A page written by bootstrap: : : this is the background code: @PostMapping(value = "forgetPassword", produces = "application json;charset=utf-8") @ResponseBody public String forgetPassword(@RequestParam("email&quo...
< H2 > configuration file < H2 > rabbitmq-web < H2 > error log < H2 > java.net.SocketException: Socket Closed at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_171] at java.net.SocketInputStream.socketRead(SocketInputStr...
how does 1.zuul directly perform client-side load balancing in spring boot2 cloud? 2. Environment: spring boot 2 spring cloud,zuul do gateway 3. Want to implement: how can two same consumer producers ab,a have one more ResquestMapping, than b to acces...
when using @ CrossOrigin (origins= "* ") , there is a response header Access-Control-Allow-Origin: * . At this time, the front end setting withCredential will report an error Failed to load http: localhost:8080 test: Response to preflight request ...
1. I wanted to try spring mvc configuration without xml, but when I added @ EnableWebMvc to the java config class, the project failed to start. 2.HelloConfig: @Configuration @EnableWebMvc @ComponentScan public class HelloConfig implements WebMvcConf...
in a transactional method, by reading a collection of table records and cycling the values of update or save fields, the administrative account is updated every time an ordinary account is updated. so re-query the system account . @Transactional(rollba...
@Autowired private StringRedisTemplate stringRedisTemplate; @Resource(name="stringRedisTemplate") private ValueOperations<String,String> valOpsStr; @Autowired private RedisTemplate<Object, Object> redisTemplate; @Resource(name=&q...
there is a parameter in model. Can I still get it in the request field after redirect? I just want to ask, can I get this token in this request? why do I always get null ?...
defines a service:UserService where a method is defined as follows: @Transactional(propagation = Propagation.REQUIRES_NEW) public void saveException(User user){ userDao.save(user); throw new RuntimeException(""); } if I call this met...
when SpringBoot uploads batch files, the information of uploaded files is written, and the database is found to be duplicated. uses mybatis + mybatis-plus. service code as follows: public Boolean insertByEntity(SysPkFile entity) { System.out....
use @ Configuration to load the configuration file and cannot get the value defined in properties @Configuration @PropertySource(value = "classpath:jdbc.properties", encoding = "UTF-8") @ConfigurationProperties(prefix = "jdbc&q...
I use Dubbo+SpringBoot to build micro services controller and service belong to two services there are the following classes @RestController @RequestMapping("product") public class ProductController{ @Reference(version="1.0.0"...
Spring boot project has introduced a two-party package. Every time a class An in the two-party package is used, new A (), An itself is a normal class in the two-party package. There is no @ Component and other notes related to spring. If you want to ann...
before I didn t ask clearly, my entanglement point is more convenient to judge how to be equal to two Integer objects, because the former needs to judge null, . Integer a = null; Integer b = new Integer(128); System.out.print(Objects.equals(a,b)); nul...
the www.abc.com domain name is resolved on the server. It is configured in tomcat and can be transferred to the home page directly through the domain name. later asked that abc.com can also achieve input jump, what are the ways to achieve it. It doesn ...
what is happening now is that the database password in SpringBoot s configuration file application.yml contains special characters (roughly similar to @ $% WNB5m ), resulting in the following error: java.lang.IllegalStateException: Failed to load p...
has been doing the traditional business system, these days suddenly think of a question? Is the traditional business system if two users log in to the business system at the same time? If you modify a certain data in the system at the same time, will the...
springboot define an interface public interface HelloController { @RequestMapping(" hello") String hello(); } then implement @ RestController public class HelloControllerImpl implements HelloController { @Override public String hel...
does Spring: controller need to provide an interface like service, and then write an Impl class? ...
spring intercepts localhost:8080 1 to intercept my chat page, but not to the root directory. Go back to the default index page; there are several lines of log output in the console log 2018-06-04 15:46:03.601 INFO 15836 --- [ restartedMain] o.s.w.s...