Json format Exception,MalformedJsonException

[confluentinc]

Json format Exception,MalformedJsonException

[fernandoabcampos]

Hi, @lbh375441316
Did you manage to solve this issue?
Thanks,

[ewencp]

Hard to say what the issue is since this this is coming from the underlying library and indicates that ES is returning an invalid JSON response. Are there any other messages in the log before the exception? Without more info about what is being returned in the request it'll be hard to get to the root cause.

[chaokunyang]

I had the same problem. It is the problem of jest client version and es version in my project. Jest client used in connector is 2.0.0, it doesn't support es 5.x, ex: create index in ex5.x use put not post. So I can't get more info about what is being returned in the request, because jest directly parse the reponse and don't catch not checked exception:
io.searchbox.action.AbstractAction#parseResponseBody(line 98)

 protected JsonObject parseResponseBody(String responseBody) {
        if (responseBody == null || responseBody.trim().isEmpty()) {
            return new JsonObject();
        }

        JsonElement parsed = new JsonParser().parse(responseBody);
        if (parsed.isJsonObject()) {
            return parsed.getAsJsonObject();
        } else {
            throw new JsonSyntaxException("Response did not contain a JSON Object");
        }
    }

if parse like this,there will be more logs:

        JsonElement parsed;
        try {
            parsed  = new JsonParser().parse(responseBody);
        }catch (JsonSyntaxException e) {
            throw new RuntimeException("Can't parse response[" + responseBody + "]", e);
        }

[novakov-alexey-zz]

I had similar issue a couple of month ago when moving to new ES version. Try to use
jestVersion = "2.4.0"
"io.searchbox" % "jest" % jestVersion

[levzem]

closing because connector runs on newer jest version now