Fix spring-kafka-2.7 latest dep tests (#9921)

instrumentation/spring/spring-kafka-2.7/testing/src/main/java/io/opentelemetry/testing/ConsumerConfig.java

@@ -5,6 +5,7 @@
 
 package io.opentelemetry.testing;
 
+import java.lang.reflect.Method;
 import org.apache.kafka.clients.admin.NewTopic;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.SpringBootConfiguration;
@@ -15,6 +16,8 @@ import org.springframework.kafka.config.ContainerCustomizer;
 import org.springframework.kafka.config.TopicBuilder;
 import org.springframework.kafka.core.ConsumerFactory;
 import org.springframework.kafka.listener.ConcurrentMessageListenerContainer;
+import org.springframework.util.backoff.BackOff;
+import org.springframework.util.backoff.FixedBackOff;
 
 @SpringBootConfiguration
 @EnableAutoConfiguration
@@ -50,7 +53,13 @@ public class ConsumerConfig {
     ConcurrentKafkaListenerContainerFactory<String, String> factory =
         new ConcurrentKafkaListenerContainerFactory<>();
     // do not retry failed records
-    factory.setBatchErrorHandler(new DoNothingBatchErrorHandler());
+    try {
+      Class.forName("org.springframework.kafka.listener.BatchErrorHandler");
+      ErrorHandlerSetter.setBatchErrorHandler(factory);
+    } catch (ClassNotFoundException ignored) {
+      // org.springframework.kafka.listener.BatchErrorHandler is missing in latest
+      setCommonErrorHandler(factory);
+    }
     factory.setConsumerFactory(consumerFactory);
     factory.setBatchListener(true);
     factory.setAutoStartup(true);
@@ -68,11 +77,34 @@ public class ConsumerConfig {
     ConcurrentKafkaListenerContainerFactory<String, String> factory =
         new ConcurrentKafkaListenerContainerFactory<>();
     // do not retry failed records
-    factory.setErrorHandler(new DoNothingErrorHandler());
+    try {
+      Class.forName("org.springframework.kafka.listener.ErrorHandler");
+      ErrorHandlerSetter.setErrorHandler(factory);
+    } catch (ClassNotFoundException ignored) {
+      // org.springframework.kafka.listener.ErrorHandler is missing in latest
+      setCommonErrorHandler(factory);
+    }
     factory.setConsumerFactory(consumerFactory);
     factory.setBatchListener(false);
     factory.setAutoStartup(true);
     customizerProvider.ifAvailable(factory::setContainerCustomizer);
     return factory;
   }
+
+  private static void setCommonErrorHandler(
+      ConcurrentKafkaListenerContainerFactory<String, String> factory) {
+    try {
+      Class<?> handlerClass =
+          Class.forName("org.springframework.kafka.listener.CommonErrorHandler");
+      Class<?> defaultHandlerClass =
+          Class.forName("org.springframework.kafka.listener.DefaultErrorHandler");
+      BackOff backOff = new FixedBackOff(0, 0);
+      Object handler =
+          defaultHandlerClass.getDeclaredConstructor(BackOff.class).newInstance(backOff);
+      Method method = factory.getClass().getMethod("setCommonErrorHandler", handlerClass);
+      method.invoke(factory, handler);
+    } catch (Exception exception) {
+      // ignored
+    }
+  }
 }

instrumentation/spring/spring-kafka-2.7/testing/src/main/java/io/opentelemetry/testing/ErrorHandlerSetter.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.testing;
+
+import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
+
+// Base classes for error handlers are missing in the latest version. Setter methods were extracted
+// in ConsumerConfig to avoid verifier attempting to load these classes.
+class ErrorHandlerSetter {
+
+  private ErrorHandlerSetter() {}
+
+  static void setBatchErrorHandler(
+      ConcurrentKafkaListenerContainerFactory<String, String> factory) {
+    factory.setBatchErrorHandler(new DoNothingBatchErrorHandler());
+  }
+
+  static void setErrorHandler(ConcurrentKafkaListenerContainerFactory<String, String> factory) {
+    factory.setErrorHandler(new DoNothingErrorHandler());
+  }
+}