Micronaut Kotlin: Rest Controllers not working - kotlin

I'm creating a simple application with 2 Rest Controllers with Kotlin. However, for every endpoint
the error is
{"message":"Not Found","_links":{"self":{"href":"
My inferences till now, for which I have searched for solutions and they didn't worked.
1.The generated folders are also empty. Might be an issue
As I have tried both IDE and command line. So, ruling out any issue from Idea
Tried to add a Java Controller in the project, but that also didn't run
Tried to use Micronaut annotations along with Spring Web annotations, didn't worked.
Is there anything else that I can change to make it work?
Ideally I would want to make it work with Kotlin and not Java.
Environment:
IDE - IntelliJ Idea 2020.2 Ultimate
Build - tried both Maven and Gradle, command line and IDE
EnableAnnotations: Done
Delegate Gradle Runner: Done
JDK: 11 ( but set as 8 in build file)
Update1 - Got few things working
Got the base code from Micronaut Launcher site
My Sample code
#RestController
#Validated
#RequestMapping("/hello")
open class UserController {
#Get("/echo")
fun echo():String{
return "hello"+ System.currentTimeMillis()
}
}
AOP is not working and thus had to use #Validated and open. The build.gradle has allOpen plugin.
#GetMapping should work as per https://micronaut-projects.github.io/micronaut-spring/latest/guide/#springMvc
I had to use Micronaut's #Get to make it working
Please help in fixing these 2 issues.

Related

Karate summary reports not showing all tested features after upgrade to 1.0.0

I have recently upgraded to version 1.0.0 from 0.9.6 and noticed that the generated karate-summary.html file, it doesn't display all the tested feature files in the JUnit 5 Runner unlike in 0.9.6.
What it displays instead was the last tested feature file only.
The below screenshots are from the provided SampleTest.java sample code (excluding other Tests for simplicity).
package karate;
import com.intuit.karate.junit5.Karate;
class SampleTest {
#Karate.Test
Karate testSample() {
return Karate.run("sample").relativeTo(getClass());
}
#Karate.Test
Karate testTags() {
return Karate.run("tags").relativeTo(getClass());
}
}
This is from Version 0.9.6.
And this one is from Version 1.0.0
However, when running the test below in 1.0.0, all the features are displayed in the summary correctly.
#Karate.Test
Karate testAll() {
return Karate.run().relativeTo(getClass());
}
Would anyone be kind to confirm if they are getting the similar result? It would be very much appreciated.
What it displays instead was the last tested feature file only.
This is because for each time you run a JUnit method, the reports directory is backed up by default. Look for other directories called target/karate-reports-<timestamp> and you may find your reports there. So maybe what is happening is that you have multiple JUnit tests that are all running, so you see this behavior. You may be able to over-ride this behavior by calling the method: .backupReportDir(false) on the builder. But I think it may not still work - because the JUnit runner has changed a little bit. It is designed to run one method at a time, when you are in local / dev-mode.
So the JUnit runner is just a convenience. You should use the Runner class / builder for CI execution, and when you want to run multiple tests and see them in one report: https://stackoverflow.com/a/65578167/143475
Here is an example: ExamplesTest.java
But in case there is a bug in the JUnit runner (which is quite possible) please follow the process and help the project developers replicate and then fix the issue to release as soon as possible.

ktor running fat jar throws java.lang.UnsupportedOperationException::Packages and file facades are not yet supported in Kotlin reflection

Below is the basic ktor file which is running properly from IDE but I created a fat jar file with "mvn install" and running it throws below exception:
Exception in thread "main" java.lang.UnsupportedOperationException: Packages and file facades are not yet supported in Kotlin reflection. Meanwhile please use Java reflection to inspect this class: class com.tech.ApplicationKt
fun main(args: Array<String>){
embeddedServer(Netty, 8080){
routing{
get("/demo"){
call.respondText("Hello demo")
}
}
}.start(wait = true)
}
I tried executing jar on Java 11 and 8 but I am getting same exception.
I just tried this out by following the official guide on ktor.io for setup with maven.
Afterwards I followed https://ktor.io/servers/deploy/packing/fatjar.html#fat-jar-maven for the jar compilation.
I encountered 2 issues:
I first tried the install:install task from the IntelliJ Maven side bar, but actually you have to use the lifecycle methods install or just package.
I had to adjust the mainClass attribute of the maven assembly plugin to match that of my own, e.g path.to.your.package.ServerKt or whatever your file is called.
Once I fixed those two everything worked fine.
If you still have issues, please show us you build file.

IntelliJ run vs running a jar, with a Springboot Kotlin, Multi module Gradle project with Social Oauth2

TL;DR: Why does everything run fine when started via IntelliJ, and why is it broken when call java -jar app.jar. And how do I fix this?
Alright, I have some issues with a backend I am trying to dockerize. I have an application created with Spring Boot (1.4.2.RELEASE) following the Spring Oauth (2.0.12.RELEASE) guide on their page. I follow the Gradle version, since I prefer Gradle over Maven. Also I am using Kotlin instead of Java. Everything is fine, I start via IntelliJ my backend with static front end, I can login via Facebook (and Google and Github), I receive a nice Principal witch holds al the information I need, and I can modify Spring Security to authorize and permit endpoints. So far so good.
Now for the bad part, when I run either ./gradlew clean build app:bootrun or ./gradlew clean build app:jar and run the jar via java -jar (like I will do in my Docker container), my backend comes up. My static front end pops up. Now I want to login via Facebook, I end up on the Facebook login page, I enter my credentials, and... nothing!
I end up back on my homepage, not logged in, no log messages that mean anything to me, just silence. The last thing I see in the log is:Getting user info from: https://graph.facebook.com/me
This Url will give me in my browser:
{
"error": {
"message": "An active access token must be used to query information about the current user.",
"type": "OAuthException",
"code": 2500,
"fbtrace_id": "GV/58H5f4fJ"
}
}
When going to this URL via an IntelliJ start, it will give me credential details. Obviously something is going wrong, but I have no clue what. Especially since a run from IntelliJ works fine. There is some difference between how the jar is started, and how IntelliJ's run config works, but I have no clue where to search for what. I could post trace logging, or all my Gradle files, but perhaps thats too much info to put in 1 question. I will defenitly update this question if someone needs some more details :)
The structure outline of this project is as follows:
root:
- api: is going to be opensourced later, contains rest definitions and DTOs.
- core: contains the meat. Also here is included in the gradle file
spring-boot-starter, -web, -security, spring-security-oauth2, and some jackson stuff.
- rest: contains versioned rest service implementations.
- app: contains angular webjars amongst others, the front end, and
my `#SpringBootApplication`, `#EnableOAuth2Client`
and the impl of `WebSecurityConfigurerAdapter`.
Why does everything run fine when started via IntelliJ, and why is it broken using bootRun or the jar artefact. And how do I fix this?
I found it, the problem was not Multi module Graldle, Spring boot, or Oauth2 related. In fact it was due to a src set config of Gradle, where Java was supposed to be in a Java src set folder, and Kotlin in a Java src set folder:
sourceSets {
main.java.srcDirs += 'src/main/java'
main.kotlin.srcDirs += 'src/main/kotlin'
}
As Will Humphreys stated in his comment above, IntelliJ takes all source sets, and runs the app. However, when building the jar via Gradle, these source sets are stricter. I had a Java file in my Kotlin src set, which is no problem for IntelliJ. But the jar created by Gradle takes into account the source sets as defined in the build.gralde file, which are stricter.
I found my missing bean issue with the code below:
#Bean
public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
return args -> {
System.out.println("Let's inspect the beans provided by Spring Boot:");
String[] beanNames = ctx.getBeanDefinitionNames();
Arrays.sort(beanNames);
for (String beanName : beanNames) {
System.out.println(beanName);
}
};
}
The Bean I missed was called AuthenticationController, which is a #RestController, and kinda crucial for my authentication code.

grails / groovy console VS war file Ambiguous method SQL

So working with grails run-app VS war file.
My expectation was that all I have to do to generate a war file and throw it into Tomcat was to type in war
Code below works fine on the RUN-APP console. Code stripped down to what is not working.
package foo
import groovy.sql.Sql;
class FooAlertJob {
static triggers = {
simple name: 'mySimpleTrigger', startDelay:5000, repeatInterval: 1000*10l
}
def dataSourceFoo
def execute() {
def sql = new Sql (dataSourceFoo)
}
}
When running with tomcat and a war file built from grails I am getting (pasted below)
Cannot resolve which method to invoke for [null] due to overlapping prototypes between:
[interface javax.sql.DataSource]
[interface java.sql.Connection]]
Googling around I did not find a solution so perhaps I am just dense.
What do I have to do to my groovy so that when I generate a war file I do not have to worry about re-testing it all ?
I have tried the obvious about fully qualifying sql as groovy.sql.SQL but I do not have a clear example of working code from run-app to war file.
Also frustrating is the groovy / grails docs does not even mention it so I am wondering if I just don't understand basics here. I am clear on runtime groovy VS compile time but still you would think that examples you copy/paste from grails documentation would work if you produced a war file.
java 1.8
Grails 2.5.3
Groovy 2.4.5
[interface java.sql.Connection] [See nested exception: groovy.lang.GroovyRuntimeException: Ambiguous method overloading for method groovy.sql.Sql#.
Cannot resolve which method to invoke for [null] due to overlapping prototypes between:
[interface javax.sql.DataSource]
[interface java.sql.Connection]]
war file generated by Grails ignores dataSource URL
Looks like it was a palm slap to the forehead.
The Datasource needs to be defined in the production environment as that is what the war file is expecting.
Thanks everyone.

Kotlin - Error: Could not find or load main class _DefaultPackage

I followed the Kotlin tutorial for eclipse here : Getting Started With Eclipse Luna
However, I'm running into this error:
Error: Could not find or load main class _DefaultPackage
Anyone who knows to get around this?
This was a severe bug (KT-10221) in automatic generation of Launch Configuration in plugin version 0.4.0. It was fixed in 0.5.0 so the recommendend way to workaround is to update plugin.
The source of the problem was that the plugin used an old pattern for generating name of the class for main function that had been abandoned by Kotlin compiler.
It's possible to workaround it by editing launch configuration (Eclipse Menu -> Run -> Run Configurations...) by hand and changing Main class field in Java Application group. If the file is named hello.kt with no package directive, as it is described in tutorial, than corrected string should be HelloKt.
If file has name other.kt with package my.tutorial than the Main Class should contain my.tutorial.HelloKt. You can read more about it in the section Package-Level Functions of Calling Kotlin From Java page.
I have been getting the same issue. And after putting the right compiler output path, it got resolved.
Go to Project -> Project Compiler output :
In the text box, fill this:
[Absolute Path]/{Project Name}/out
In my case I was having this problem while trying to run the program using the Application Gradle plugin. The problem was in the mainClassName property using single quotes instead of double ones
This didn't work:
mainClassName = 'demo.HelloWorldKt'
With double quotes, it works:
mainClassName = "demo.HelloWorldKt"
For me it worked after I installed the correct JDK. I first had JDK 11 but the tutorial I did was with JDK 8 so after I installed this and set it in the "installed JREs" options it found the main class without having any "mainClassName" or any other option in the build.gradle file.
For me, it worked in a fresh eclipse workspace. Possibly, the Kotlin eclipse plugin is not playing well with other plugins (in my case, PyDev).
I'm creating a Kotlin Application with JavaFX and I had this issue until I went to:
Run > Run Configurations > Java Application > Common
I unticked "Allocate console" and it fixed the issue.