Add reporting of errors sent through Error Processor

micronaut-http-server/build.gradle

@@ -4,7 +4,7 @@
 apply plugin: 'java'
 
 dependencies {
-   implementation 'io.micronaut:micronaut-http:2.0.0'
+   implementation 'io.micronaut:micronaut-http-server:2.4.0'
 
    // New Relic Java Agent dependencies
    implementation 'com.newrelic.agent.java:newrelic-agent:7.4.0'
@@ -23,5 +23,5 @@ jar {
 }
 
 verifyInstrumentation {
-	passes 'io.micronaut:micronaut-http:[2.0.0,)'
+	passes 'io.micronaut:micronaut-http-server:[2.4.0,)'
 }

micronaut-http-server/src/main/java/io/micronaut/http/server/exceptions/response/ErrorResponseProcessor.java

@@ -0,0 +1,33 @@
+package io.micronaut.http.server.exceptions.response;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Optional;
+
+import com.newrelic.api.agent.NewRelic;
+import com.newrelic.api.agent.weaver.MatchType;
+import com.newrelic.api.agent.weaver.Weave;
+import com.newrelic.api.agent.weaver.Weaver;
+
+import io.micronaut.http.HttpRequest;
+import io.micronaut.http.MutableHttpResponse;
+
+@Weave(type = MatchType.Interface)
+public abstract class ErrorResponseProcessor<T> {
+
+	public MutableHttpResponse<T> processResponse(ErrorContext errorContext, MutableHttpResponse<?> baseResponse) {
+		if(errorContext.hasErrors()) {
+			HttpRequest<?> request = errorContext.getRequest();
+			HashMap<String, Object> attributes = new HashMap<>();
+			List<Error> errorList = errorContext.getErrors();
+			attributes.put("NumberOfErrors", errorList.size());
+			attributes.put("Request-Path", request.getPath());
+			attributes.put("Request-URI", request.getUri());
+			attributes.put("Request-Method", request.getMethod());
+			attributes.put("Request-ServerName", request.getServerName());
+			Optional<Throwable> rootCause = errorContext.getRootCause();
+			if(rootCause.isPresent()) NewRelic.noticeError(rootCause.get(), attributes);
+		}
+		return Weaver.callOriginal();
+	}
+}