correctly set up my main file so that jars run that

6 jobs for forgettingExperiments in 1 minute and 3 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed jars-j8 #35279

00:00:21

failed java8 #35278

00:00:41

 
  Test
skipped java7 #35280
allowed to fail
skipped maven36-java11 #35282
allowed to fail
skipped maven36-java13 #35283
allowed to fail
skipped maven36-java8 #35281
allowed to fail
 
Name Stage Failure
failed
java8 Build
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:356)
33167 [ERROR]
33167 [ERROR] Re-run Maven using the -X switch to enable full debug logging.
33168 [ERROR]
33168 [ERROR] For more information about the errors and possible solutions, please read the following articles:
33168 [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
Cleaning up file based variables
ERROR: Job failed: exit code 1