这篇文章上次修改于 2103 天前，可能其部分内容已经发生变化，如有疑问可询问作者。 ### java cannot find symbol of kotlin ``` [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] /home/shenfeng/dev/thor-service/thor-content/src/main/java/tv/rr/thor/content/controller/CommonController.java:[9,39] cannot find symbol symbol: class GetTokenResponseData location: package tv.rr.thor.content.responseData [ERROR] /home/shenfeng/dev/thor-service/thor-content/src/main/java/tv/rr/thor/content/controller/CommonController.java:[54,25] cannot find symbol symbol: class GetTokenResponseData location: class tv.rr.thor.content.controller.CommonController `` 解决方案：把kotlin编译插件放在java编译插件的上面，另外需要kotlin在<phase>process-sources</phase> 阶段就执行 配置如下 ```xml <plugins> <plugin> <groupId>org.jetbrains.kotlin</groupId> <artifactId>kotlin-maven-plugin</artifactId> <version>${kotlin.version}</version> <executions> <execution> <id>compile</id> <phase>process-sources</phase> <!--<phase>compile</phase>--> <goals> <goal>compile</goal> </goals> <configuration> <sourceDirs> <sourceDir>${project.basedir}/src/main/kotlin</sourceDir> <sourceDir>${project.basedir}/src/main/java</sourceDir> </sourceDirs> </configuration> </execution> <execution> <id>test-compile</id> <phase>test-compile</phase> <goals> <goal>test-compile</goal> </goals> </execution> </executions> <configuration> <args> <arg>-Xjsr305=strict</arg> </args> <compilerPlugins> <plugin>spring</plugin> </compilerPlugins> <jvmTarget>1.8</jvmTarget> </configuration> <dependencies> <dependency> <groupId>org.jetbrains.kotlin</groupId> <artifactId>kotlin-maven-allopen</artifactId> <version>${kotlin.version}</version> </dependency> </dependencies> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.0</version> <executions> <execution> <id>default-compile</id> <phase>none</phase> </execution> <execution> <id>default-testCompile</id> <phase>none</phase> </execution> <execution> <id>java-compile</id> <phase>compile</phase> <goals> <goal>compile</goal> </goals> </execution> <execution> <id>java-test-compile</id> <phase>test-compile</phase> <goals> <goal>testCompile</goal> </goals> </execution> </executions> <configuration> <release>11</release> <source>11</source> <target>11</target> </configuration> </plugin> </plugins> ```
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