Send a JSON

[Игорь Хмелевский]

 

I am trying to use AsyncHttpClient to make a JSON request. I tried to use several implementations, including setBody and addBodyPart, and many more. The result is always the same.

It should send a string like this converted to bytes:

{"template":"c=KZ;o=Template;cn=GOST_RAUTIL_USER_1Y;","useHSM":"true","altAttrs":{"altDN":["CN=Test org1, SERIALNUMBER=1111111111","CN=Test org2, SERIALNUMBER=2222222222"]},"keyName":"XkjCPFLfvJCUYktH","dn":"C=KZ, O=TEST, CN= XkjCPFLfvJCUYktH","internalHSMkey":"true"}

But somehow it converts the request into this:

..an ip address.. POST headers: Content-Type:application/json Authorization:Basic SWdvcjpHYW1tYTIwMTk=

So the server gets a wrong request and responses with an error meessage:

A JSONObject text must begin with '{' at 0 [character 1 line 1] json:

Here is one of my code implementations:

String req = jsonObject.toString();
byte[] req1 = req.getBytes();
ByteArrayPart request1 = new ByteArrayPart(req, req1);

Request request = new RequestBuilder(POST)
        .setUrl(apiUrl)
        .addHeader("Content-Type", "application/json")
        .addHeader("Authorization", "Basic " + DatatypeConverter.printBase64Binary(userPassword.getBytes()))
        .addBodyPart(request1)
        .build();

asyncHttpClient.executeRequest(request, new AsyncCompletionHandlerBase() {
    @Override
    public void onThrowable(Throwable t) {
    }

    @Override
    public org.asynchttpclient.Response onCompleted(org.asynchttpclient.Response response) throws Exception {
        System.out.println("COMPLETED");
        return super.onCompleted(response);
    }
});

I got an answer by slandelle on GitHub:

Parts are for multipart encoding. You must set a full body.

Well, I tried to do that as well:

Request request = new RequestBuilder(POST)
        .setUrl(apiUrl)
        .addHeader("Content-Type", "application/json")
        .addHeader("Authorization", "Basic " + DatatypeConverter.printBase64Binary(userPassword.getBytes()))
        .setBody(jsonObject.toString().getBytes())
        .build();

 

The result is the same. It just sends this line

POST headers: Content-Type:application/json Authorization:Basic SWdvcjpHYW1tYTIwMTk=

instead of 

{"template":"c=KZ;o=Template;cn=GOST_RAUTIL_USER_1Y;","useHSM":"true","altAttrs":{"altDN":["CN=Test org1, SERIALNUMBER=1111111111","CN=Test org2, SERIALNUMBER=2222222222"]},"keyName":"XkjCPFLfvJCUYktH","dn":"C=KZ, O=TEST, CN= XkjCPFLfvJCUYktH","internalHSMkey":"true"}

[slan...@gatling.io]

AHC doesn’t log binary data, it doesn’t mean it’s not sent.

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[Игорь Хмелевский]

Alright then. 

Still, it says that JSONObject is wrong, but if I send it with a common httpURLConnection - it works fine.

And can't find out why it happens and how to solve that.

How can I see what AHC really sends if it doesn't log the data?

понедельник, 1 июля 2019 г., 12:36:02 UTC+6 пользователь Stéphane LANDELLE написал:

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[slan...@gatling.io]

Why do you insist on sending a binary payload if what you have is a String?

If server says your payload is malformed, it most likely mean you do have a typo.

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[Игорь Хмелевский]

See, the server gets data in bytes. So I send the data in bytes. 

Nevertheless, I tried to send it as String, like this .setBody(jsonObject.toString())
but it gives the same result.

And if I send the same jsonObject via httpURLConnection using OutputStream, it works well. So I think that there is no a typo in this jsonObject. I suppose it converts somewher in a wrong way.)

понедельник, 1 июля 2019 г., 12:49:54 UTC+6 пользователь Stéphane LANDELLE написал: