<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">New schema change management code was introduced in hawkular-metrics 0.15.0. There were some bugs that break upgrades. Upgrading with 0.15.0 and 0.16.0 will not work. A few people have run into this. I have already submitted a PR with the fixes to be included in the next release. The ticket for this is <a href="https://issues.jboss.org/browse/HWKMETRICS-425" class="">https://issues.jboss.org/browse/HWKMETRICS-425</a>.<div class=""><br class=""></div><div class="">- John</div></body></html>