使用ajax請求springmvc 後臺接口,返回json數據使用了註解@ResponseBody返回請求結果一直走error,後臺提示ajax請求報錯No converter found for return value of type: class java.util.ArrayList
,說沒有類型爲java.util.ArrayList的返回值的轉換器,可明明有啊,找了半天終於知道了,版本衝突導致的,
需要更新一下json的jar包就好了
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.9</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.9</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.9</version>
</dependency>