[英]Spring Boot+JPA+QueryDSL=OrderSpecifier not found
I have this pom.xml: 我有这个pom.xml:
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.5.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>com.mysema.querydsl</groupId>
<artifactId>querydsl-jpa</artifactId>
</dependency>
<dependency>
<groupId>com.mysema.querydsl</groupId>
<artifactId>querydsl-apt</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.8</version>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>com.mysema.maven</groupId>
<artifactId>apt-maven-plugin</artifactId>
<version>1.1.3</version>
<executions>
<execution>
<goals>
<goal>process</goal>
</goals>
<configuration>
<outputDirectory>target/generated-sources/java</outputDirectory>
<processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
And this Entity: 而这个实体:
@Entity
@Data
@Builder
public class DataDto {
@Id
private String id;
private String name;
}
And this Repo: 这个回购:
public interface DataRepo extends JpaRepository <DataDto,String>, QueryDslPredicateExecutor<DataDto> {
}
I get this error: 我收到此错误:
Error:(9, 8) java: cannot access com.mysema.query.types.OrderSpecifier
class file for com.mysema.query.types.OrderSpecifier not found
It sounds like I'm missing a dependency or something?? 听起来我错过了一个依赖或什么?
I've been following these links to help: http://www.querydsl.com/static/querydsl/latest/reference/html/ch02.html#jpa_integration http://spring.io/blog/2011/04/26/advanced-spring-data-jpa-specifications-and-querydsl 我一直在关注这些链接: http : //www.querydsl.com/static/querydsl/latest/reference/html/ch02.html#jpa_integration http://spring.io/blog/2011/04/26 /先进-弹簧-数据- JP-A-规格和- querydsl
Add following dependency in the project 在项目中添加以下依赖项
<dependency>
<groupId>com.querydsl</groupId>
<artifactId>querydsl-jpa</artifactId>
<version>4.0.3</version>
</dependency>
Version number according to the your JPA version. 版本号根据您的JPA版本。
My spring boot version is 2.0.5.RELEASE I resolved this problem by adding this dependency 我的春季启动版本是2.0.5.RELEASE我通过添加此依赖项解决了这个问题
<!-- https://mvnrepository.com/artifact/com.mysema.querydsl/querydsl-jpa -->
<dependency>
<groupId>com.mysema.querydsl</groupId>
<artifactId>querydsl-jpa</artifactId>
<version>2.0.7</version>
</dependency>
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