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-8.1.0.tar.gz\" | tar -xz --directory \"${CONFLUENCE_INSTALL_DIR}/confluence/WEB-INF/lib\" --strip-components=1 --no-same-owner \"mysql-connector-java-8.1.0/mysql-connector-java-8.1.0.jar\"" did not complete successfully: exit code: 2