You are making progress! I saw those same errors in one of our automated builds the other day. I am not sure what the problem is but haven’t looked into it yet.
Ralph > On Dec 8, 2020, at 9:23 AM, Joseph Tsai <jtsa0...@gmail.com> wrote: > > I kinda inferred that from reading the mvnw script when Volkan directed me to > run command. So I exported JAVA_HOME=[path/to/my/Java8] into my .bashrc and > I'm not failing the same thing anymore. > > But I'm still getting errors, this time it is failing some unit tests from > the surefire plugin. I tried to fix it but I couldn't. > <image.png> > <image.png> > <image.png> > From reading some > <https://stackoverflow.com/questions/36427868/failed-to-execute-goal-org-apache-maven-pluginsmaven-surefire-plugin2-12test/55835974> > StackOverflow > <https://stackoverflow.com/questions/46831762/maven-build-and-maven-failsafe-plugin-the-forked-vm-terminated-without-properl> > posts, it seems to have something to do with the surefire plugin version > number? I tried to downgrade it to some lower versions but it didn't work. > > I have also attached a zip of the surefire reports. > > Thanks, > > > On Wed, 9 Dec 2020 at 02:37, Matt Sicker <boa...@gmail.com > <mailto:boa...@gmail.com>> wrote: > The full build isn't compatible with Java 11 yet, so you need both 8 and 11 > configured in a toolchains.xml config. Then you need to use Java 8 as the > default JVM (or at least the contents of JAVA_HOME), and the build will > switch to higher version compilers for the modules that require it. > Ideally, the build would be updated to simplify this, but it's a fairly > difficult problem as it's still a relatively new area in Maven with > multiple alternatives to how to support it. > > On Tue, 8 Dec 2020 at 08:13, Volkan Yazıcı <volkan.yaz...@gmail.com > <mailto:volkan.yaz...@gmail.com>> wrote: > > > Would you mind changing the default JDK you start *mvnw* to version 8 and > > retrying via *./mvnw clean package -DskipTests*, please? (Here *clean* > > goal is necessary for removing the class files compiled earlier with the > > wrong JDK.) > > [Sorry for the short answer, struggling with my day-job in the meantime.] > > > > On Tue, Dec 8, 2020 at 3:02 PM Joseph Tsai <jtsa0...@gmail.com > > <mailto:jtsa0...@gmail.com>> wrote: > > > >> Hi Volkan, > >> > >> I just installed both JDK8 and 11 and tried to do mvn clean install. The > >> same error persists, and I think it's looking at my default Java > >> installation? > >> Running "sudo update-alternatives --config java" shows the following: > >> [image: image.png] > >> Currently it is defaulted to Java15, and everytime I change the default > >> Java the wrong version circled in blue changes. > >> [image: image.png] > >> I also looked up what version 53 is, it is apparently Java9? > >> > >> My questions are: > >> > >> - Am I supposed to update the default Java to Java11 or 8? If not, is > >> simply putting in more toolchain entries under toolchains.xml is enough? > >> - How is Java9 related to the error message, if at all? > >> - Honestly I am not sure what I'm supposed to do with the maven.yml > >> example you linked... > >> > >> I have also attached a new copy of my updated toolchains.xml. A bit of > >> information on my environment, I'm using Windows and do development through > >> WSL2.0. > >> > >> Thanks once again, > >> Joseph > >> > >> On Tue, 8 Dec 2020 at 22:44, Volkan Yazıcı <volkan.yaz...@gmail.com > >> <mailto:volkan.yaz...@gmail.com>> > >> wrote: > >> > >>> Hello Joseph, > >>> > >>> You need to have both JDK 8 and 11 installed and configured in your > >>> toolchains.xml file. For reference, you can check how we do it in GitHub > >>> Actions workflow: maven.yml > >>> < > >>> https://github.com/apache/logging-log4j2/blob/master/.github/workflows/maven.yml > >>> > >>> <https://github.com/apache/logging-log4j2/blob/master/.github/workflows/maven.yml> > >>> > > >>> and maven-toolchains.xml > >>> < > >>> https://github.com/apache/logging-log4j2/blob/master/.github/workflows/maven-toolchains.xml > >>> > >>> <https://github.com/apache/logging-log4j2/blob/master/.github/workflows/maven-toolchains.xml> > >>> >. > >>> Once this is done, *./mvnw package -DskipTests* should succeed. Let us > >>> know > >>> if you encounter any further troubles. > >>> > >>> Kind regards. > >>> > >>> On Tue, Dec 8, 2020 at 12:22 PM Joseph Tsai <jtsa0...@gmail.com > >>> <mailto:jtsa0...@gmail.com>> wrote: > >>> > >>> > Hi everyone, > >>> > > >>> > I forked and cloned the project from GitHub > >>> > <https://github.com/apache/logging-log4j2 > >>> > <https://github.com/apache/logging-log4j2>>. And spent the past couple > >>> of > >>> > hours trying to build from source with mvn install. > >>> > > >>> > It is failing with errors saying "class file has wrong version 55.0, > >>> > should be 53.0" for "bad class file: > >>> > /modules/java.base/java/util/EnumSet.class", which I think it means I > >>> > probably need to find a Java 9 to install and build the project with? > >>> But > >>> > since Java 9 was discontinued, I haven't been able to find an Oracle > >>> nor an > >>> > OpenJDK version to install. > >>> > > >>> > I have attached an output txt file for maven install and my current > >>> maven > >>> > toolchain.xml if it helps clarifying what I might have been doing > >>> wrong. > >>> > > >>> > Thanks, > >>> > Joseph > >>> > > >>> > >> > <surefire-reports.zip>