Hi all, I upgraded my app from Grails 4 to Grails 6. The app works perfectly fine on IntelliJ but when I deploy it on Tomcat 9, the app doesn't start and I get the following error:

Error deploying web application archive [C:\Program Files\Apache Software Foundation\Tomcat 9.0\webapps\MyApp.war]
java.lang.IllegalStateException: Error starting child
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:978)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1849)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
	at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:773)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:427)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1576)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:309)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
	at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
	at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:936)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:932)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/MyApp]]
	at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
	... 37 more
Caused by: java.lang.NoClassDefFoundError: Could not initialize class io.micronaut.inject.annotation.AnnotationMetadataSupport
	at io.micronaut.inject.annotation.DefaultAnnotationMetadata.getAnnotationValuesByName(DefaultAnnotationMetadata.java:1024)
	at io.micronaut.inject.annotation.DefaultAnnotationMetadata.getAnnotationValuesByStereotype(DefaultAnnotationMetadata.java:1234)
	at io.micronaut.inject.BeanDefinition.getDeclaredQualifier(BeanDefinition.java:435)
	at io.micronaut.context.DefaultBeanContext.resolveByBeanFactory(DefaultBeanContext.java:2339)
	at io.micronaut.context.DefaultBeanContext.doCreateBean(DefaultBeanContext.java:2305)
	at io.micronaut.context.DefaultBeanContext.doCreateBean(DefaultBeanContext.java:2251)
	at io.micronaut.context.DefaultBeanContext.createRegistration(DefaultBeanContext.java:3016)
	at io.micronaut.context.DefaultBeanContext.resolveBeanRegistration(DefaultBeanContext.java:2906)
	at io.micronaut.context.DefaultBeanContext.resolveBeanRegistration(DefaultBeanContext.java:2800)
	at io.micronaut.context.DefaultBeanContext.getBean(DefaultBeanContext.java:1617)
	at io.micronaut.context.DefaultBeanContext.getBean(DefaultBeanContext.java:867)
	at io.micronaut.context.BeanLocator.getBean(BeanLocator.java:94)
	at io.micronaut.context.DefaultBeanContext.publishEvent(DefaultBeanContext.java:1703)
	at io.micronaut.context.DefaultBeanContext.start(DefaultBeanContext.java:356)
	at io.micronaut.context.DefaultApplicationContext.start(DefaultApplicationContext.java:194)
	at grails.boot.GrailsApp.createApplicationContext(GrailsApp.groovy:184)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:304)
	at grails.boot.GrailsApp.run(GrailsApp.groovy:99)
	at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:175)
	at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:155)
	at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:97)
	at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:174)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5135)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	... 38 more