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Are there good documentation on how to use `@Post` usin kotless dsl?

I want to know specifically how to handle form parameters or json body text

For deserialization of parameters you can use: <https://github.com/JetBrains/kotless/wiki/Kotless-HTTP-API#serialization>

To get body you can access context directly: <https://github.com/JetBrains/kotless/wiki/Kotless-HTTP-API#context>

Here is an example of `Get` handlers, but post would work the same way: <https://github.com/JetBrains/kotless/blob/master/examples/kotless/shortener/src/main/kotlin/io/kotless/examples/page/Shortener.kt#L9>

can you help me make sense of this error
```java.lang.IllegalStateException: STREAMED
	at org.eclipse.jetty.server.Request.getReader(Request.java:1178)
	at io.kotless.local.handler.DynamicHandler.handle(DynamicHandler.kt:40)
	at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:59)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.Server.handle(Server.java:501)
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:135)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
	at java.base/java.lang.Thread.run(Thread.java:834)```

it happens when i add a form url encoded parameter.

Hm, most likely the problem is here: <https://github.com/JetBrains/kotless/blob/master/dsl/kotless/lang-local/src/main/kotlin/io/kotless/local/handler/DynamicHandler.kt#L40>

Is you repository open? Or do you have any reproducible example

It is possible that I have misconfigured Jetty for local start here. Most likely you would not get this problem during cloud run

The problem itself is that for some reason request stream was read two times.

oh, thanks for the help, it works when using json body. i'll stick to it for a while and try running in cloud for forms