kevinrr888 commented on code in PR #6072:
URL: https://github.com/apache/accumulo/pull/6072#discussion_r2729410915


##########
minicluster/src/main/java/org/apache/accumulo/miniclusterImpl/MiniAccumuloClusterImpl.java:
##########
@@ -789,7 +789,18 @@ List<ProcessReference> references(Process... procs) {
   public Map<ServerType,Collection<ProcessReference>> getProcesses() {
     Map<ServerType,Collection<ProcessReference>> result = new HashMap<>();
     MiniAccumuloClusterControl control = getClusterControl();
-    result.put(ServerType.MANAGER, references(control.managerProcess));
+    if (control.managerProcess != null) {
+      result.put(ServerType.MANAGER, references(control.managerProcess));
+    }
+    if (control.coordinatorProcess != null) {
+      result.put(ServerType.COMPACTION_COORDINATOR, 
references(control.coordinatorProcess));
+    }
+    result.put(ServerType.COMPACTOR,
+        references(control.compactorProcesses.toArray(new Process[0])));
+    result.put(ServerType.SCAN_SERVER,
+        references(control.scanServerProcesses.toArray(new Process[0])));
+    result.put(ServerType.TABLET_SERVER,
+        references(control.tabletServerProcesses.toArray(new Process[0])));

Review Comment:
   Could make this more future-proof by iterating through all `ServerType`s and 
using a switch statement



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