Spring Native初探

/Library/Java/JavaVirtualMachines/

export GRAALVM17_HOME=$(/usr/libexec/java_home -v 17)
export JAVA_HOME=$GRAALVM17_HOME

alias java17g='export JAVA_HOME=$GRAALVM17_HOME;java -version'

$ sudo xattr -r -d com.apple.quarantine $GRAALVM17_HOME

$ java -version
openjdk version "17.0.1" 2021-10-19
OpenJDK Runtime Environment GraalVM CE 21.3.0 (build 17.0.1+12-jvmci-21.3-b05)
OpenJDK 64-Bit Server VM GraalVM CE 21.3.0 (build 17.0.1+12-jvmci-21.3-b05, mixed mode, sharing)

$ cd $GRAALVM_HOME/bin
$ ./gu install native-image

$ sudo xcode-select --install

.
├── HELP.md
├── pom.xml
├── src
│   ├── main
│   │   ├── java
│   │   │   └── com
│   │   │       └── ajk
│   │   │           └── testspringnative
│   │   │               └── TestSpringNativeApplication.java
│   │   └── resources
│   │       ├── application.yml
│   │       ├── static
│   │       └── templates
│   └── test
│       └── java
│           └── com
│               └── ajk
│                   └── testspringnative
│                       └── TestSpringNativeApplicationTests.java

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@RestController
public class TestSpringNativeApplication {

    public static void main(String[] args) {
        SpringApplication.run(TestSpringNativeApplication.class, args);
    }

    @GetMapping("/hello")
    public String hello(@RequestParam(value = "name", defaultValue = "World") String name) {
        return String.format("Hello %s!", name);
    }

}

server:
  port: 9000
  shutdown: graceful

spring:
  profiles:
    active: default

logging:
  level:
    root: info

<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.2</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.ajk</groupId>
    <artifactId>test-spring-native</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>test-spring-native</name>
    <description>test-spring-native</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    <dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

<repositories>
    <!-- ... -->
    <repository>
        <id>spring-release</id>
        <name>Spring release</name>
        <url>https://repo.spring.io/release</url>
    </repository>
</repositories>
<pluginRepositories>
    <!-- ... -->
    <pluginRepository>
        <id>spring-release</id>
        <name>Spring release</name>
        <url>https://repo.spring.io/release</url>
    </pluginRepository>
</pluginRepositories>

<dependencies>
    <!-- ... -->
    <dependency>
        <groupId>org.springframework.experimental</groupId>
        <artifactId>spring-native</artifactId>
        <version>0.11.1</version>
    </dependency>
</dependencies>

<build>
    <plugins>
        <!-- ... -->
        <plugin>
            <groupId>org.springframework.experimental</groupId>
            <artifactId>spring-aot-maven-plugin</artifactId>
            <version>0.11.1</version>
            <executions>
                <execution>
                    <id>generate</id>
                    <goals>
                        <goal>generate</goal>
                    </goals>
                </execution>
                <execution>
                    <id>test-generate</id>
                    <goals>
                        <goal>test-generate</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

<profiles>
    <profile>
        <id>native</id>
        <build>
            <plugins>
                <plugin>
                    <groupId>org.graalvm.buildtools</groupId>
                    <artifactId>native-maven-plugin</artifactId>
                    <version>0.9.9</version>
                    <extensions>true</extensions>
                    <executions>
                        <execution>
                            <id>build-native</id>
                            <goals>
                                <goal>build</goal>
                            </goals>
                            <phase>package</phase>
                        </execution>
                    </executions>
                    <configuration>
                        <!-- ... -->
                    </configuration>
                </plugin>
                <!-- Avoid a clash between Spring Boot repackaging and native-maven-plugin -->
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <configuration>
                        <classifier>exec</classifier>
                    </configuration>
                </plugin>
            </plugins>
        </build>
    </profile>
</profiles>

$ mvn clean -Pnative -DskipTests package

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原文始发于微信公众号（分布式实验室）：Spring Native初探