libelektra: Java: error message broken in KDBExceptions (Internal Sorry)

https://build.libelektra.org/jenkins/blue/organizations/jenkins/libelektra/detail/master/826/pipeline/422

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.0:compile (default-compile) on project libelektra4j: Execution default-compile of goal org.apache.maven.plugins:maven-compiler-plugin:3.6.0:compile failed: Plugin org.apache.maven.plugins:maven-compiler-plugin:3.6.0 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-compiler-plugin:jar:3.6.0 -> org.apache.maven:maven-plugin-api:jar:3.0 -> org.apache.maven:maven-artifact:jar:3.0: Failed to read artifact descriptor for org.apache.maven:maven-artifact:jar:3.0: Could not transfer artifact org.apache:apach[  8%] Built target elektra-filecheck-objects

e:pom:6 from/to central (https://repo.maven.apache.org/maven2): /home/jenkins/.m2/repository/org/apache/apache/6/apache-6.pom.part (No such file or directory) -> [Help 1]

[ERROR] 

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR] 

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException