Hi Chirag, yeah that exactly is the question - it shouldn't be that way.

If we change Camel version in the pom.xml to Camel 2.24, it'll work as expected: the POST payload will be parsed into java.util.Map and the Json will be generated (instead of "null").

So the question is -- how do i fix it for camel 3.20.4?

On 13.06.2023 18:04, Chirag wrote:
Hi Fyodor,
I ran it in IntelliJ thru 3.20.4

after submitting page - i got

json: null, and string:login=usrename&password=password


ચિરાગ/चिराग/Chirag
------------------------------------------
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On Mon, Jun 12, 2023 at 7:35 AM Fyodor Kravchenko <feddkr...@hotmail.com> wrote:
Hello people,

any ideas how to fix the issue below?

-- fedd

On 09.06.2023 18:15, Fyodor Kravchenko wrote:
Hello,

I've used to rely on this function in older Camel, when I was able to
deserialize a regular web form POST stream into a generic
java.util.Map, I mean, this used to parse the form data (not
multipart, just regular) and convert into a Map:

Map map = http.getBody(Map.class);

This is my test code snippet that I compile and run on Java 19 of
GraalVM:

```

                         HttpMessage http =
exchange.getIn(HttpMessage.class);
                         HttpServletRequest request = http.getRequest();
                         String method = request.getMethod();
                         if ("POST".equals(method) ||
"PUT".equals(method)) {
                             Map map = http.getBody(Map.class);
                             String string = http.getBody(String.class);
                             http.setHeader(Exchange.CONTENT_TYPE,
"text/plain");
                             http.setBody("json: " +
mapper.writeValueAsString(map) + ", and string:" + string);
                         } else {
                             http.setHeader(Exchange.CONTENT_TYPE,
"text/html");
http.setBody(this.getClass().getResourceAsStream("form.html"));
                         }
```

I've created a test project to make sure it works on Camel 2.24 and
doesn't in 3.20.4:

https://github.com/fedd/cameljettyformmap/tree/main/cameljettyformmap

I had to add `javax.activation` for the 2.24 version to run, but
unfortunately that didn't fix the 3.20.4 (See the pom.xml in the
github link)

What do I have to do to make it work in 3.20.4?

$ java --version
openjdk 19.0.1 2022-10-18
OpenJDK Runtime Environment GraalVM CE 22.3.0 (build
19.0.1+10-jvmci-22.3-b08)
OpenJDK 64-Bit Server VM GraalVM CE 22.3.0 (build
19.0.1+10-jvmci-22.3-b08, mixed mode, sharing)

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