Fix bug #2301. The SseHttpClientTransportAutoConfiguration will always run for the class name in @ConditionalOnMissingClass is wrong.

Signed-off-by: Mota <[email protected]>

Author: banalite

auto-configurations/spring-ai-mcp-client/src/main/java/org/springframework/ai/autoconfigure/mcp/client/SseHttpClientTransportAutoConfiguration.java

@@ -63,7 +63,7 @@
  */
 @AutoConfiguration(after = SseWebFluxTransportAutoConfiguration.class)
 @ConditionalOnClass({ McpSchema.class, McpSyncClient.class })
-@ConditionalOnMissingClass("io.modelcontextprotocol.client.transport.public class WebFluxSseClientTransport")
+@ConditionalOnMissingClass("io.modelcontextprotocol.client.transport.WebFluxSseClientTransport")
 @EnableConfigurationProperties({ McpSseClientProperties.class, McpClientCommonProperties.class })
 @ConditionalOnProperty(prefix = McpClientCommonProperties.CONFIG_PREFIX, name = "enabled", havingValue = "true",
 		matchIfMissing = true)

auto-configurations/spring-ai-mcp-client/src/test/java/org/springframework/ai/autoconfigure/mcp/client/SseHttpClientTransportAutoConfigurationTest.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ai.autoconfigure.mcp.client;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Import;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
+@SpringJUnitConfig
+@Import(SseHttpClientTransportAutoConfiguration.class)
+public class SseHttpClientTransportAutoConfigurationTest {
+	@Autowired
+	private ApplicationContext applicationContext;
+
+	@Test
+	void testConditionOnMissingClass_whenClassNotPresent() {
+		assertFalse(applicationContext.containsBean("sseHttpClientTransportAutoConfiguration"));
+	}
+
+	@Test
+	void testConditionOnMissingClass_whenClassPresent() throws ClassNotFoundException {
+		Class.forName("io.modelcontextprotocol.client.transport.WebFluxSseClientTransport");
+		assertFalse(applicationContext.containsBean("sseHttpClientTransportAutoConfiguration"));
+	}
+}