Pass JVM args to maven surefire, conditional on build Java version?

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Is there a way that I can pass this argLine configuration to the maven-surefire plugin ONLY when <jdk.version>1.7</jdk.version> is configured for Java 1.7 but NOT when a user changes the pom.xml to be configured for java 1.8?

The reason being that Java 1.8 doesn't have permgen space.

<argLine>-Xmx1024m -XX:MaxPermSize=256m</argLine>
maven-surefire-plugin maven
2 Answers

Rather than a property, you should use the JDK based activation.

<project>
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.sample</groupId>
    <artifactId>sample-project</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <jdk.version>1.7</jdk.version>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.5.1</version>
                <configuration>
                    <source>${jdk.version}</source>
                    <target>${jdk.version}</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <profiles>
        <profile>
            <id>surefire-java7</id>
            <activation>
                <jdk>(,1.8)</jdk>
            </activation>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-surefire-plugin</artifactId>
                        <version>2.19.1</version>
                        <configuration>
                            <argLine>-Xmx1024m -XX:MaxPermSize=256m</argLine>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>
        <profile>
            <id>surefire-java8</id>
            <activation>
                <jdk>1.8</jdk>
            </activation>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-surefire-plugin</artifactId>
                        <version>2.19.1</version>
                        <configuration>
                            <argLine>-Xmx1024m</argLine>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>
    </profiles>
</project>

Cf maven documentation. http://maven.apache.org/guides/introduction/introduction-to-profiles.html http://maven.apache.org/enforcer/enforcer-rules/versionRanges.html

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