add try catch in order to manage a close failure

src/main/java/org/gcube/datatransfer/resolver/services/StorageIDResolver.java

@@ -345,7 +345,11 @@ public class StorageIDResolver {
 		else {
 			if(!Objects.isNull(storageManagerClient)) {
 				LOG.debug("going to close an old storage-client instance");
-				storageManagerClient.forceClose();
+				try {
+					storageManagerClient.forceClose();
+				}catch(Exception e) {
+					LOG.warn("Some problem occurred during the close operation:"+e.getMessage()+" Going to open another connection");
+				}
 			}
 			LOG.debug("initializing a new storage-client instance");
 			storageManagerClient=new StorageClient(StorageIDResolver.class.getName(), StorageIDResolver.class.getSimpleName(), STORAGEID_RESOLVER, STORAGE_ACCESS_TYPE, memory, STORAGE_BACKEND_TYPE).getClient();