Copilot commented on code in PR #7057:
URL: https://github.com/apache/shenyu/pull/7057#discussion_r4032746686


##########
shenyu-kubernetes-controller/src/main/java/org/apache/shenyu/k8s/parser/DubboIngressParser.java:
##########
@@ -238,8 +238,15 @@ private List<IngressConfiguration> parseIngressRule(final 
V1IngressRule ingressR
                     SelectorData selectorData = createSelectorData(pathPath, 
conditionList, upstreamList);
                     List<RuleData> ruleDataList = new ArrayList<>();
                     List<MetaData> metaDataList = new ArrayList<>();
+                    if (Objects.isNull(labels)) {
+                        return res;
+                    }
                     for (String label : labels.keySet()) {
-                        Map<String, String> metadataAnnotations = 
serviceLister.namespace(namespace).get(labels.get(label)).getMetadata().getAnnotations();
+                        V1Service service = 
serviceLister.namespace(namespace).get(labels.get(label));
+                        if (Objects.isNull(service)) {
+                            continue;
+                        }
+                        Map<String, String> metadataAnnotations = 
service.getMetadata().getAnnotations();

Review Comment:
   `metadata.annotations` is optional on a Kubernetes Service, so this 
assignment can produce `null` even when the Service exists. The subsequent 
`getRuleConditionList` and `parseMetaData` calls dereference that map and still 
throw an NPE; normalize the annotation map (or skip the label) before using it.



##########
shenyu-kubernetes-controller/src/main/java/org/apache/shenyu/k8s/parser/SofaParser.java:
##########
@@ -169,8 +169,15 @@ private List<IngressConfiguration> parseIngressRule(final 
V1IngressRule ingressR
                     SelectorData selectorData = 
createSelectorData(path.getPath(), conditionList);
                     List<RuleData> ruleDataList = new ArrayList<>();
                     List<MetaData> metaDataList = new ArrayList<>();
+                    if (Objects.isNull(labels)) {
+                        return res;
+                    }
                     for (String label : labels.keySet()) {
-                        Map<String, String> metadataAnnotations = 
serviceLister.namespace(namespace).get(labels.get(label)).getMetadata().getAnnotations();
+                        V1Service service = 
serviceLister.namespace(namespace).get(labels.get(label));
+                        if (Objects.isNull(service)) {
+                            continue;
+                        }
+                        Map<String, String> metadataAnnotations = 
service.getMetadata().getAnnotations();

Review Comment:
   `metadata.annotations` is optional on a Kubernetes Service, so this 
assignment can produce `null` even when the Service exists. The subsequent 
`getRuleConditionList` and `parseMetaData` calls dereference that map and still 
throw an NPE; normalize the annotation map (or skip the label) before using it.



##########
shenyu-kubernetes-controller/src/main/java/org/apache/shenyu/k8s/parser/GrpcParser.java:
##########
@@ -252,8 +252,15 @@ private List<IngressConfiguration> parseIngressRule(final 
V1IngressRule ingressR
                     SelectorData selectorData = createSelectorData(pathPath, 
conditionList, grpcUpstreamList);
                     List<RuleData> ruleDataList = new ArrayList<>();
                     List<MetaData> metaDataList = new ArrayList<>();
+                    if (Objects.isNull(labels)) {
+                        return res;
+                    }
                     for (String label : labels.keySet()) {
-                        Map<String, String> metadataAnnotations = 
serviceLister.namespace(namespace).get(labels.get(label)).getMetadata().getAnnotations();
+                        V1Service service = 
serviceLister.namespace(namespace).get(labels.get(label));
+                        if (Objects.isNull(service)) {
+                            continue;
+                        }
+                        Map<String, String> metadataAnnotations = 
service.getMetadata().getAnnotations();

Review Comment:
   `metadata.annotations` is optional on a Kubernetes Service, so this 
assignment can produce `null` even when the Service exists. The subsequent 
`getRuleConditionList` and `parseMetaData` calls dereference that map and still 
throw an NPE; normalize the annotation map (or skip the label) before using it.



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