can't inject the values in the class from configuration created in gradle.properties - gradle

Question

the question is i want to use "Mapping Configuration to objects" in quarkus i have a gradle.properties so i want to declare this array of objects in the .properties file
myApplicationConfig.enabled = true and i want to fetch and use this value we can do that by using #ConfigMapping(prefix = myApplicationConfig) as the annotation on top of the interface for mapping it my interface code:
#ConfigMapping(prefix = "myApplicationConfig")
#StaticInitSafe
public interface ApplicationConfig {
boolean enabled();
List<Details> details();
interface details{
String name();
int age();}
and after injecting into this enabled() i want to fetch it to other class there i want to do some operations such as printing the value so i've injected this interface there and trying to get the value but it says that
ERROR [io.qua.run.boo.StartupActionImpl] (Quarkus Main Thread) Error running Quarkus: java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at io.quarkus.runner.bootstrap.StartupActionImpl$1.run(StartupActionImpl.java:103)
at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.lang.ExceptionInInitializerError
at io.quarkus.runner.ApplicationImpl.<clinit>(Unknown Source)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128)
at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:347)
at java.base/java.lang.Class.newInstance(Class.java:645)
Caused by: java.lang.ExceptionInInitializerError
at io.quarkus.runtime.Quarkus.run(Quarkus.java:66)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:41)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:120)
at io.quarkus.runner.GeneratedMain.main(Unknown Source)
... 6 more
Caused by: java.lang.IllegalStateException: io.smallrye.config.ConfigValidationException: Configuration validation failed:
java.util.NoSuchElementException: SRCFG00014: The config property
Config.enabled is required but it could not be found in any config source
Caused by: java.lang.IllegalStateException: io.smallrye.config.ConfigValidationException: Configuration validation failed:
at io.smallrye.config.SmallRyeConfigBuilder.build(SmallRyeConfigBuilder.java:453)
at io.quarkus.runtime.generated.Config.<clinit>(Unknown Source)
... 18 more
Caused by: io.smallrye.config.ConfigValidationException: Configuration validation failed:
java.util.NoSuchElementException: SRCFG00014: The config property Config.enabled is required but it could not be found in any config source
at io.smallrye.config.ConfigMappingProvider.mapConfiguration(ConfigMappingProvider.java:805)
at io.smallrye.config.ConfigMappingProvider.mapConfiguration(ConfigMappingProvider.java:761)
at io.smallrye.config.SmallRyeConfigBuilder.build(SmallRyeConfigBuilder.java:450)
... 19 more
Caused by: io.smallrye.config.ConfigValidationException: Configuration validation failed:
2022-10-21 11:47:11,847 INFO [io.qua.dep.dev.IsolatedDevModeMain] (main) Attempting to start live reload endpoint to recover from previous Quarkus startup failure
2022-10-21 11:47:11,900 INFO [org.jbo.threads] (main) JBoss Threads version 3.4.2.Final
2022-10-21 11:47:11,963 ERROR [io.qua.dep.dev.IsolatedDevModeMain] (main) Failed to start quarkus: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at io.quarkus.dev.appstate.ApplicationStateNotification.waitForApplicationStart(ApplicationStateNotification.java:51)
at io.quarkus.runner.bootstrap.StartupActionImpl.runMainClass(StartupActionImpl.java:122)
at io.quarkus.deployment.dev.IsolatedDevModeMain.firstStart(IsolatedDevModeMain.java:146)
at io.quarkus.deployment.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:480)
at io.quarkus.deployment.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:67)
at io.quarkus.bootstrap.app.CuratedApplication.runInCl(CuratedApplication.java:142)
at io.quarkus.bootstrap.app.CuratedApplication.runInAugmentClassLoader(CuratedApplication.java:97)
at io.quarkus.deployment.dev.DevModeMain.start(DevModeMain.java:132)
at io.quarkus.deployment.dev.DevModeMain.main(DevModeMain.java:62)
Suppressed: java.lang.NoClassDefFoundError: Could not initialize class io.quarkus.runtime.generated.Config
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:467)
at io.quarkus.runner.bootstrap.StartupActionImpl.runMainClass(StartupActionImpl.java:144)
... 7 more
Caused by: java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
Caused by: java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at io.quarkus.runner.bootstrap.StartupActionImpl$1.run(StartupActionImpl.java:103)
at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.lang.ExceptionInInitializerError
Caused by: java.lang.ExceptionInInitializerError
at io.quarkus.runner.ApplicationImpl.<clinit>(Unknown Source)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128)
at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:347)
at java.base/java.lang.Class.newInstance(Class.java:645)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:66)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:41)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:120)
at io.quarkus.runner.GeneratedMain.main(Unknown Source)
... 6 more
Caused by: java.lang.IllegalStateException: io.smallrye.config.ConfigValidationException: Configuration validation failed:
java.util.NoSuchElementException: SRCFG00014: The config property Config.enabled is required but it could not be found in any config source
at io.smallrye.config.SmallRyeConfigBuilder.build(SmallRyeConfigBuilder.java:453)
at io.quarkus.runtime.generated.Config.<clinit>(Unknown Source)
... 18 more
Caused by: io.smallrye.config.ConfigValidationException: Configuration validation failed:
java.util.NoSuchElementException: SRCFG00014: The config property Config.enabled is required but it could not be found in any config source
at io.smallrye.config.ConfigMappingProvider.mapConfiguration(ConfigMappingProvider.java:805)
at io.smallrye.config.ConfigMappingProvider.mapConfiguration(ConfigMappingProvider.java:761)
at io.smallrye.config.SmallRyeConfigBuilder.build(SmallRyeConfigBuilder.java:450)
... 19 more
Caused by: java.lang.IllegalStateException: io.smallrye.config.ConfigValidationException: Configuration validation failed:
Caused by: io.smallrye.config.ConfigValidationException: Configuration validation failed:
i'm unable to inject the data can anyone explain why i can't? or did i miss anything? or should i need to add these configs in build.gradle or somewhere else ? and also i want to declare an array of objects as
Config.details[0].name = "Sam"
Config.details[0].age = 12
Config.details[1].name = "Tim"
Config.details[1].age = "34"
but when i try to use them after injecting it throws empty list
please explain it :)

Answer 1

Documentation
1. Config Sources By default, Quarkus reads configuration properties from multiple sources (by descending ordinal):
(400) System properties
(300) Environment variables
(295) .env file in the current working directory
(260) Quarkus Application configuration file in
$PWD/config/application.properties
(250) Quarkus Application configuration file application.properties in
classpath
(100) MicroProfile Config configuration file
META-INF/microprofile-config.properties in classpath
The final configuration is the aggregation of the properties defined
by all these sources. A configuration property lookup starts by the
highest ordinal configuration source available and works it way down
to other sources until a match is found. This means that any
configuration property may override a value just by setting a
different value in a higher ordinal config source. For example, a
property configured using an environment property overrides the value
provided using the application.properties file.
gradle is used to build the project not to provide by default any properties to quarkus.
So pick one of the above destinations and there add your configuration properties which will be picked then from quarkus
For example you can add
myApplicationConfig.enabled = true
myApplicationConfig.details[0].name = "Sam"
myApplicationConfig.details[0].age = 12
myApplicationConfig.details[1].name = "Tim"
myApplicationConfig.details[1].age = "34"
in the file src/main/resources/application.properties.