Add FINE logging to help identify issuer mismatches

Author: krowvin

cwms-data-api/src/main/java/cwms/cda/security/OpenIdConnectIdentitityProvider.java

@@ -115,6 +115,10 @@ private DataApiPrincipal getUserFromToken(Context ctx) throws CwmsAuthException
                 throw new CwmsAuthException("Not Authorized",HttpServletResponse.SC_UNAUTHORIZED);
             }
         } catch (NumberFormatException | JwtException ex) {
+            log.atFine().withCause(ex).log(
+                "JWT validation failed for bearer token from issuer configuration '%s'",
+                System.getProperty(ISSUER_PROPERTY, System.getenv(ISSUER_PROPERTY))
+            );
             throw new CwmsAuthException("JWT not valid",ex,HttpServletResponse.SC_UNAUTHORIZED);
         }
     }