Merge pull request #35377 from ls-urs-keller

* gh-35377:
  Polish "Don't run process-aot or process-test-aot on reactor projects"
  Don't run process-aot or process-test-aot on reactor projects

Closes gh-35377

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/ProcessAotMojo.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -88,6 +88,10 @@ public class ProcessAotMojo extends AbstractAotMojo {
 
 	@Override
 	protected void executeAot() throws Exception {
+		if (this.project.getPackaging().equals("pom")) {
+			getLog().debug("process-aot goal could not be applied to pom project.");
+			return;
+		}
 		String applicationClass = (this.mainClass != null) ? this.mainClass
 				: SpringBootApplicationClassFinder.findSingleClass(this.classesDirectory);
 		URL[] classPath = getClassPath();

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/ProcessTestAotMojo.java

@@ -118,6 +118,10 @@ public class ProcessTestAotMojo extends AbstractAotMojo {
 
 	@Override
 	protected void executeAot() throws Exception {
+		if (this.project.getPackaging().equals("pom")) {
+			getLog().debug("process-test-aot goal could not be applied to pom project.");
+			return;
+		}
 		if (Boolean.getBoolean("skipTests") || Boolean.getBoolean("maven.test.skip")) {
 			getLog().info("Skipping AOT test processing since tests are skipped");
 			return;