review sonar findings
---------------------
Key: DELTASPIKE-48
URL: https://issues.apache.org/jira/browse/DELTASPIKE-48
Project: DeltaSpike
Issue Type: Task
Components: Core
Reporter: Gerhard Petracek
Assignee: Gerhard Petracek
see
https://analysis.apache.org/dashboard/index/org.apache.deltaspike:deltaspike-project
(we just have to fix the useful findings)
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