Fixed the build

spring-cloud-contract-shade/pom.xml

@@ -70,12 +70,6 @@
 			<optional>true</optional>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>com.google.code.findbugs</groupId>
-			<artifactId>jsr305</artifactId>
-			<version>3.0.2</version>
-			<optional>true</optional>
-		</dependency>
 		<dependency>
 			<groupId>org.eclipse.sisu</groupId>
 			<artifactId>org.eclipse.sisu.plexus</artifactId>
@@ -162,8 +156,6 @@
 								<filter>
 									<excludes>
 										<exclude>org/slf4j/</exclude>
-										<exclude>org/apache/commons/lang3/</exclude>
-										<exclude>com/google/common/base/</exclude>
 									</excludes>
 								</filter>
 							</filters>

spring-cloud-contract-stub-runner/src/main/java/org/springframework/cloud/contract/stubrunner/messaging/stream/StubRunnerMessageRouter.java

@@ -51,8 +51,8 @@ class StubRunnerMessageRouter extends AbstractMessageRouter {
 			return Collections
 					.singleton((MessageChannel) this.beanFactory.getBean(channelName));
 		}
-		return Collections.singleton((MessageChannel) this.beanFactory
-				.getBean(StubRunnerStreamConfiguration.DummyMessageHandler.CHANNEL_NAME));
+		return Collections
+				.singleton((MessageChannel) this.beanFactory.getBean("nullChannel"));
 	}
 
 }

spring-cloud-contract-stub-runner/src/main/java/org/springframework/cloud/contract/stubrunner/messaging/stream/StubRunnerStreamConfiguration.java

@@ -48,7 +48,6 @@ import org.springframework.integration.dsl.GenericEndpointSpec;
 import org.springframework.integration.dsl.IntegrationFlowBuilder;
 import org.springframework.integration.dsl.IntegrationFlows;
 import org.springframework.integration.transformer.MessageTransformingHandler;
-import org.springframework.messaging.Message;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 import org.springframework.util.StringUtils;
@@ -96,11 +95,6 @@ public class StubRunnerStreamConfiguration {
 			BatchStubRunner batchStubRunner) {
 		Map<StubConfiguration, Collection<Contract>> contracts = batchStubRunner
 				.getContracts();
-		IntegrationFlowBuilder dummyBuilder = IntegrationFlows
-				.from(DummyMessageHandler.CHANNEL_NAME)
-				.handle(new DummyMessageHandler(), "handle");
-		beanFactory.initializeBean(dummyBuilder.get(),
-				DummyMessageHandler.CHANNEL_NAME + ".flow");
 		for (Entry<StubConfiguration, Collection<Contract>> entry : contracts
 				.entrySet()) {
 			StubConfiguration key = entry.getKey();
@@ -158,15 +152,6 @@ public class StubRunnerStreamConfiguration {
 		return new FlowRegistrar();
 	}
 
-	static class DummyMessageHandler {
-
-		static String CHANNEL_NAME = "stub_runner_dummy_channel";
-
-		public void handle(Message<?> message) {
-		}
-
-	}
-
 	static class FlowRegistrar {
 
 	}

tests/spring-cloud-contract-stub-runner-stream/src/test/groovy/org/springframework/cloud/contract/stubrunner/messaging/stream/StreamStubRunnerSpec.groovy

@@ -38,7 +38,6 @@ import org.springframework.cloud.stream.messaging.Source
 import org.springframework.context.annotation.Configuration
 import org.springframework.messaging.Message
 import org.springframework.test.context.ContextConfiguration
-
 /**
  * @author Marcin Grzejszczak
  */
@@ -145,7 +144,7 @@ class StreamStubRunnerSpec extends Specification {
 			assertJsons(receivedMessage.payload)
 			receivedMessage.headers.get('BOOK-NAME') == 'foo'
 	}
-
+	
 	def 'should trigger a label with no output message'() {
 		when:
 			// tag::trigger_no_output[]