EdColeman commented on code in PR #3160:
URL: https://github.com/apache/accumulo/pull/3160#discussion_r1099159063
##########
server/manager/src/main/java/org/apache/accumulo/manager/upgrade/UpgradeCoordinator.java:
##########
@@ -142,11 +145,17 @@ public synchronized void upgradeZookeeper(ServerContext
context,
"Not currently in a suitable state to do zookeeper upgrade %s",
status);
try {
- int cv = context.getServerDirs()
- .getAccumuloPersistentVersion(context.getVolumeManager().getFirst());
- ServerContext.ensureDataVersionCompatible(cv);
+ int cv = AccumuloDataVersion.getCurrentVersion(context);
this.currentVersion = cv;
+ int oldestVersion = upgraders.entrySet().iterator().next().getKey();
+ if (cv < oldestVersion) {
+ String oldRelease = dataVersionToReleaseName(oldestVersion);
+ throw new UnsupportedOperationException("Upgrading from a version less
than " + oldRelease
+ + " data version (" + oldestVersion + ") is not supported. Upgrade
to at least "
+ + oldRelease + " before upgrading to " + Constants.VERSION);
+ }
+
Review Comment:
I'll need to check - but pretty sure that during development I had a bad
version set and the errors in the logs prompted me to put this in. Maybe
because I and the new data version implements I was able to get this far, but I
did reach the check.
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