Added fix for error logging reported in sonar
Issue-ID: PORTAL-383
Change-Id: I1a73508da1c2d028ce9e8933def60c02b62482ff
Signed-off-by: Chandan Ghosh <cghosh12@in.ibm.com>
                        cal = new CronExpression(cronExpressionStr);
                } catch (ParseException e) {
                        // TODO Auto-generated catch block
-                       e.printStackTrace();
+                       logger.error(EELFLoggerDelegate.errorLogger, "fetchSessionSlotCheckInterval failed.", e);
                }
                final Date nowTime = Calendar.getInstance().getTime();
                Date nextTime = cal.getNextValidTimeAfter(nowTime);