maven项目打包报错:no scalaVersion detected or set
时间: 2024-01-17 10:03:00 浏览: 145
这个报错是因为 Maven 没有检测到 Scala 的版本号。解决方法如下:
1. 在 pom.xml 文件中添加以下依赖:
```xml
<properties>
<scala.version>2.12.11</scala.version>
</properties>
<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>${scala.version}</version>
</dependency>
</dependencies>
```
2. 检查是否在 Maven 的 settings.xml 文件中设置了 Scala 的版本号。如果没有,在 `<profiles>` 标签下添加以下内容:
```xml
<profile>
<id>scala</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<scala.version>2.12.11</scala.version>
</properties>
</profile>
```
3. 如果使用的是 Scala 插件,可以在 pom.xml 文件中添加以下插件配置:
```xml
<build>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<version>2.15.2</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
<configuration>
<scalaVersion>2.12.11</scalaVersion>
</configuration>
</plugin>
</plugins>
</build>
```
以上是三种解决方法,你可以根据自己的情况选择一种尝试。
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