@@ -340,7 +340,10 @@ private static boolean isResolvableObjectRec(
 
   public static boolean isPrimitive(Object val) {
     return (
-      val == null || Primitives.isWrapperType(val.getClass()) || val instanceof String
+      val == null ||
+      Primitives.isWrapperType(val.getClass()) ||
+      val instanceof String ||
+      val instanceof Number
     );
   }
 
 
@@ -25,6 +25,7 @@
 import com.hubspot.jinjava.tree.parse.TokenScannerSymbols;
 import com.hubspot.jinjava.util.EagerExpressionResolver.EagerExpressionResult;
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.time.Instant;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
@@ -914,4 +915,10 @@ public <T extends Appendable & CharSequence> T appendPyishString(T appendable)
       throw new DeferredValueException("Can't serialize");
     }
   }
+
+  @Test
+  public void itCountsBigDecimalAsPrimitive() {
+    assertThat(EagerExpressionResolver.isResolvableObject(new BigDecimal("2.1E7")))
+      .isTrue();
+  }
 }
Original file line number	Diff line number	Diff line change
@@ -25,6 +25,7 @@
25	25	import com.hubspot.jinjava.tree.parse.TokenScannerSymbols;
26	26	import com.hubspot.jinjava.util.EagerExpressionResolver.EagerExpressionResult;
27	27	import java.io.IOException;
	28	+ import java.math.BigDecimal;
28	29	import java.time.Instant;
29	30	import java.time.ZoneId;
30	31	import java.time.ZonedDateTime;
@@ -914,4 +915,10 @@ public <T extends Appendable & CharSequence> T appendPyishString(T appendable)
914	915	throw new DeferredValueException("Can't serialize");
915	916	}
916	917	}
	918	+
	919	+ @Test
	920	+ public void itCountsBigDecimalAsPrimitive() {
	921	+ assertThat(EagerExpressionResolver.isResolvableObject(new BigDecimal("2.1E7")))
	922	+ .isTrue();
	923	+ }
917	924	}