Guard against missing EndpointAutoConfiguration class

fixes gh-319

spring-cloud-context/src/test/java/org/springframework/cloud/autoconfigure/RefreshAutoConfigurationMoreClassPathTests.java

@@ -0,0 +1,48 @@
+package org.springframework.cloud.autoconfigure;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.WebApplicationType;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.test.rule.OutputCapture;
+import org.springframework.cloud.endpoint.event.RefreshEventListener;
+import org.springframework.cloud.test.ClassPathExclusions;
+import org.springframework.cloud.test.ModifiedClassPathRunner;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.annotation.Configuration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Spencer Gibb
+ */
+@RunWith(ModifiedClassPathRunner.class)
+@ClassPathExclusions({"spring-boot-actuator-autoconfigure-*.jar", "spring-boot-starter-actuator-*.jar"})
+public class RefreshAutoConfigurationMoreClassPathTests {
+
+	@Rule
+	public OutputCapture outputCapture = new OutputCapture();
+
+	@Test
+	public void unknownClassProtected() {
+		try (ConfigurableApplicationContext context = getApplicationContext(
+				Config.class, "debug=true")) {
+			String output = this.outputCapture.toString();
+			assertThat(output).doesNotContain("Failed to introspect annotations on [class org.springframework.cloud.autoconfigure.RefreshEndpointAutoConfiguration")
+					.doesNotContain("TypeNotPresentExceptionProxy");
+		}
+	}
+
+	private static ConfigurableApplicationContext getApplicationContext(
+			Class<?> configuration, String... properties) {
+		return new SpringApplicationBuilder(configuration).web(WebApplicationType.NONE).properties(properties).run();
+	}
+
+	@Configuration
+	@EnableAutoConfiguration
+	static class Config {
+
+	}
+}