Configuration of Java used for surefire plugin / JUnit tests

["Hohl, Gerrit" <g....@aurenz.de>]

Hello everyone, :-)

 

I have a Jenkins based build server on which different version of Java
are installed for different builds (for older versions of our software).

I can control the Java version used by the compiler plugin as well as by
javadoc plugin.

But I haven't found a way to control the Java version used by the
surefire plugin for the JUnit tests.

 

Example:

The default Java is 8 while Java 7 should be used as target for the
build.

 

For the compiler plugin I can configure the following:

<configuration>

                <source>1.7</source>

                <target>1.7</target>

                <executable>C:\Program
Files\Java\jdk1.7.0_80\bin\javac</executable>

</configuration>

 

For the javadoc plugin I can configure the following:

<configuration>

                <javadocExecutable>C:\Program
Files\Java\jdk1.7.0_80\bin\javadoc</javadocExecutable>

</configuration>

 

And both configurations work. The classes will be Java 1.7 classes. And
Javadoc e.g. doesn't need that "-doclint" parameter (otherwise it will
fail because of malformed HTML code in the Javadoc comments for some
reason).

But if the Maven is started using Java 1.8 the JUnit tests will be
performed Java 1.8.

Unfortunately a few of the standard classes behave differently in 1.8
than in 1.7 (e.g. JAXB).

So I want them executed also using Java 1.7.

 

About why Maven is started using Java 1.8: Because it is the default
Java of the machine and I want to configure everything within Maven and
nothing outside (e.g. in Jenkins).

 

Any ideas?

 

Regards,

Gerrit

 

AW: Configuration of Java used for surefire plugin / JUnit tests

["Hohl, Gerrit" <g....@aurenz.de>]

Hello everyone, :-)

ehm, okay, forget it. I found the solution. I need the following configuration for the surefire plugin:

<configuration>
	<jvm>C:\Program Files\jdk1.7.0_80\bin\java</jvm>
</configuration>

The "forkCount" has to be 1. 0 would use the current JVM. As 1 is the default value it is not necessary to configure it (at least in my case).


Regards,
Gerrit

-----Ursprüngliche Nachricht-----
Von: Hohl, Gerrit [mailto:g.hohl@aurenz.de] 
Gesendet: Dienstag, 27. Oktober 2015 17:21
An: users@maven.apache.org
Betreff: Configuration of Java used for surefire plugin / JUnit tests

Hello everyone, :-)

 

I have a Jenkins based build server on which different version of Java are installed for different builds (for older versions of our software).

I can control the Java version used by the compiler plugin as well as by javadoc plugin.

But I haven't found a way to control the Java version used by the surefire plugin for the JUnit tests.

 

Example:

The default Java is 8 while Java 7 should be used as target for the build.

 

For the compiler plugin I can configure the following:

<configuration>

                <source>1.7</source>

                <target>1.7</target>

                <executable>C:\Program
Files\Java\jdk1.7.0_80\bin\javac</executable>

</configuration>

 

For the javadoc plugin I can configure the following:

<configuration>

                <javadocExecutable>C:\Program Files\Java\jdk1.7.0_80\bin\javadoc</javadocExecutable>

</configuration>

 

And both configurations work. The classes will be Java 1.7 classes. And Javadoc e.g. doesn't need that "-doclint" parameter (otherwise it will fail because of malformed HTML code in the Javadoc comments for some reason).

But if the Maven is started using Java 1.8 the JUnit tests will be performed Java 1.8.

Unfortunately a few of the standard classes behave differently in 1.8 than in 1.7 (e.g. JAXB).

So I want them executed also using Java 1.7.

 

About why Maven is started using Java 1.8: Because it is the default Java of the machine and I want to configure everything within Maven and nothing outside (e.g. in Jenkins).

 

Any ideas?

 

Regards,

Gerrit

 


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