Fix sonar related to persistence-feature

Sonar blocker for catchable:
I am not sure why this is wrapped with an exception.
Changing try-catch to use Exception | LinkageError per Jorge/Ralph.

Sonar critical for logging exceptions.

Sonar critical for casting to Long and reinterrupting thread.

Change-Id: I44d46f005d9aa30c434c22e479034107055277ce
Issue-ID: POLICY-195
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
index a6f79374..b2b2df6d 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
@@ -998,6 +998,7 @@ class PolicyEngineManager implements PolicyEngine {
           Thread.sleep(5000L);
         } catch (final InterruptedException e) {
           logger.warn("{}: interrupted-exception while shutting down management server: ", this);
+          Thread.currentThread().interrupt();
         }
 
         System.exit(0);