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micronaut-projects / micronaut-aws

Projects specific to integrating Micronaut and Amazon Web Services (AWS)
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No bean of type [io.micronaut.jackson.codec.JsonMediaTypeCodec] exists #26

Closed aarthisankaran closed 5 years ago

aarthisankaran commented 5 years ago

Trying to use the example: micronaut-aws/examples/api-proxy-graal-custom-runtime-example/

I am forced to use micronautVersion=1.1.0.M2

if not I get the error - Could not find or load main class io.micronaut.graal.reflect.GraalClassLoadingAnalyzer

But with 1.1.0.M2 deployed to Lambda I get below error { "errorMessage": "Error starting Micronaut container: No bean of type [io.micronaut.jackson.codec.JsonMediaTypeCodec] exists. Ensure the class is declared a bean and if you are using Java or Kotlin make sure you have enabled annotation processing." }

mrwilby commented 5 years ago

This seems to be the same issue as https://github.com/micronaut-projects/micronaut-core/issues/1533 ?

@graemerocher is there any workaround for this? We're seeing the same issue...

graemerocher commented 5 years ago

Please can you use the latest release. Graal support changed significantly between 1.1.0 M2 and the now released 1.1.0 GA

graemerocher commented 5 years ago

I have removed these old examples. If you wish to do create a new example use the CLI instead:

$ mn create-app myapp --features aws-api-gateway-graal
$ cd myapp 
$ mn create-controller foo
aarthisankaran commented 5 years ago

What version of the cli should I be using?

Thanks!

On Mon, Apr 15, 2019 at 11:18 AM Graeme Rocher notifications@github.com wrote:

I have removed these old examples. If you wish to do create a new example use the CLI instead:

$ mn create-app myapp --features aws-api-gateway-graal $ cd myapp $ mn create-controller foo

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graemerocher commented 5 years ago

Using 1.1.0

aarthisankaran commented 5 years ago

It works!!! One last question as I am working on proving that we should start using micronaut for serverless microservices.

Should I use lambda FunctionBean or should I be using controller? There will be several GET/POST method etc.

On Mon, Apr 15, 2019 at 12:25 PM Graeme Rocher notifications@github.com wrote:

Using 1.1.0

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graemerocher commented 5 years ago

If your intention is to use GraalVM then you don't have much choice and only the API gateway / controller approach works because it is based on the Lambda custom runtime API

aarthisankaran commented 5 years ago

We have to use our internal gateway at Capital One. We have a place for transformation which I am trying to get details on how the custom payload for Lambda will look like.

I see that the micronaut lambda handler takes "path", "httpMethod" when I tried hitting the payload. Where can I get a full list, and if it has to be "method" instead of "httpMethod", is it possible to override?

On Tue, Apr 16, 2019 at 2:15 AM Graeme Rocher notifications@github.com wrote:

If your intention is to use GraalVM then you don't have much choice and only the API gateway / controller approach works because it is based on the Lambda custom runtime API

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aarthisankaran commented 5 years ago

@graemerocher when you have a moment can you respond to this query

graemerocher commented 5 years ago

@aarthisankaran sorry for the late reply. I have been away. Micronaut uses Amazon's standard serverless Java container support. The model of the payload is defined here https://github.com/awslabs/aws-serverless-java-container/tree/master/aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/model

For the request https://github.com/awslabs/aws-serverless-java-container/blob/master/aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/model/AwsProxyRequest.java is used for example.

I hope that answers your question.

athkalia commented 3 years ago

May help future readers:

I was getting the same error with a non-native GraalVM app because I forgot to add the 

shadowJar {
    mergeServiceFiles()
}

ShadowJar Gradle plugin configuration in my build.gradle file.