Support Struts 7.0 (fixes CI muzzle failures) (#12935)

trask · laurit · web-flow · commit fa32671be5b7 · 2024-12-20T14:57:02.000+02:00
Co-authored-by: Lauri Tulmin &lt;ltulmin@splunk.com&gt;
diff --git a/docs/supported-libraries.md b/docs/supported-libraries.md
@@ -39,7 +39,7 @@ These are the supported libraries and frameworks:
 | [Apache Pulsar](https://pulsar.apache.org/)                                                                                                 | 2.8+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | [Messaging Spans]                                                                                                                       |
 | [Apache RocketMQ gRPC/Protobuf-based Client](https://rocketmq.apache.org/)                                                                  | 5.0+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | [Messaging Spans]                                                                                                                       |
 | [Apache RocketMQ Remoting-based Client](https://rocketmq.apache.org/)                                                                       | 4.8+                               | [opentelemetry-rocketmq-client-4.8](../instrumentation/rocketmq/rocketmq-client/rocketmq-client-4.8/library)                                                                                                                                                                                                                                                                            | [Messaging Spans]                                                                                                                       |
-| [Apache Struts 2](https://github.com/apache/struts)                                                                                         | 2.3+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | Provides `http.route` [2], Controller Spans [3]                                                                                         |
+| [Apache Struts](https://github.com/apache/struts)                                                                                           | 2.3+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | Provides `http.route` [2], Controller Spans [3]                                                                                         |
 | [Apache Tapestry](https://tapestry.apache.org/)                                                                                             | 5.4+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | Provides `http.route` [2], Controller Spans [3]                                                                                         |
 | [Apache Wicket](https://wicket.apache.org/)                                                                                                 | 8.0+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | Provides `http.route` [2]                                                                                                               |
 | [Armeria](https://armeria.dev)                                                                                                              | 1.3+                               | [opentelemetry-armeria-1.3](../instrumentation/armeria/armeria-1.3/library)                                                                                                                                                                                                                                                                                                             | [HTTP Client Spans], [HTTP Client Metrics], [HTTP Server Spans], [HTTP Server Metrics]                                                  |
diff --git a/instrumentation/struts/struts-2.3/javaagent/build.gradle.kts b/instrumentation/struts/struts-2.3/javaagent/build.gradle.kts
@@ -6,7 +6,8 @@ muzzle {
   pass {
     group.set("org.apache.struts")
     module.set("struts2-core")
-    versions.set("[2.3.1,)")
+    versions.set("[2.1.0,7)")
+    assertInverse.set(true)
   }
 }
 
@@ -24,6 +25,7 @@ dependencies {
   testInstrumentation(project(":instrumentation:servlet:servlet-3.0:javaagent"))
   testInstrumentation(project(":instrumentation:servlet:servlet-javax-common:javaagent"))
   testInstrumentation(project(":instrumentation:jetty:jetty-8.0:javaagent"))
+  testInstrumentation(project(":instrumentation:struts:struts-7.0:javaagent"))
 
   latestDepTestLibrary("org.apache.struts:struts2-core:6.0.+")
 }
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/ActionInvocationInstrumentation.java b/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/ActionInvocationInstrumentation.java
@@ -3,12 +3,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import static io.opentelemetry.instrumentation.api.semconv.http.HttpServerRouteSource.CONTROLLER;
 import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
 import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
-import static io.opentelemetry.javaagent.instrumentation.struts2.StrutsSingletons.instrumenter;
+import static io.opentelemetry.javaagent.instrumentation.struts.v2_3.StrutsSingletons.instrumenter;
 import static net.bytebuddy.matcher.ElementMatchers.isMethod;
 import static net.bytebuddy.matcher.ElementMatchers.isPublic;
 import static net.bytebuddy.matcher.ElementMatchers.named;
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/Struts2InstrumentationModule.java b/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/Struts2InstrumentationModule.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import static java.util.Collections.singletonList;
 
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/StrutsCodeAttributesGetter.java b/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/StrutsCodeAttributesGetter.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import com.opensymphony.xwork2.ActionInvocation;
 import io.opentelemetry.instrumentation.api.incubator.semconv.code.CodeAttributesGetter;
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/StrutsServerSpanNaming.java b/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/StrutsServerSpanNaming.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import com.opensymphony.xwork2.ActionProxy;
 import io.opentelemetry.instrumentation.api.semconv.http.HttpServerRouteGetter;
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/StrutsSingletons.java b/instrumentation/struts/struts-2.3/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/StrutsSingletons.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import com.opensymphony.xwork2.ActionInvocation;
 import io.opentelemetry.api.GlobalOpenTelemetry;
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/GreetingAction.java b/instrumentation/struts/struts-2.3/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/GreetingAction.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import static io.opentelemetry.instrumentation.testing.junit.http.AbstractHttpServerTest.controller;
 
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/GreetingServlet.java b/instrumentation/struts/struts-2.3/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/GreetingServlet.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import java.io.IOException;
 import javax.servlet.http.HttpServlet;
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/Struts2ActionSpanTest.java b/instrumentation/struts/struts-2.3/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v2_3/Struts2ActionSpanTest.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.struts2;
+package io.opentelemetry.javaagent.instrumentation.struts.v2_3;
 
 import static io.opentelemetry.instrumentation.testing.junit.http.ServerEndpoint.ERROR;
 import static io.opentelemetry.instrumentation.testing.junit.http.ServerEndpoint.EXCEPTION;
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/test/resources/greeting.ftl b/instrumentation/struts/struts-2.3/javaagent/src/test/resources/greeting.ftl
diff --git a/instrumentation/struts/struts-2.3/javaagent/src/test/resources/struts.xml b/instrumentation/struts/struts-2.3/javaagent/src/test/resources/struts.xml
@@ -26,16 +26,16 @@
       <exception-mapping exception="java.lang.Exception" result="error"/>
     </global-exception-mappings>
 
-    <action name="success" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="success"/>
-    <action name="redirect" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="redirect"/>
-    <action name="query" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="query_param"/>
-    <action name="error-status" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="error"/>
-    <action name="exception" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="exception"/>
-    <action name="/path/{id}/param" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction"
+    <action name="success" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="success"/>
+    <action name="redirect" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="redirect"/>
+    <action name="query" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="query_param"/>
+    <action name="error-status" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="error"/>
+    <action name="exception" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="exception"/>
+    <action name="/path/{id}/param" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction"
       method="path_param"/>
-    <action name="child" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="indexed_child"/>
-    <action name="captureHeaders" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="capture_headers"/>
-    <action name="dispatch" class="io.opentelemetry.javaagent.instrumentation.struts2.GreetingAction" method="dispatch_servlet"/>
+    <action name="child" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="indexed_child"/>
+    <action name="captureHeaders" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="capture_headers"/>
+    <action name="dispatch" class="io.opentelemetry.javaagent.instrumentation.struts.v2_3.GreetingAction" method="dispatch_servlet"/>
   </package>
 
 
diff --git a/instrumentation/struts/struts-7.0/javaagent/build.gradle.kts b/instrumentation/struts/struts-7.0/javaagent/build.gradle.kts
@@ -0,0 +1,37 @@
+plugins {
+  id("otel.javaagent-instrumentation")
+}
+
+muzzle {
+  pass {
+    group.set("org.apache.struts")
+    module.set("struts2-core")
+    versions.set("[7.0.0,)")
+    assertInverse.set(true)
+  }
+}
+
+// struts 7 requires java 17
+otelJava {
+  minJavaVersionSupported.set(JavaVersion.VERSION_17)
+}
+
+dependencies {
+  bootstrap(project(":instrumentation:servlet:servlet-common:bootstrap"))
+
+  library("org.apache.struts:struts2-core:7.0.0")
+
+  testImplementation(project(":testing-common"))
+  testImplementation("org.eclipse.jetty:jetty-server:11.0.0")
+  testImplementation("org.eclipse.jetty:jetty-servlet:11.0.0")
+  testImplementation("jakarta.servlet:jakarta.servlet-api:5.0.0")
+  testImplementation("jakarta.servlet.jsp:jakarta.servlet.jsp-api:3.0.0")
+
+  testInstrumentation(project(":instrumentation:servlet:servlet-5.0:javaagent"))
+  testInstrumentation(project(":instrumentation:jetty:jetty-11.0:javaagent"))
+  testInstrumentation(project(":instrumentation:struts:struts-2.3:javaagent"))
+}
+
+tasks.withType<Test>().configureEach {
+  jvmArgs("-Dotel.instrumentation.common.experimental.controller-telemetry.enabled=true")
+}
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/ActionInvocationInstrumentation.java b/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/ActionInvocationInstrumentation.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.struts.v7_0;
+
+import static io.opentelemetry.instrumentation.api.semconv.http.HttpServerRouteSource.CONTROLLER;
+import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
+import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
+import static io.opentelemetry.javaagent.instrumentation.struts.v7_0.StrutsSingletons.instrumenter;
+import static net.bytebuddy.matcher.ElementMatchers.isMethod;
+import static net.bytebuddy.matcher.ElementMatchers.isPublic;
+import static net.bytebuddy.matcher.ElementMatchers.named;
+
+import io.opentelemetry.context.Context;
+import io.opentelemetry.context.Scope;
+import io.opentelemetry.instrumentation.api.semconv.http.HttpServerRoute;
+import io.opentelemetry.javaagent.bootstrap.Java8BytecodeBridge;
+import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
+import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
+import net.bytebuddy.asm.Advice;
+import net.bytebuddy.description.type.TypeDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+import org.apache.struts2.ActionInvocation;
+
+public class ActionInvocationInstrumentation implements TypeInstrumentation {
+
+  @Override
+  public ElementMatcher<ClassLoader> classLoaderOptimization() {
+    return hasClassesNamed("org.apache.struts2.ActionInvocation");
+  }
+
+  @Override
+  public ElementMatcher<TypeDescription> typeMatcher() {
+    return implementsInterface(named("org.apache.struts2.ActionInvocation"));
+  }
+
+  @Override
+  public void transform(TypeTransformer transformer) {
+    transformer.applyAdviceToMethod(
+        isMethod().and(isPublic()).and(named("invokeActionOnly")),
+        this.getClass().getName() + "$InvokeActionOnlyAdvice");
+  }
+
+  @SuppressWarnings("unused")
+  public static class InvokeActionOnlyAdvice {
+
+    @Advice.OnMethodEnter(suppress = Throwable.class)
+    public static void onEnter(
+        @Advice.This ActionInvocation actionInvocation,
+        @Advice.Local("otelContext") Context context,
+        @Advice.Local("otelScope") Scope scope) {
+      Context parentContext = Java8BytecodeBridge.currentContext();
+
+      HttpServerRoute.update(
+          parentContext,
+          CONTROLLER,
+          StrutsServerSpanNaming.SERVER_SPAN_NAME,
+          actionInvocation.getProxy());
+
+      if (!instrumenter().shouldStart(parentContext, actionInvocation)) {
+        return;
+      }
+
+      context = instrumenter().start(parentContext, actionInvocation);
+      scope = context.makeCurrent();
+    }
+
+    @Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
+    public static void stopSpan(
+        @Advice.Thrown Throwable throwable,
+        @Advice.This ActionInvocation actionInvocation,
+        @Advice.Local("otelContext") Context context,
+        @Advice.Local("otelScope") Scope scope) {
+      if (scope == null) {
+        return;
+      }
+      scope.close();
+
+      instrumenter().end(context, actionInvocation, null, throwable);
+    }
+  }
+}
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/Struts2InstrumentationModule.java b/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/Struts2InstrumentationModule.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.struts.v7_0;
+
+import static java.util.Collections.singletonList;
+
+import com.google.auto.service.AutoService;
+import io.opentelemetry.javaagent.extension.instrumentation.InstrumentationModule;
+import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
+import java.util.List;
+
+@AutoService(InstrumentationModule.class)
+public class Struts2InstrumentationModule extends InstrumentationModule {
+
+  public Struts2InstrumentationModule() {
+    super("struts", "struts-7.0");
+  }
+
+  @Override
+  public List<TypeInstrumentation> typeInstrumentations() {
+    return singletonList(new ActionInvocationInstrumentation());
+  }
+}
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/StrutsCodeAttributesGetter.java b/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/StrutsCodeAttributesGetter.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.struts.v7_0;
+
+import io.opentelemetry.instrumentation.api.incubator.semconv.code.CodeAttributesGetter;
+import org.apache.struts2.ActionInvocation;
+
+public class StrutsCodeAttributesGetter implements CodeAttributesGetter<ActionInvocation> {
+
+  @Override
+  public Class<?> getCodeClass(ActionInvocation actionInvocation) {
+    return actionInvocation.getAction().getClass();
+  }
+
+  @Override
+  public String getMethodName(ActionInvocation actionInvocation) {
+    return actionInvocation.getProxy().getMethod();
+  }
+}
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/StrutsServerSpanNaming.java b/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/StrutsServerSpanNaming.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.struts.v7_0;
+
+import io.opentelemetry.instrumentation.api.semconv.http.HttpServerRouteGetter;
+import io.opentelemetry.javaagent.bootstrap.servlet.ServletContextPath;
+import org.apache.struts2.ActionProxy;
+
+public class StrutsServerSpanNaming {
+
+  public static final HttpServerRouteGetter<ActionProxy> SERVER_SPAN_NAME =
+      (context, actionProxy) -> {
+        // We take name from the config, because it contains the path pattern from the
+        // configuration.
+        String result = actionProxy.getConfig().getName();
+
+        String actionNamespace = actionProxy.getNamespace();
+        if (actionNamespace != null && !actionNamespace.isEmpty()) {
+          if (actionNamespace.endsWith("/") || result.startsWith("/")) {
+            result = actionNamespace + result;
+          } else {
+            result = actionNamespace + "/" + result;
+          }
+        }
+
+        if (!result.startsWith("/")) {
+          result = "/" + result;
+        }
+
+        return ServletContextPath.prepend(context, result);
+      };
+
+  private StrutsServerSpanNaming() {}
+}
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/StrutsSingletons.java b/instrumentation/struts/struts-7.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/StrutsSingletons.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.struts.v7_0;
+
+import io.opentelemetry.api.GlobalOpenTelemetry;
+import io.opentelemetry.instrumentation.api.incubator.semconv.code.CodeAttributesExtractor;
+import io.opentelemetry.instrumentation.api.incubator.semconv.code.CodeSpanNameExtractor;
+import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
+import io.opentelemetry.javaagent.bootstrap.internal.ExperimentalConfig;
+import org.apache.struts2.ActionInvocation;
+
+public class StrutsSingletons {
+  private static final String INSTRUMENTATION_NAME = "io.opentelemetry.struts-7.0";
+
+  private static final Instrumenter<ActionInvocation, Void> INSTRUMENTER;
+
+  static {
+    StrutsCodeAttributesGetter codeAttributesGetter = new StrutsCodeAttributesGetter();
+
+    INSTRUMENTER =
+        Instrumenter.<ActionInvocation, Void>builder(
+                GlobalOpenTelemetry.get(),
+                INSTRUMENTATION_NAME,
+                CodeSpanNameExtractor.create(codeAttributesGetter))
+            .addAttributesExtractor(CodeAttributesExtractor.create(codeAttributesGetter))
+            .setEnabled(ExperimentalConfig.get().controllerTelemetryEnabled())
+            .buildInstrumenter();
+  }
+
+  public static Instrumenter<ActionInvocation, Void> instrumenter() {
+    return INSTRUMENTER;
+  }
+
+  private StrutsSingletons() {}
+}
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/GreetingAction.java b/instrumentation/struts/struts-7.0/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/GreetingAction.java
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/GreetingServlet.java b/instrumentation/struts/struts-7.0/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/GreetingServlet.java
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/Struts2ActionSpanTest.java b/instrumentation/struts/struts-7.0/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/struts/v7_0/Struts2ActionSpanTest.java
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/test/resources/greeting.ftl b/instrumentation/struts/struts-7.0/javaagent/src/test/resources/greeting.ftl
diff --git a/instrumentation/struts/struts-7.0/javaagent/src/test/resources/struts.xml b/instrumentation/struts/struts-7.0/javaagent/src/test/resources/struts.xml
diff --git a/settings.gradle.kts b/settings.gradle.kts

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,8 @@ muzzle {`
`6`	`6`	`pass {`
`7`	`7`	`group.set("org.apache.struts")`
`8`	`8`	`module.set("struts2-core")`
`9`		`- versions.set("[2.3.1,)")`
	`9`	`+ versions.set("[2.1.0,7)")`
	`10`	`+ assertInverse.set(true)`
`10`	`11`	`}`
`11`	`12`	`}`
`12`	`13`
`@@ -24,6 +25,7 @@ dependencies {`
`24`	`25`	`testInstrumentation(project(":instrumentation:servlet:servlet-3.0:javaagent"))`
`25`	`26`	`testInstrumentation(project(":instrumentation:servlet:servlet-javax-common:javaagent"))`
`26`	`27`	`testInstrumentation(project(":instrumentation:jetty:jetty-8.0:javaagent"))`
	`28`	`+ testInstrumentation(project(":instrumentation:struts:struts-7.0:javaagent"))`
`27`	`29`
`28`	`30`	`latestDepTestLibrary("org.apache.struts:struts2-core:6.0.+")`
`29`	`31`	`}`