Simplify ElasticsearchException rendering as a XContent (#22611)

This commit tries to simplify the way ElasticsearchException are rendered to xcontent. It adds some documentation and renames and merges some methods. Current behavior is preserved, the goal is to be more readable and centralize everything in the ElasticsearchException class.

1 files changed, 1 insertions, 1 deletions

diff --git a/modules/lang-mustache/src/main/java/org/elasticsearch/script/mustache/MultiSearchTemplateResponse.java b/modules/lang-mustache/src/main/java/org/elasticsearch/script/mustache/MultiSearchTemplateResponse.java
index bd7ef2bc51..37d72ac4c0 100644
--- a/modules/lang-mustache/src/main/java/org/elasticsearch/script/mustache/MultiSearchTemplateResponse.java
+++ b/modules/lang-mustache/src/main/java/org/elasticsearch/script/mustache/MultiSearchTemplateResponse.java
@@ -152,7 +152,7 @@ public class MultiSearchTemplateResponse extends ActionResponse implements Itera
         for (Item item : items) {
             if (item.isFailure()) {
                 builder.startObject();
-                ElasticsearchException.renderException(builder, params, item.getFailure());
+                ElasticsearchException.generateFailureXContent(builder, params, item.getFailure(), true);
                 builder.endObject();
             } else {
                 item.getResponse().toXContent(builder, params);