WIP

core/src/main/java/org/apache/accumulo/core/clientImpl/InstanceOperationsImpl.java

@@ -275,7 +275,7 @@ public List<ActiveCompaction> getActiveCompactions(String tserver)
       throws AccumuloException, AccumuloSecurityException {
     // ELASTICITY_TODO may need to deprecate this method in 3.x and remove it 4.0. Tservers no
     // longer run compactions.
-    throw new UnsupportedOperationException();
+    return List.of();
   }
 
   @Override

core/src/main/java/org/apache/accumulo/core/manager/balancer/TabletStatisticsImpl.java

@@ -48,7 +48,7 @@ public long getNumEntries() {
   @Override
   public long getSplitCreationTime() {
     // ELASTICITY_TODO look into what needs to be done to remove this from SPI
-    throw new UnsupportedOperationException();
+    return 0;
   }
 
   @Override

core/src/main/java/org/apache/accumulo/core/metadata/schema/ExternalCompactionMetadata.java

@@ -89,21 +89,6 @@ public Long getFateTxId() {
     return fateTxId;
   }
 
-  // ELASTICITY_TODO remove this code when removing compaction code from tserver
-  public Set<StoredTabletFile> getNextFiles() {
-    throw new UnsupportedOperationException();
-  }
-
-  // ELASTICITY_TODO remove this code when removing compaction code from tserver
-  public boolean getInitiallySelecteAll() {
-    throw new UnsupportedOperationException();
-  }
-
-  // ELASTICITY_TODO remove this code when removing compaction code from tserver
-  public Long getCompactionId() {
-    throw new UnsupportedOperationException();
-  }
-
   // This class is used to serialize and deserialize this class using GSon. Any changes to this
   // class must consider persisted data.
   private static class GSonData {