killbill-memoizeit

diff --git a/jaxrs/src/main/java/com/ning/billing/jaxrs/mappers/InvoiceApiExceptionMapper.java b/jaxrs/src/main/java/com/ning/billing/jaxrs/mappers/InvoiceApiExceptionMapper.java
index 85c3bb2..01c3bda 100644
--- a/jaxrs/src/main/java/com/ning/billing/jaxrs/mappers/InvoiceApiExceptionMapper.java
+++ b/jaxrs/src/main/java/com/ning/billing/jaxrs/mappers/InvoiceApiExceptionMapper.java
@@ -58,6 +58,10 @@ public class InvoiceApiExceptionMapper extends ExceptionMapperBase implements Ex
             return buildNotFoundResponse(exception, uriInfo);
         } else if (exception.getCode() == ErrorCode.INVOICE_TARGET_DATE_TOO_FAR_IN_THE_FUTURE.getCode()) {
             return buildBadRequestResponse(exception, uriInfo);
+        } else if (exception.getCode() == ErrorCode.CREDIT_AMOUNT_INVALID.getCode()) {
+            return buildBadRequestResponse(exception, uriInfo);
+        } else if (exception.getCode() == ErrorCode.INVOICE_ITEM_ADJUSTMENT_AMOUNT_INVALID.getCode()) {
+            return buildBadRequestResponse(exception, uriInfo);
         } else {
             return buildBadRequestResponse(exception, uriInfo);
         }