Cannot resolve symbol 'NotBlank'?

user_13703625 0
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I just began my spring boot yestoday, but cannot resolve symbol 'NotBlank'. I tried to restart , reimport, can someone tell me how to solve this problem plz.

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1 Answers

Adding spring-boot-starter-validation to your project will likely fix this problem.

with Maven: 

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

with Gradle: 

dependencies {
  ...
  implementation 'org.springframework.boot:spring-boot-starter-validation'
}
user_12995330
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