SPR-16754 InputStream has already been read

SPR-16754/README.md

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+
+    mvn spring-boot:run
+    curl localhost:8080/ -H "Range:bytes=1-"

SPR-16754/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>fix-spring</groupId>
+	<artifactId>spr16754</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.0.1.RELEASE</version>
+	</parent>
+
+	<properties>
+		<java-version>1.8</java-version>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+	</dependencies>
+</project>

SPR-16754/src/main/java/spr16754/SPR16754.java

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+package spr16754;
+
+import static org.springframework.http.ResponseEntity.ok;
+
+import java.io.InputStream;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.ResponseEntity.BodyBuilder;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@SpringBootApplication
+@Controller
+public class SPR16754 {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SPR16754.class, args);
+	}
+
+	@GetMapping("/")
+	public ResponseEntity<InputStreamResource> download() {
+		InputStream stream = getClass().getResourceAsStream("/blob");
+		BodyBuilder builder = ok();
+		builder.contentType(MediaType.APPLICATION_OCTET_STREAM);
+		return builder.body(new InputStreamResource(stream));
+	}
+
+}