Goods.java @Getter @Setter public class Goods { private Integer id; private String url; private Integer groupId; private Integer sourceId; private Integer userId; private Date createTime; private Date updateTime; } G...
1. Use the springboot,maven project; logback is under resource, can I specify the location of the logback file at startup? Because I don t want to use the default file. similar:-Dserver.port=10080 can specify the same port, I think:-Dxxx.path=logback.x...
in a class @Configuration public class MyConfig{ @bean "d1 " Datasource getDataSource(){ DruidDataSource d1 = new DruidDataSource(); ... return d1; } } then in another class: @Configuration public class SecondC...
this problem is mainly related to the emergence of a large number of CLOSE_WAIT on the production server. In practice, the third-party interface is sometimes very slow, which is suspected to be related to it. In order to maintain the normal operation ...
screenshot of the article comes from: Spring-SpringMVC parent-son container & AOP uses summary link description ...
there is an one-to-many association in the model object used on the page: <form:form action="" commandName="form" method="post"> how do I set up one-to-many associated objects? for example, there are classes: pub...
recently, we have developed a session sharing program based on spring-session, which is based on redis and database storage session,. When redis crashes, sqlserver database storage session is enabled. Later, the leader said that customers may disable coo...
org.apache.catalina.connector.ClientAbortException: java.net.SocketException: Software caused connection abort: socket write error at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:370) at org.apache.catalina.connector.OutputBuffe...
the front end needs to access the resources that can only be viewed by partial login. Design flow: the front end encrypts the user name and password entered by the user, then sends the post request to the server the server compares the authentication ...
there are system An and system B. system An owns database An independently, and system B owns database B. system An and system B share a set of user information database, database C. Database C stores all the information about the user, such as name...
public Result save(QuartzBean quartz) { LOGGER.info(""); try { if (quartz.getOldJobGroup() != null) { JobKey key = new JobKey(quartz.getOldJobName(), quartz.getOldJobGroup()); schedule...
1 A bean has multiple constructors injected into the spring. How does spring know which constructor to use to new the object? ...
the following sql statement is known: select * from a left join b on a.id=b.id where a.x=1 and b.yroom2; this is a very common join table query in the db layer, but if the db layer does not allow the join table query operation, it can only be queri...
< H2 > scene < H2 > when using Cors for cross-domain login, everything is fine, but the client does not add SessionId ( Cookie inside), so it is not clear what happened. call js code: <!--cors --> <filter> <filter-name>cust...
___ _ __ _ _(_)_ __ __ _ ( ( ) ___ | _ | _| | _ _` | ___)| |_)| | | | | || (_| | ) ) ) ) |____| .__|_| |_|_| |_ __, | =========|_|==============|___ = _ _ _ :: Spring Boot :: ...
@Controller public class MyController { @Autowired MyService service; @RequestMapping(" test") @ResponseBody public String hello() { service.save(); return "h"; } } service...
1. Describe I used springboot to integrate swagger, and upload files at the same time. The code is as follows ( code function is fine, it has been tested ): @Api(value = "", description = "API") @RestController public class Up...
in the process of learning to use spring statemachine, we encounter such a requirement that the state of the state machine needs to be forcibly transformed to any state. Can it be achieved by using spring statemachine? ...
recently, I have been watching thymeleaf, to write some demo,. Today, I refer to Chestnut on the Internet to write a page to play . Here is my redundant code . <a th:href="@{ allExchInfo(start=${page.number}+1,size=${page.size})}" class=&q...
09:09:55.038 logback [RMI TCP Connection(9)-127.0.0.1] DEBUG s.d.s.r.o.SwaggerOperationResponseClassReader - Setting response class to:ServerResponse 09:09:55.040 logback [RMI TCP Connection(9)-127.0.0.1] DEBUG s.d.s.r.o.VendorExtensionsReader - Extensio...
problem description this is my first contact with the Scrapy framework. When crawling the data in the JSON file in Scrapy, using print detection found to be empty, do not know what is going on, please give advice! the environmental background of the...
indirect enum FormExpression { case float(Float) case reference(String,Int) case infix(FormExpression,String,FormExpression) case function(String,FormExpression) } extension FormExpression { static var floatParser:FormParser<FormExpres...
problem description I use the lnmp1.4 version to install the php development environment with one click. My system version is Ubuntu 18.04.1 LTS. . As long as I send the curl https request in the php5.x version, there will be a 502 error, but http wil...
as follows, it is the source code in the drawer of antd. The Consumer of DrawerContext in the code actually wraps the Provider,. Isn t it all Provider that wraps Consumer? how do you understand it? here ...
problem description recently, in the migration from vue to react, I found that react does not have a better way to handle the insertion of dynamic custom tags, while vue I can implement it by bringing my own component tag the environmental backgroun...