Add support for jax-ws method annotated with @webmethod not declared by super-interfaces (#3850)

Author: JonasKunz

CHANGELOG.asciidoc

@@ -34,6 +34,7 @@ Use subheadings with the "=====" level for adding notes for unreleased changes:
 [float]
 ===== Bug fixes
 * Fix JMX metric warning message about unsupported composite value types - {pull}3849[#3849]
+* Fix JAX-WS transaction naming for @WebMethod annotated methods - {pull}3850[#3850]
 
 [[release-notes-1.x]]
 === Java Agent version 1.x

apm-agent-plugins/apm-jaxws-plugin-jakartaee-test/src/test/java/co/elastic/apm/agent/jaxws/JakartaeeJaxWsTransactionNameInstrumentationTest.java

@@ -18,6 +18,7 @@
  */
 package co.elastic.apm.agent.jaxws;
 
+import jakarta.jws.WebMethod;
 import jakarta.jws.WebService;
 import jakarta.jws.soap.SOAPBinding;
 import org.junit.jupiter.api.BeforeEach;
@@ -42,6 +43,11 @@ public static class HelloWorldServiceImpl implements HelloWorldService {
         public String sayHello() {
             return "Hello World";
         }
+
+        @WebMethod
+        public String webMethodAnnotated() {
+            return "foo bar";
+        }
     }
 
 }

apm-agent-plugins/apm-jaxws-plugin/src/main/java/co/elastic/apm/agent/jaxws/JaxWsTransactionNameInstrumentation.java

@@ -18,8 +18,9 @@
  */
 package co.elastic.apm.agent.jaxws;
 
-import co.elastic.apm.agent.sdk.bytebuddy.SimpleMethodSignatureOffsetMappingFactory.SimpleMethodSignature;
 import co.elastic.apm.agent.sdk.ElasticApmInstrumentation;
+import co.elastic.apm.agent.sdk.bytebuddy.MethodHierarchyMatcher;
+import co.elastic.apm.agent.sdk.bytebuddy.SimpleMethodSignatureOffsetMappingFactory.SimpleMethodSignature;
 import co.elastic.apm.agent.tracer.GlobalTracer;
 import co.elastic.apm.agent.tracer.Tracer;
 import co.elastic.apm.agent.tracer.Transaction;
@@ -94,13 +95,19 @@ public ElementMatcher.Junction<ClassLoader> getClassLoaderMatcher() {
 
     @Override
     public ElementMatcher<? super MethodDescription> getMethodMatcher() {
-        return overridesOrImplementsMethodThat(
+        MethodHierarchyMatcher annotatedMethodMatcher = overridesOrImplementsMethodThat(
+            isAnnotatedWith(
+                namedOneOf("javax.jws.WebMethod", "jakarta.jws.WebMethod")))
+            .onSuperClassesThat(isInAnyPackage(applicationPackages, ElementMatchers.<NamedElement>any()));
+
+        MethodHierarchyMatcher interfaceInheritedMatcher = overridesOrImplementsMethodThat(
             isPublic().and(isDeclaredBy(isInterface()))
         ).whereHierarchyContains(
             isInterface().and(isAnnotatedWith(namedOneOf("javax.jws.WebService", "jakarta.jws.WebService")))
         ).onSuperClassesThat(
             isInAnyPackage(applicationPackages, ElementMatchers.<NamedElement>any())
         );
+        return interfaceInheritedMatcher.or(annotatedMethodMatcher);
     }
 
     @Override

apm-agent-plugins/apm-jaxws-plugin/src/test/java/co/elastic/apm/agent/jaxws/AbstractJaxWsInstrumentationTest.java

@@ -41,6 +41,19 @@ void testTransactionName() {
         assertThat(transaction.getFrameworkName()).isEqualTo("JAX-WS");
     }
 
+
+    @Test
+    void testTransactionNameForWebMethod() throws Exception {
+        final TransactionImpl transaction = tracer.startRootTransaction(getClass().getClassLoader());
+        try (Scope scope = transaction.activateInScope()) {
+            helloWorldService.getClass().getMethod("webMethodAnnotated").invoke(helloWorldService);
+        } finally {
+            transaction.end();
+        }
+        assertThat(transaction.getNameAsString()).isEqualTo("HelloWorldServiceImpl#webMethodAnnotated");
+        assertThat(transaction.getFrameworkName()).isEqualTo("JAX-WS");
+    }
+
     public interface BaseHelloWorldService {
         String sayHello();
     }

apm-agent-plugins/apm-jaxws-plugin/src/test/java/co/elastic/apm/agent/jaxws/JaxWsTransactionNameInstrumentationTest.java

@@ -47,6 +47,11 @@ public static class HelloWorldServiceImpl implements HelloWorldService {
         public String sayHello() {
             return "Hello World";
         }
+
+        @WebMethod
+        public String webMethodAnnotated() {
+            return "foo bar";
+        }
     }
 
 }