milleruntime commented on a change in pull request #2233:
URL: https://github.com/apache/accumulo/pull/2233#discussion_r690388163
##########
File path:
server/base/src/main/java/org/apache/accumulo/server/ServerContext.java
##########
@@ -279,4 +300,137 @@ public Ample getAmple() {
public Set<String> getRecoveryDirs() {
return serverConstants.getRecoveryDirs();
}
+
+ /**
+ * Check to see if this version of Accumulo can run against or upgrade the
passed in data version.
+ */
+ public static void ensureDataVersionCompatible(int dataVersion) {
+ if (!(ServerConstants.CAN_RUN.contains(dataVersion))) {
+ throw new IllegalStateException("This version of accumulo (" +
Constants.VERSION
+ + ") is not compatible with files stored using data version " +
dataVersion);
+ }
+ }
+
+ public void waitForZookeeperAndHdfs() {
+ log.info("Attempting to talk to zookeeper");
+ while (true) {
Review comment:
I agree. I looked at this and I am not even sure if getChildren() will
return null or empty list so I am going to just leave it.
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