Public signup for this instance is disabled. Go to our Self serve sign up page to request an account.
As seen on anchela's analysis on OAK-6318, this is one of the issues blocking the move.
[0] https://issues.apache.org/jira/browse/OAK-6318?focusedCommentId=16164431&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16164431
OAK-6318 Refactor oak.spi.security into a separate module/bundle