錯誤提示 ：

java.lang.NoSuchMethodError: org.json.JSONObject.put(Ljava/lang/String;Ljava/util/Collection;)Lorg/json/JSONObject;

解決方案，排除沖突包

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-test</artifactId>
  <scope>test</scope>
  <exclusions>
    <exclusion>
      <groupId>com.vaadin.external.google</groupId>
      <artifactId>android-json</artifactId>
    </exclusion>
  </exclusions>
</dependency>

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-configuration-processor</artifactId>
  <optional>true</optional>
  <exclusions>
    <exclusion>
      <groupId>com.vaadin.external.google</groupId>
      <artifactId>android-json</artifactId>
    </exclusion>
  </exclusions>
</dependency>
 

信鴿推送在springboot中出現jar包沖突問題