handle NaN / Infinity values

processing/src/main/java/io/druid/query/aggregation/DoubleSumAggregatorFactory.java

@@ -88,6 +88,10 @@ public class DoubleSumAggregatorFactory implements AggregatorFactory
   @Override
   public Object deserialize(Object object)
   {
+    // handle "NaN" / "Infinity" values serialized as strings in JSON
+    if (object instanceof String) {
+      return Double.parseDouble((String) object);
+    }
     return object;
   }
 

processing/src/main/java/io/druid/query/aggregation/JavaScriptAggregatorFactory.java

@@ -139,6 +139,10 @@ public class JavaScriptAggregatorFactory implements AggregatorFactory
   @Override
   public Object deserialize(Object object)
   {
+    // handle "NaN" / "Infinity" values serialized as strings in JSON
+    if (object instanceof String) {
+      return Double.parseDouble((String) object);
+    }
     return object;
   }
 

processing/src/main/java/io/druid/query/aggregation/MaxAggregatorFactory.java

@@ -85,6 +85,7 @@ public class MaxAggregatorFactory implements AggregatorFactory
   @Override
   public Object deserialize(Object object)
   {
+    // handle "NaN" / "Infinity" values serialized as strings in JSON
     if (object instanceof String) {
       return Double.parseDouble((String) object);
     }

processing/src/main/java/io/druid/query/aggregation/MinAggregatorFactory.java

@@ -85,6 +85,7 @@ public class MinAggregatorFactory implements AggregatorFactory
   @Override
   public Object deserialize(Object object)
   {
+    // handle "NaN" / "Infinity" values serialized as strings in JSON
     if (object instanceof String) {
       return Double.parseDouble((String) object);
     }