How To Solve Issues Related to Log – Input expected content type but read from headers; using expected one

How To Solve Issues Related to Log – Input expected content type but read from headers; using expected one

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Input expected content type but read from headers; using expected one” it’s important to understand a few problems related to Elasticsearch concepts plugin. See bellow important tips and explanations on these concepts

Log Context

Log”[{}] [{}] input expected content type [{}] but read [{}] from headers; using expected one” classname is ExecutableHttpInput.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             //Attempt to auto detect content type; if not set in response
            contentType = responseContentType != null ? responseContentType : XContentHelper.xContentType(response.body());
        } else {
            contentType = input.getExpectedResponseXContentType().contentType();
            if (responseContentType != contentType) {
                logger.warn("[{}] [{}] input expected content type [{}] but read [{}] from headers; using expected one"; type(); ctx.id();
                        input.getExpectedResponseXContentType(); responseContentType);
            }
        }

        if (contentType != null) {




Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Is The Correct Json Content Type  

Do I Send A Post Request As A Json  

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