qidaye commented on code in PR #9895:
URL: https://github.com/apache/doris/pull/9895#discussion_r910727643
##########
fe/fe-core/src/main/java/org/apache/doris/external/elasticsearch/QueryBuilders.java:
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@@ -172,19 +183,65 @@ abstract static class QueryBuilder {
* @throws IOException if IO error occurred
*/
abstract void toJson(JsonGenerator out) throws IOException;
+
+ /**
+ * Convert query to JSON format and catch error.
+ **/
+ public String toJson() {
+ StringWriter writer = new StringWriter();
+ try {
+ JsonGenerator gen =
mapper.getFactory().createGenerator(writer);
+ this.toJson(gen);
+ gen.flush();
+ gen.close();
+ } catch (IOException e) {
+ LOG.warn("QueryBuilder toJson error");
Review Comment:
The error should print to warn log.
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