CAPAUT-471 Refactor error handling to avoid broken builds

gradle/build-mavenpublish.gradle

@@ -21,16 +21,15 @@ project.ext {
     mavenRepositoryUrl = ( project.hasProperty('MAVEN_PUBLISH_REPOSITORY_URL') ? MAVEN_PUBLISH_REPOSITORY_URL : null )
 }
 
-// Fail fast
-if ( mavenAccessToken == null || mavenRepositoryUrl == null ) {
-    throw new GradleScriptException("Missing required properties: MAVEN_PUBLISH_ACCESS_TOKEN and MAVEN_PUBLISH_REPOSITORY_URL", null)
-}
-
 // Apply plugins
 apply plugin: 'maven-publish'
 
-// Configure maven publish
-publishing {
+if ( ext.mavenAccessToken == null || ext.mavenRepositoryUrl == null ) {
+    logger.error("ERROR: Maven publish not possible! Missing required properties: MAVEN_PUBLISH_ACCESS_TOKEN and MAVEN_PUBLISH_REPOSITORY_URL")
+}
+else {
+    // Configure maven publish
+    publishing {
         publications {
             bootJava(MavenPublication) {
                 artifact tasks.named("bootJar")
@@ -51,4 +50,5 @@ publishing {
                 }
             }
         }
+    }
 }