无效的目标版本:12
mvn -version Apache Maven 3.6.1
这是我的JAVA
# which java
/usr/bin/java
# java -version
openjdk version "12.0.2" 2019-07-16
还有pom.xml代码
<properties>
<maven.compiler.source>12</maven.compiler.source>
<maven.compiler.target>12</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration> <useIncrementalCompilation>true</useIncrementalCompilation>
<compilerArgs>
<arg>-parameters</arg>
<arg>-Xlint:unchecked</arg>
<arg>--enable-preview</arg>
</compilerArgs>
</configuration>
</plugin>
如何实现正常构建?
答案 0 :(得分:1)
您需要在插件中引用版本
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<release>12</release>
</configuration>
</plugin>
像这里Unable to compile simple Java 10 / Java 11 project with Maven