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https://issues.apache.org/jira/browse/FLUME-2126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350602#comment-14350602
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Jarek Jarcec Cecho commented on FLUME-2126:
-------------------------------------------
Since the patch on this JIRA has been committed and not reverted, might I
suggest to either:
1) Resolve this JIRA and move the open questions to subsequent discussion
2) Revert the committed patch
> Problem in elasticsearch sink when the event body is a complex field
> --------------------------------------------------------------------
>
> Key: FLUME-2126
> URL: https://issues.apache.org/jira/browse/FLUME-2126
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Environment: 1.3.1 and 1.4
> Reporter: Massimo Paladin
> Attachments: FLUME-2126-0.patch
>
>
> I have found a bug in the elasticsearch sink, the problem is in the
> {{ContentBuilderUtil.addComplexField}} method, when it does
> {{builder.field(fieldName, tmp);}} the {{tmp}} object is taken as {{Object}}
> with the result of being serialized with the {{toString}} method in the
> {{XContentBuilder}}. In the end you get the object reference as content.
> The following change workaround the problem for me, the bad point is that it
> has to parse the content twice, I guess there is a better way to solve the
> problem but I am not an elasticsearch api expert.
> {code}
> ---
> a/flume-ng-sinks/flume-ng-elasticsearch-sink/src/main/java/org/apache/flume/sink/elasticsearch/ContentBuilderUtil.java
> +++
> b/flume-ng-sinks/flume-ng-elasticsearch-sink/src/main/java/org/apache/flume/sink/elasticsearch/ContentBuilderUtil.java
> @@ -61,7 +61,12 @@ public class ContentBuilderUtil {
> parser = XContentFactory.xContent(contentType).createParser(data);
> parser.nextToken();
> tmp.copyCurrentStructure(parser);
> - builder.field(fieldName, tmp);
> +
> + // if it is a valid structure then we include it
> + parser = XContentFactory.xContent(contentType).createParser(data);
> + parser.nextToken();
> + builder.field(fieldName);
> + builder.copyCurrentStructure(parser);
> } catch (JsonParseException ex) {
> // If we get an exception here the most likely cause is nested JSON
> that
> // can't be figured out in the body. At this point just push it through
> {code}
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