<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>com</groupId>

  <artifactId>test</artifactId>

  <version>0.0.1-SNAPSHOT</version>

  <packaging>jar</packaging>

  <name>test</name>

  <url>http://maven.apache.org</url>

  <properties>

    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

  </properties>

<parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>1.5.9.RELEASE</version>

        <relativePath/>

  </parent>  

  <dependencies>

     <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

     </dependency>  

    <dependency>

    <groupId>org.springframework.retry</groupId>

    <artifactId>spring-retry</artifactId>

</dependency>

<dependency>

          <groupId>org.aspectj</groupId>

          <artifactId>aspectjweaver</artifactId>

     </dependency>

 </dependencies>

   <!-- Package as an executable jar -->

    <build>

        <plugins>

        <plugin>

        <groupId>org.apache.maven.plugins</groupId>

        <artifactId>maven-compiler-plugin</artifactId>

        <configuration>

          <source>1.8</source>

          <target>1.8</target>

        </configuration>

      </plugin>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

        </plugins>

    </build>  

</project>

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.retry.annotation.EnableRetry;

@SpringBootApplication

@EnableRetry

public class Application {

  public static void main(String[] args) throws Exception {

    SpringApplication.run(Application.class, args);

  }

}

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

@RestController

public class TestController {

  @Autowired

  private RemoteService remoteService;

  @RequestMapping("/show")

  public String show() {

    try {

      remoteService.call();

    } catch (Exception e) {

      // TODO Auto-generated catch block

      System.out.println("Exception Occur" + e.getMessage());

    }

    return "Hello World";

    }

}

import org.springframework.retry.annotation.Backoff;

import org.springframework.retry.annotation.Recover;

import org.springframework.retry.annotation.Retryable;

import org.springframework.stereotype.Service;

@Service

public class RemoteService {

  private final int MAXATTEMPTS = 2;

  private final long DELAY = 1000L;

  @Retryable(value = {NullPointerException.class, ArithmeticException.class},

      maxAttempts = MAXATTEMPTS, backoff = @Backoff(delay = DELAY, multiplier = 1))

  public void call() throws Exception {

    System.out.println("do something...");

    int a = 5 / 0;

    String.valueOf(null);

    // throw new NullPointerException("RPC调用异常");

  }

  @Recover

  public void recover(Exception e) {

    e.printStackTrace();

  }

}