[INFO] 
[INFO] ----------------< de.fhdw.gaming.othello:othello-core >-----------------
[INFO] Building Othello Core 1.0.0-SNAPSHOT                               [3/6]
[INFO]   from othello-core/pom.xml
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- clean:3.2.0:clean (default-clean) @ othello-core ---
[INFO] Deleting /var/lib/jenkins/home/jobs/othello/workspace/othello/othello-core/target
[INFO] 
[INFO] --- enforcer:3.2.1:enforce (enforce-versions) @ othello-core ---
[INFO] 
[INFO] --- checkstyle:3.2.1:check (checkstyle) @ othello-core ---
[INFO] You have 0 Checkstyle violations.
[INFO] 
[INFO] >>> pmd:3.20.0:check (pmd) > :pmd @ othello-core >>>
[INFO] 
[INFO] --- pmd:3.20.0:pmd (pmd) @ othello-core ---
[INFO] PMD version: 6.55.0
[INFO] Rendering content with org.apache.maven.skins:maven-default-skin:jar:1.3 skin.
[INFO] 
[INFO] <<< pmd:3.20.0:check (pmd) < :pmd @ othello-core <<<
[INFO] 
[INFO] 
[INFO] --- pmd:3.20.0:check (pmd) @ othello-core ---
[INFO] PMD version: 6.55.0
[INFO] 
[INFO] 
[INFO] --- jacoco:0.8.8:prepare-agent (jacoco-initialize) @ othello-core ---
[INFO] surefireArgLine set to -javaagent:/var/lib/jenkins/.m2/repository/org/jacoco/org.jacoco.agent/0.8.8/org.jacoco.agent-0.8.8-runtime.jar=destfile=/var/lib/jenkins/home/jobs/othello/workspace/othello/othello-core/target/jacoco.exec
[INFO] 
[INFO] --- resources:3.3.0:resources (default-resources) @ othello-core ---
[INFO] Copying 1 resource
[INFO] 
[INFO] --- compiler:3.11.0:compile (default-compile) @ othello-core ---
[WARNING] Can't extract module name from gaming-core-1.0.1-SNAPSHOT.jar: Unsupported major.minor version 61.0
[INFO] Changes detected - recompiling the module! :source
[INFO] Compiling 32 source files with javac [debug release 11] to target/classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /var/lib/jenkins/home/jobs/othello/workspace/othello/othello-core/src/main/java/module-info.java:[22,39] module not found: de.fhdw.gaming.core
[INFO] 1 error
[INFO] -------------------------------------------------------------