Used Tech Stack:
Java 8 MapStruct: 1.2.0.Final Lombok: 1.16.18 IDE: IntelliJ - Lombok plugin is already installed
- Initially I had problems when I removed the getters and setters and add annotations
@Getter, and @Setter, mapstructunable to find the property, and said:Unknown property "id" in result type com.vg.once.dto.OneDto. Did you mean "null"? - I found out that Lombok 1.16.14 or later together with MapStruct 1.2.0.Beta1 or later are compatible and can work together, but my versions are newer and then still the problem arises.
- Another solution that I have already tried is the Lombok Delombok plugin, but still the same problem arises.
Below are the project files:
Entity Object: One.java :
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
public class One {
private int id;
private Integer version;
private int projectId;
private String title;
private String code;
private int sortOrder;
}
DTO Object: OneDTO.java :
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
public class OneDto {
private int id;
private Integer version;
private int projectId;
private String title;
private String code;
private int sortOrder;
}
: OneMapper.java
import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import com.vg.once.dto.OneDto;
import com.vg.once.entity.One;
@Mapper
public interface OneMapper {
@Mapping(target="id", source="one.id")
OneDto createOne (One one);
}
pom.xml
<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.vg</groupId>
<artifactId>mapstruct</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Mapstruct-test</name>
<properties>
<java.version>1.8</java.version>
<org.mapstruct.version>1.2.0.Final</org.mapstruct.version>
<org.projectlombok.version>1.16.18</org.projectlombok.version>
</properties>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${org.projectlombok.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-jdk8</artifactId>
<version>${org.mapstruct.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.projectlombok</groupId>
<artifactId>lombok-maven-plugin</artifactId>
<version>1.16.18.1</version>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>delombok</goal>
</goals>
</execution>
</executions>
<configuration>
<sourceDirectory>src/main/java</sourceDirectory>
<addOutputDirectory>false</addOutputDirectory>
<outputDirectory>${project.build.directory}/delombok</outputDirectory>
<encoding>UTF-8</encoding>
<skip>false</skip>
<verbose>false</verbose>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.1</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<annotationProcessorPaths>
<path>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>${org.mapstruct.version}</version>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
</plugins>
</build>
</project>
:
[INFO] Scanning for projects...
[INFO]
[INFO]
[INFO] Building Mapstruct-test 0.0.1-SNAPSHOT
[INFO]
[INFO]
[INFO]
[INFO] Delombok complete.
[INFO]
[INFO]
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] Copying 0 resource
[INFO]
[INFO]
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent!
[INFO] Compiling 5 source files to /home/vivekgupta/Documents/workspaces/mapstruct-test/mapstruct/target/classes
[INFO]
[ERROR] COMPILATION ERROR :
[INFO]
[ERROR] /home/vivekgupta/Documents/workspaces/mapstruct-test/mapstruct/src/main/java/com/vg/once/mapper/OneMapper.java:[12,9] Unknown property "id" in result type com.vg.once.dto.OneDto. Did you mean "null"?
[INFO] 1 error
[INFO]
[INFO]
[INFO] BUILD FAILURE
[INFO]
[INFO] Total time: 1.637 s
[INFO] Finished at: 2017-12-06T19:23:53+05:30
[INFO] Final Memory: 19M/235M
[INFO]
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.1:compile (default-compile) on project mapstruct: Compilation failure
[ERROR] /home/vivekgupta/Documents/workspaces/mapstruct-test/mapstruct/src/main/java/com/vg/once/mapper/OneMapper.java:[12,9] Unknown property "id" in result type com.vg.once.dto.OneDto. Did you mean "null"?
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
, , Lombok MapStruct?