}
 
        //Update Db
-       @PutMapping("")
+       @PutMapping("/{id}")
        @ResponseBody
        @ApiOperation(value="Update a database.")
-       public PostReturnBody<DbConfig> updateDb(@RequestBody DbConfig dbConfig, BindingResult result, HttpServletResponse response) throws IOException {
+       public PostReturnBody<DbConfig> updateDb(@PathVariable int id, @RequestBody DbConfig dbConfig, BindingResult result, HttpServletResponse response) throws IOException {
 
                if (result.hasErrors()) {
                        sendError(response, 400, "Error parsing DB: " + result.toString());
                        return null;
                }
 
-               Db oldDb = dbRepository.findById(dbConfig.getId()).get();
+               Db oldDb = dbRepository.findById(id).get();
                if (oldDb == null) {
                        sendError(response, 404, DB_NOT_FOUND + dbConfig.getName());
                        return null;
 
     
     public DbConfig getDbConfig() {
         DbConfig dbConfig = new DbConfig();
+        dbConfig.setId(1);
         dbConfig.setName("Elecsticsearch");
         dbConfig.setHost("localhost");
         dbConfig.setLogin("root");
         DbController dbController = new DbController();
         DbConfig dbConfig = getDbConfig();
         when(mockBindingResult.hasErrors()).thenReturn(true);
-        PostReturnBody<DbConfig> db = dbController.updateDb(dbConfig, mockBindingResult,
+        PostReturnBody<DbConfig> db = dbController.updateDb(dbConfig.getId(), dbConfig, mockBindingResult,
                                                             httpServletResponse);
         assertEquals(null, db);
         //when(mockBindingResult.hasErrors()).thenReturn(false);