Prevent crashing while instantiating if DataSource is null

service-map/src/main/java/fi/nls/oskari/service/capabilities/CapabilitiesCacheServiceMybatisImpl.java

@@ -22,7 +22,12 @@ public CapabilitiesCacheServiceMybatisImpl() {
     }
 
     public CapabilitiesCacheServiceMybatisImpl(DataSource ds) {
-        this.factory = MyBatisHelper.initMyBatis(ds, CapabilitiesMapper.class);
+        if (ds == null) {
+            LOG.warn("DataSource was null, all future calls will throw NPEs!");
+            factory = null;
+        } else {
+            factory = MyBatisHelper.initMyBatis(ds, CapabilitiesMapper.class);
+        }
     }
 
     private CapabilitiesMapper getMapper(SqlSession session) {