Corrects the dot tracing

4 jobs for master in 23 minutes and 44 seconds (queued for 20 seconds)
Status Job ID Name Coverage
  Build
passed #600
jars-j8

00:00:31

passed #599
java8

00:11:57

 
  Test
passed #601
java7

00:11:02

failed #602
allowed to fail
java9

00:00:13

 
Name Stage Failure
failed
java9 Test There is an unknown failure, please try again
	at java.base/sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:86)
... 72 more
2630 [ERROR]
2630 [ERROR] Re-run Maven using the -X switch to enable full debug logging.
2630 [ERROR]
2631 [ERROR] For more information about the errors and possible solutions, please read the following articles:
2631 [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
2631 [ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException
ERROR: Job failed: exit code 1