encode uri if needed

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/zuul/filters/route/RibbonCommand.java

@@ -21,6 +21,10 @@ import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.List;
 
+import org.springframework.util.MultiValueMap;
+import org.springframework.util.StringUtils;
+import org.springframework.web.util.UriComponentsBuilder;
+
 import com.netflix.client.http.HttpRequest;
 import com.netflix.client.http.HttpRequest.Builder;
 import com.netflix.client.http.HttpRequest.Verb;
@@ -35,7 +39,6 @@ import com.netflix.hystrix.HystrixCommandProperties.ExecutionIsolationStrategy;
 import com.netflix.niws.client.http.RestClient;
 import com.netflix.zuul.constants.ZuulConstants;
 import com.netflix.zuul.context.RequestContext;
-import org.springframework.util.MultiValueMap;
 
 /**
  * Hystrix wrapper around Eureka Ribbon command
@@ -77,7 +80,7 @@ public class RibbonCommand extends HystrixCommand<HttpResponse> {
 		super(getSetter(commandKey));
 		this.restClient = restClient;
 		this.verb = verb;
-		this.uri = new URI(uri);
+		this.uri = (StringUtils.hasText(uri))? UriComponentsBuilder.fromUriString(uri).build().toUri() : new URI(uri);
 		this.retryable = retryable;
 		this.headers = headers;
 		this.params = params;

spring-cloud-netflix-core/src/test/java/org/springframework/cloud/netflix/zuul/SampleZuulProxyApplicationTests.java

@@ -132,6 +132,15 @@ public class SampleZuulProxyApplicationTests {
 		assertEquals("Gotten 1!", result.getBody());
 	}
 
+	@Test
+	public void routeWithSpace() {
+		ResponseEntity<String> result = new TestRestTemplate().exchange(
+				"http://localhost:" + this.port + "/simple/spa ce",
+				HttpMethod.GET, new HttpEntity<>((Void) null), String.class);
+		assertEquals(HttpStatus.OK, result.getStatusCode());
+		assertEquals("Hello space", result.getBody());
+	}
+
 }
 
 // Don't use @SpringBootApplication because we don't want to component scan
@@ -169,6 +178,11 @@ class SampleZuulProxyApplication {
 		return "Hello world";
 	}
 
+	@RequestMapping("/spa ce")
+	public String space() {
+		return "Hello space";
+	}
+
 	@Bean
 	public ZuulFilter sampleFilter() {
 		return new ZuulFilter() {