[jira] [Created] (MTOOLCHAINS-28) Toolchain does not respect fork

["Max Edmiston (JIRA)" <ji...@apache.org>]

Max Edmiston created MTOOLCHAINS-28:
---------------------------------------

             Summary: Toolchain does not respect fork
                 Key: MTOOLCHAINS-28
                 URL: https://issues.apache.org/jira/browse/MTOOLCHAINS-28
             Project: Maven Toolchains Plugin
          Issue Type: Bug
    Affects Versions: 1.1
         Environment: Java 11, JDK 1.8, Maven 3.5.0
            Reporter: Max Edmiston


I am using maven-compiler-plugin with fork option, configured for Java 11 using the toolchain plugin. I have set my local environment to use JDK 1.8 by default. Forked process will use JDK 1.8, not Java 11, even with toolchain. I have tried this with and without the jdkToolchain xml tag in maven-compiler-plugin configuration.

Relevant pom.xml:

 
{code:xml}
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-compiler-plugin</artifactId>
    <version>${maven-compiler-plugin.version}</version>

    <configuration>
        <compilerId>groovy-eclipse-compiler</compilerId>
        <fork>true</fork>
        <compilerArguments>
            <javaAgentClass>lombok.launch.Agent</javaAgentClass>
        </compilerArguments>
    </configuration>

    <dependencies>
        <dependency>
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy-eclipse-compiler</artifactId>
            <version>${groovy-eclipse-compiler.version}</version>
        </dependency>
        <dependency>
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy-eclipse-batch</artifactId>
            <version>${groovy-eclipse-batch.version}</version>
        </dependency>
        <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.18.6</version>
        </dependency>
    </dependencies>
</plugin>
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-toolchains-plugin</artifactId>
    <version>1.1</version>
    <executions>
        <execution>
            <goals>
                <goal>toolchain</goal>
            </goals>
        </execution>
    </executions>
    <configuration>
        <toolchains>
            <jdk>
                <version>11</version>
                <vendor>openjdk</vendor>
            </jdk>
        </toolchains>
    </configuration>
</plugin>
{code}
 

toolchains.xml:
{code:xml}
<?xml version="1.0" encoding="UTF8"?> 
<toolchains> 
    <toolchain> 
        <type>jdk</type> 
        <provides> 
            <version>11</version> 
            <vendor>openjdk</vendor> 
        </provides> 
        <configuration> 
            <jdkHome>/Library/Java/JavaVirtualMachines/openjdk-11.0.1.jdk/Contents/Home/</jdkHome> 
        </configuration> 
    </toolchain> 
</toolchains>
{code}

Sample error:
{code:java}
[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile)  ---
[INFO] Toolchain in maven-compiler-plugin: JDK[/Library/Java/JavaVirtualMachines/openjdk-11.0.1.jdk/Contents/Home/]
[INFO] Changes detected - recompiling the module!
[INFO] Using Groovy-Eclipse compiler to compile both Java and Groovy files
[INFO] Compiling in a forked process using /Users/max.edmiston/.m2/repository/org/codehaus/groovy/groovy-eclipse-batch/2.5.4-01/groovy-eclipse-batch-2.5.4-01.jar
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] Failure executing groovy-eclipse compiler:
----------
1. ERROR in ***Test.java (at line 39)
	***.stream().findFirst().orElseThrow();
	                          ^^^^^^^^^^^
The method orElseThrow(Supplier<? extends X>) in the type Optional<Thing> is not applicable for the arguments ()
...
----------
5 problems (5 errors)

{code}



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