This Jira has been LDAP enabled, if you are an ASF Committer, please use your LDAP Credentials to login. Any problems email email@example.com
The case is described at SOLR-9639. It's clear why core removing is stuck, but it's not clear what causes a bunch of requests, which seem like /get, that flood the heap. To reproduce, just rollback SOLR-9639 commit and run ant test line from there.