Fix NullPointerException in ConfigMapEnricher

This also seems to be a sideeffect of sundrio configuration change, A user
emailed about this problem.

CHANGELOG.md

@@ -23,6 +23,7 @@ Usage:
 ```
 
 ### 4.5-SNAPSHOT
+* Fix NullPointerException in ConfigMapEnricher
 
 ### 4.4.1 (2020-03-18)
 * Fix: JIB Assembly config doesn't work with any Archive mode

README.md

@@ -1,6 +1,9 @@
-## fabric8-maven-plugin
 
-> Deprecation Note: This project has been moved to https://github.com/eclipse/jkube . All new features would be implemented there and support for FMP would be eventually dropped.
+# Deprecation Note: 
+
+This project has been moved to https://github.com/eclipse/jkube . All new features would be implemented there and support for FMP would be eventually dropped.
+
+## fabric8-maven-plugin
 
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/io.fabric8/fabric8-maven-plugin/badge.svg?style=flat)](https://maven-badges.herokuapp.com/maven-central/io.fabric8/fabric8-maven-plugin/)
 [![Circle CI](https://circleci.com/gh/fabric8io/fabric8-maven-plugin/tree/master.svg?style=shield)](https://circleci.com/gh/fabric8io/fabric8-maven-plugin/tree/master)

enricher/standard/src/main/java/io/fabric8/maven/enricher/standard/ConfigMapEnricher.java

@@ -58,10 +58,12 @@ private void addAnnotations(KubernetesListBuilder builder) {
             @Override
             public void visit(ConfigMapBuilder element) {
                 final Map<String, String> annotations = element.buildMetadata().getAnnotations();
-                try {
-                    addConfigMapFromAnnotations(annotations, element);
-                } catch (IOException e) {
-                    throw new IllegalArgumentException(e);
+                if (annotations != null) {
+                    try {
+                        addConfigMapFromAnnotations(annotations, element);
+                    } catch (IOException e) {
+                        throw new IllegalArgumentException(e);
+                    }
                 }
             }
         });