How to Specify the Java Compiler Version in a pom.xml File?
When encountering Java compiler errors related to unsupported features, it's likely due to an outdated compiler version being used. Maven provides a way to specify the target Java compiler version in the pom.xml file.
pom.xml Configuration for Java Compiler Version
To specify the Java compiler version in the pom.xml file, add the following properties within the
<properties> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </properties>
Replace "1.8" with the desired Java compiler version.
Resolving Errors
Make sure to check the Effective POM to verify that the maven-compiler-plugin is present in the plugin hierarchy. If not, add the following to the
<build> <plugins> <plugin> <groupid>org.apache.maven.plugins</groupid> <artifactid>maven-compiler-plugin</artifactid> <version>3.8.1</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build>
By specifying the compiler version in the pom.xml file, Maven will use that version to compile your Java code, resolving errors related to unsupported features.
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