brianloss commented on a change in pull request #1891:
URL: https://github.com/apache/accumulo/pull/1891#discussion_r567317094
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File path: server/manager/src/main/java/org/apache/accumulo/master/Master.java
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@@ -1686,4 +1741,56 @@ public boolean isActiveService() {
return masterInitialized.get();
}
+ @SuppressWarnings("deprecation")
+ void initializeBalancer() {
+
+ // Try to initialize the defined balancer as the updated TabletBalancer
class first. If that
+ // fails with a ClassCastException, it means the property is specified as
the deprecated
+ // balancer type, so initialize it instead. If we still end up with no
balancer, then use
+ // DefaultLoadBalancer.
+ try {
+ tabletBalancer =
Property.createInstanceFromPropertyName(getConfiguration(),
+ Property.TABLE_LOAD_BALANCER, TabletBalancer.class, null);
+ } catch (ClassCastException e) {
+ // ignore -- this means that the deprecated balancer type was used
Review comment:
The try/catch will go away when I finish changing the old TabletBalancer
to implement the new SPI balancer interface.
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